71 lines
2.5 KiB
Markdown
71 lines
2.5 KiB
Markdown
# Generic Registry API Specification
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A standardized RESTful HTTP API for MCP registries to provide consistent endpoints for discovering and retrieving MCP servers.
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Also see:
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- For guidance consuming the API, see the [consuming guide](../../guides/consuming/use-rest-api.md).
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## Browse the Complete API Specification
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**📋 View the full API specification interactively**: Open [openapi.yaml](./openapi.yaml) in an OpenAPI viewer like [Stoplight Elements](https://elements-demo.stoplight.io/?spec=https://raw.githubusercontent.com/modelcontextprotocol/registry/refs/heads/main/docs/reference/api/openapi.yaml).
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The official registry has some more endpoints and restrictions on top of this. See the [official registry API spec](./official-registry-api.md) for details.
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## Quick Reference
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### Core Endpoints
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- **`GET /v0/servers`** - List all servers with pagination
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- **`GET /v0/servers/{serverName}`** - Get latest version of server by server name (URL-encoded)
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- **`GET /v0/servers/{serverName}/versions/{version}`** - Get specific version of server (both parameters should be URL-encoded)
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- **`GET /v0/servers/{serverName}/versions`** - List all versions of a server
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- **`POST /v0/publish`** - Publish new server (optional, registry-specific authentication)
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### Authentication
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- **Read operations**: No authentication required
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- **Write operations**: Registry-specific authentication (if supported)
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### Content Type
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All requests and responses use `application/json`
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### Pagination
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List endpoints use cursor-based pagination for efficient, stable results.
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#### Usage
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1. **Initial request**: Omit the `cursor` parameter
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2. **Subsequent requests**: Use the `nextCursor` value from the previous response
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3. **End of results**: When `nextCursor` is null or empty, there are no more results
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**Important**: Always treat cursors as opaque strings. Never manually construct or modify cursor values.
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### Basic Example: List Servers
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```bash
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curl https://registry.example.com/v0/servers?limit=10
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```
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```json
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{
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"servers": [
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{
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"server": {
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"name": "io.modelcontextprotocol/filesystem",
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"description": "Filesystem operations server",
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"version": "1.0.2"
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},
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"_meta": {
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"io.modelcontextprotocol.registry/official": {
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"status": "active",
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"publishedAt": "2025-01-01T10:30:00Z",
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"isLatest": true
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}
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}
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}
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],
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"metadata": {
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"count": 10,
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"nextCursor": "com.example/my-server:1.0.0"
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}
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}
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```
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For complete endpoint documentation, view the OpenAPI specification in a schema viewer.
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