e0aecadc24Updates the registry type for all Docker Hub packages in the seed data from `docker-hub` to `oci` to align with the standardized OCI registry format. This change affects the `registry_type` field and simplifies the `identifier` field by removing the full Docker Hub URL prefix. Changes: - Updated `registry_type` from `docker-hub` to `oci` for all Docker packages - Simplified `identifier` field to use just the repository name/path instead of full URLs - Maintained `registry_base_url` as `https://docker.io` for all entries This refactoring improves consistency and aligns with OCI standards while maintaining backward compatibility through the registry base URL.
565 lines
19 KiB
YAML
565 lines
19 KiB
YAML
openapi: 3.1.0
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jsonSchemaDialect: "https://json-schema.org/draft/2020-12/schema"
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$id: https://modelcontextprotocol.io/schemas/draft/2025-07-09/server-registry-openapi
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info:
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title: MCP Server Registry API
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version: "2025-07-09"
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summary: API for discovering and accessing MCP server metadata
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description: |
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Specification for a theoretical REST API that serves up metadata about MCP servers.
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license:
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name: MIT
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identifier: MIT
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paths:
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/servers:
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get:
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summary: List MCP servers
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description: Returns a list of all registered MCP servers
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parameters:
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- name: cursor
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in: query
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description: Pagination cursor for retrieving next set of results
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required: false
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schema:
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type: string
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- name: limit
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in: query
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description: Maximum number of items to return
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required: false
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schema:
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type: integer
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responses:
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'200':
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description: A list of MCP servers
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content:
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application/json:
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schema:
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$ref: '#/components/schemas/ServerList'
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/servers/{id}:
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get:
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summary: Get MCP server details
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description: Returns detailed information about a specific MCP server
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parameters:
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- name: id
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in: path
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required: true
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description: Unique ID of the server
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schema:
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type: string
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format: uuid
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- name: version
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in: query
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description: Desired MCP server version
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schema:
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type: string
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responses:
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'200':
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description: Detailed server information
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content:
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application/json:
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schema:
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$ref: '#/components/schemas/ServerResponse'
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'404':
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description: Server not found
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content:
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application/json:
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schema:
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type: object
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properties:
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error:
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type: string
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example: "Server not found"
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/publish:
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post:
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summary: Publish MCP server
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description: Publish a new MCP server to the registry or update an existing one
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security:
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- bearerAuth: []
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requestBody:
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required: true
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content:
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application/json:
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schema:
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$ref: '#/components/schemas/PublishRequest'
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examples:
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basic_server:
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summary: Basic server with NPM package
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value:
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server:
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name: "io.modelcontextprotocol/filesystem"
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description: "Node.js server implementing Model Context Protocol (MCP) for filesystem operations."
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status: "active"
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repository:
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url: "https://github.com/modelcontextprotocol/servers"
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source: "github"
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version_detail:
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version: "1.0.2"
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packages:
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- registry_type: "npm"
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registry_base_url: "https://registry.npmjs.org"
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identifier: "@modelcontextprotocol/server-filesystem"
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version: "1.0.2"
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x-publisher:
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tool: "publisher-cli"
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version: "1.2.3"
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build_info:
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commit: "abc123def456"
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timestamp: "2023-12-01T10:30:00Z"
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example_org_server:
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summary: Server with example.com organization extensions
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value:
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server:
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name: "com.example/demo-server"
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description: "Example MCP server demonstrating publisher extensions."
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status: "active"
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repository:
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url: "https://github.com/example/mcp-demo"
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source: "github"
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version_detail:
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version: "1.0.0"
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packages:
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- registry_type: "npm"
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registry_base_url: "https://registry.npmjs.org"
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identifier: "@example/mcp-demo-server"
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version: "1.0.0"
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x-publisher:
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contact_email: "maintainer@example.com"
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build_metadata:
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commit: "abc123"
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timestamp: "2024-01-15T10:30:00Z"
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x-com.example:
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marketplace_icon: "https://example.com/icon.png"
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category: ["software_development"]
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documentation_url: "https://docs.example.org"
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verified_publisher: true
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responses:
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'200':
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description: Successfully published server
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content:
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application/json:
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schema:
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$ref: '#/components/schemas/ServerResponse'
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'401':
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description: Unauthorized - Invalid or missing authentication token
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content:
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application/json:
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schema:
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type: object
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properties:
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error:
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type: string
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example: "Invalid or expired Registry JWT token"
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'403':
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description: Forbidden - Insufficient permissions
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content:
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application/json:
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schema:
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type: object
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properties:
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error:
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type: string
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example: "You do not have permission to publish this server"
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'500':
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description: Internal server error
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content:
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application/json:
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schema:
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type: object
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properties:
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error:
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type: string
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example: "Failed to publish server"
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components:
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securitySchemes:
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bearerAuth:
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type: http
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scheme: bearer
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bearerFormat: JWT
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description: Registry JWT token. Convention is that this can be obtained from a `/v0/auth/` endpoint.
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schemas:
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Repository:
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type: object
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required:
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- url
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- source
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- id
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properties:
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url:
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type: string
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format: uri
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example: "https://github.com/modelcontextprotocol/servers"
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source:
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type: string
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example: "github"
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id:
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type: string
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example: "b94b5f7e-c7c6-d760-2c78-a5e9b8a5b8c9"
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Server:
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type: object
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required:
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- name
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- description
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- version_detail
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properties:
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id:
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type: string
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format: uuid
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example: "123e4567-e89b-12d3-a456-426614174000"
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name:
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type: string
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description: "Reverse DNS name of the MCP server"
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example: "io.github.modelcontextprotocol/filesystem"
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description:
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type: string
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description: "Human-readable description of the server's functionality"
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example: "Node.js server implementing Model Context Protocol (MCP) for filesystem operations."
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status:
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type: string
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enum: [active, deprecated]
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default: active
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description: "Server lifecycle status. 'deprecated' indicates the server is no longer recommended for new usage."
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example: "active"
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repository:
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$ref: '#/components/schemas/Repository'
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version_detail:
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$ref: '#/components/schemas/VersionDetail'
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created_at:
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type: string
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format: date-time
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updated_at:
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type: string
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format: date-time
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VersionDetail:
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type: object
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required:
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- version
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- release_date
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- is_latest
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properties:
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version:
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type: string
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example: "1.0.2"
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description: Equivalent of Implementation.version in MCP specification.
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release_date:
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type: string
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format: date-time
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example: "2023-06-15T10:30:00Z"
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description: Datetime that the MCP server version was published to the registry.
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is_latest:
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type: boolean
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example: true
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description: Whether the MCP server version is the latest version available in the registry.
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ServerList:
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type: object
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required:
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- servers
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properties:
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servers:
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type: array
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items:
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$ref: '#/components/schemas/ServerResponse'
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metadata:
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type: object
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properties:
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next_cursor:
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type: string
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description: Cursor for next page of results
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count:
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type: integer
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description: Number of items in current page
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example: 30
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Package:
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type: object
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properties:
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registry_type:
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type: string
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description: Registry type indicating how to download packages (e.g., 'npm', 'pypi', 'oci', 'nuget', 'mcpb')
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examples:
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- "npm"
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- "pypi"
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- "oci"
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- "nuget"
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- "mcpb"
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registry_base_url:
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type: string
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format: uri
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description: Base URL of the package registry
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examples:
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- "https://registry.npmjs.org"
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- "https://pypi.org"
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- "https://docker.io"
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- "https://api.nuget.org"
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- "https://github.com"
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- "https://gitlab.com"
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identifier:
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type: string
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description: Package identifier - either a package name (for registries) or URL (for direct downloads)
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examples:
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- "@modelcontextprotocol/server-brave-search"
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- "https://github.com/example/releases/download/v1.0.0/package.mcpb"
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version:
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type: string
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description: Package version
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example: "1.0.2"
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file_sha256:
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type: string
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description: SHA-256 hash of the package file for integrity verification.
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example: "fe333e598595000ae021bd27117db32ec69af6987f507ba7a63c90638ff633ce"
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runtime_hint:
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type: string
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description: A hint to help clients determine the appropriate runtime for the package. This field should be provided when `runtime_arguments` are present.
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examples: [npx, uvx, dnx]
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runtime_arguments:
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type: array
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description: A list of arguments to be passed to the package's runtime command (such as docker or npx). The `runtime_hint` field should be provided when `runtime_arguments` are present.
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items:
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$ref: '#/components/schemas/Argument'
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package_arguments:
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type: array
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description: A list of arguments to be passed to the package's binary.
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items:
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$ref: '#/components/schemas/Argument'
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environment_variables:
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type: array
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description: A mapping of environment variables to be set when running the package.
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items:
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$ref: '#/components/schemas/KeyValueInput'
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Input:
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type: object
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properties:
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description:
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description: A description of the input, which clients can use to provide context to the user.
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type: string
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is_required:
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type: boolean
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default: false
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format:
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type: string
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description: |
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Specifies the input format. Supported values include `filepath`, which should be interpreted as a file on the user's filesystem.
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When the input is converted to a string, booleans should be represented by the strings "true" and "false", and numbers should be represented as decimal values.
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enum: [string, number, boolean, filepath]
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default: string
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value:
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type: string
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description: |
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The default value for the input. If this is not set, the user may be prompted to provide a value. If a value is set, it should not be configurable by end users.
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Identifiers wrapped in `{curly_braces}` will be replaced with the corresponding properties from the input `variables` map. If an identifier in braces is not found in `variables`, or if `variables` is not provided, the `{curly_braces}` substring should remain unchanged.
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is_secret:
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type: boolean
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description: Indicates whether the input is a secret value (e.g., password, token). If true, clients should handle the value securely.
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default: false
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default:
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|
type: string
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description: The default value for the input.
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choices:
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|
type: array
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|
description: A list of possible values for the input. If provided, the user must select one of these values.
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items:
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type: string
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example: []
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InputWithVariables:
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allOf:
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- $ref: '#/components/schemas/Input'
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- type: object
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properties:
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variables:
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type: object
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description: A map of variable names to their values. Keys in the input `value` that are wrapped in `{curly_braces}` will be replaced with the corresponding variable values.
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additionalProperties:
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$ref: '#/components/schemas/Input'
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PositionalArgument:
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description: A positional input is a value inserted verbatim into the command line.
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allOf:
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- $ref: '#/components/schemas/InputWithVariables'
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- type: object
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required:
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- type
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properties:
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type:
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type: string
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enum: [positional]
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example: "positional"
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value_hint:
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type: string
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description: An identifier-like hint for the value. This is not part of the command line, but can be used by client configuration and to provide hints to users.
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example: file_path
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is_repeated:
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type: boolean
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description: Whether the argument can be repeated multiple times in the command line.
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default: false
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anyOf:
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- required:
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- value
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- required:
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- value_hint
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NamedArgument:
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description: A command-line `--flag={value}`.
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allOf:
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- $ref: '#/components/schemas/InputWithVariables'
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- type: object
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required:
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- type
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- name
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properties:
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type:
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type: string
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enum: [named]
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|
example: "named"
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name:
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type: string
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description: The flag name, including any leading dashes.
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example: "--port"
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is_repeated:
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type: boolean
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description: Whether the argument can be repeated multiple times.
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default: false
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KeyValueInput:
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allOf:
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- $ref: '#/components/schemas/InputWithVariables'
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- type: object
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required:
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- name
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properties:
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name:
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type: string
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description: Name of the header or environment variable.
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example: SOME_VARIABLE
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Argument:
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anyOf:
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- $ref: '#/components/schemas/PositionalArgument'
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- $ref: '#/components/schemas/NamedArgument'
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Remote:
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type: object
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required:
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- transport_type
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- url
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properties:
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transport_type:
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type: string
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enum: [streamable, sse]
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description: Transport protocol type
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example: "sse"
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url:
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type: string
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format: uri
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|
description: Remote server URL
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|
example: "https://mcp-fs.example.com/sse"
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headers:
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type: array
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description: HTTP headers to include
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items:
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$ref: '#/components/schemas/KeyValueInput'
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ServerDetail:
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description: Schema for a static representation of an MCP server. Used in various contexts related to discovery, installation, and configuration.
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allOf:
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- $ref: '#/components/schemas/Server'
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- type: object
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properties:
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$schema:
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type: string
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format: uri
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|
description: JSON Schema URI for this server.json format
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|
example: "https://static.modelcontextprotocol.io/schemas/2025-07-09/server.schema.json"
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packages:
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type: array
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items:
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$ref: '#/components/schemas/Package'
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remotes:
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type: array
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items:
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$ref: '#/components/schemas/Remote'
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ServerResponse:
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|
description: API response format for MCP servers, including registry metadata and publisher extensions
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type: object
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required:
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- server
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- x-io.modelcontextprotocol.registry
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properties:
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server:
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$ref: '#/components/schemas/ServerDetail'
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description: The core MCP server specification
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|
x-io.modelcontextprotocol.registry:
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|
type: object
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|
description: Registry-specific metadata managed by the MCP registry system
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|
required:
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- id
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- published_at
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- updated_at
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- is_latest
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properties:
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id:
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type: string
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format: uuid
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description: Unique registry identifier for this server entry
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example: "550e8400-e29b-41d4-a716-446655440000"
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published_at:
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type: string
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format: date-time
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|
description: Timestamp when the server was first published to the registry
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example: "2023-12-01T10:30:00Z"
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updated_at:
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type: string
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format: date-time
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|
description: Timestamp when the server entry was last updated
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example: "2023-12-01T11:00:00Z"
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is_latest:
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type: boolean
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description: Whether this is the latest version of the server
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|
example: true
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release_date:
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type: string
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format: date-time
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|
description: Release date of the server version
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|
example: "2023-12-01T10:30:00Z"
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additionalProperties: false
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x-publisher:
|
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type: object
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|
description: Publisher-specific metadata and build information attached during publishing
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|
additionalProperties: true
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|
example:
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|
tool: "publisher-cli"
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version: "1.2.3"
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build_info:
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|
commit: "abc123def456"
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timestamp: "2023-12-01T10:30:00Z"
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pipeline_id: "build-789"
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additionalProperties: false
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|
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PublishRequest:
|
|
description: Request format for publishing MCP servers to the registry
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type: object
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|
required:
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- server
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properties:
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|
server:
|
|
$ref: '#/components/schemas/ServerDetail'
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description: The MCP server specification to publish
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|
x-publisher:
|
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type: object
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|
description: Publisher-specific metadata and build information
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|
additionalProperties: true
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|
example:
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tool: "publisher-cli"
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version: "1.2.3"
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build_info:
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commit: "abc123def456"
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|
timestamp: "2023-12-01T10:30:00Z"
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|
pipeline_id: "build-789"
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|
additionalProperties: false
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