# Server JSON Examples ## Basic Server with NPM Package ```json { "name": "io.modelcontextprotocol/brave-search", "description": "MCP server for Brave Search API integration", "repository": { "url": "https://github.com/modelcontextprotocol/servers", "source": "github", "id": "abc123de-f456-7890-ghij-klmnopqrstuv" }, "version_detail": { "version": "1.0.2", "release_date": "2023-06-15T10:30:00Z" }, "packages": [ { "registry_name": "npm", "name": "@modelcontextprotocol/server-brave-search", "version": "1.0.2", "environment_variables": [ { "name": "BRAVE_API_KEY", "description": "Brave Search API Key", "is_required": true, "is_secret": true } ] } ] } ``` ## Filesystem Server with Multiple Packages ```json { "name": "io.modelcontextprotocol/filesystem", "description": "Node.js server implementing Model Context Protocol (MCP) for filesystem operations.", "repository": { "url": "https://github.com/modelcontextprotocol/servers", "source": "github", "id": "b94b5f7e-c7c6-d760-2c78-a5e9b8a5b8c9" }, "version_detail": { "version": "1.0.2", "release_date": "2023-06-15T10:30:00Z" }, "packages": [ { "registry_name": "npm", "name": "@modelcontextprotocol/server-filesystem", "version": "1.0.2", "package_arguments": [ { "type": "positional", "value_hint": "target_dir", "description": "Path to access", "default": "/Users/username/Desktop", "is_required": true, "is_repeated": true } ], "environment_variables": [ { "name": "LOG_LEVEL", "description": "Logging level (debug, info, warn, error)", "default": "info" } ] }, { "registry_name": "docker", "name": "mcp/filesystem", "version": "1.0.2", "runtime_arguments": [ { "type": "named", "description": "Mount a volume into the container", "name": "--mount", "value": "type=bind,src={source_path},dst={target_path}", "is_required": true, "is_repeated": true, "variables": { "source_path": { "description": "Source path on host", "format": "filepath", "is_required": true }, "target_path": { "description": "Path to mount in the container. It should be rooted in `/project` directory.", "is_required": true, "default": "/project" } } } ], "package_arguments": [ { "type": "positional", "value_hint": "target_dir", "value": "/project" } ], "environment_variables": [ { "name": "LOG_LEVEL", "description": "Logging level (debug, info, warn, error)", "default": "info" } ] } ] } ``` ## Remote Server Example ```json { "name": "Remote Filesystem Server", "description": "Cloud-hosted MCP filesystem server", "repository": { "url": "https://github.com/example/remote-fs", "source": "github", "id": "xyz789ab-cdef-0123-4567-890ghijklmno" }, "version_detail": { "version": "2.0.0", "release_date": "2024-01-20T14:30:00Z" }, "remotes": [ { "transport_type": "sse", "url": "https://mcp-fs.example.com/sse" } ] } ``` ## Python Package Example ```json { "name": "weather-mcp-server", "description": "Python MCP server for weather data access", "repository": { "url": "https://github.com/example/weather-mcp", "source": "github", "id": "def456gh-ijkl-7890-mnop-qrstuvwxyz12" }, "version_detail": { "version": "0.5.0", "release_date": "2024-02-10T09:15:00Z" }, "packages": [ { "registry_name": "pypi", "name": "weather-mcp-server", "version": "0.5.0", "runtime_hint": "uvx", "environment_variables": [ { "name": "WEATHER_API_KEY", "description": "API key for weather service", "is_required": true, "is_secret": true }, { "name": "WEATHER_UNITS", "description": "Temperature units (celsius, fahrenheit)", "default": "celsius" } ] } ] } ``` ## Complex Docker Server with Multiple Arguments ```json { "name": "mcp-database-manager", "description": "MCP server for database operations with support for multiple database types", "repository": { "url": "https://github.com/example/mcp-database", "source": "gitlab", "id": "ghi789jk-lmno-1234-pqrs-tuvwxyz56789" }, "version_detail": { "version": "3.1.0", "release_date": "2024-03-05T16:45:00Z" }, "packages": [ { "registry_name": "docker", "name": "mcp/database-manager", "version": "3.1.0", "runtime_arguments": [ { "type": "named", "name": "--network", "value": "host", "description": "Use host network mode" }, { "type": "named", "name": "-e", "value": "DB_TYPE={db_type}", "description": "Database type to connect to", "is_repeated": true, "variables": { "db_type": { "description": "Type of database", "choices": ["postgres", "mysql", "mongodb", "redis"], "is_required": true } } } ], "package_arguments": [ { "type": "named", "name": "--host", "description": "Database host", "default": "localhost", "is_required": true }, { "type": "named", "name": "--port", "description": "Database port", "format": "number" }, { "type": "positional", "value_hint": "database_name", "description": "Name of the database to connect to", "is_required": true } ], "environment_variables": [ { "name": "DB_USERNAME", "description": "Database username", "is_required": true }, { "name": "DB_PASSWORD", "description": "Database password", "is_required": true, "is_secret": true }, { "name": "SSL_MODE", "description": "SSL connection mode", "default": "prefer", "choices": ["disable", "prefer", "require"] } ] } ] } ``` ## Server with Remote and Package Options ```json { "name": "hybrid-mcp-server", "description": "MCP server available as both local package and remote service", "repository": { "url": "https://github.com/example/hybrid-mcp", "source": "github", "id": "klm012no-pqrs-3456-tuvw-xyz789abcdef" }, "version_detail": { "version": "1.5.0", "release_date": "2024-04-01T12:00:00Z" }, "packages": [ { "registry_name": "npm", "name": "@example/hybrid-mcp-server", "version": "1.5.0", "runtime_hint": "npx", "package_arguments": [ { "type": "named", "name": "--mode", "description": "Operation mode", "default": "local", "choices": ["local", "cached", "proxy"] } ] } ], "remotes": [ { "transport_type": "sse", "url": "https://hybrid-mcp.example.com/sse", "headers": [ { "name": "X-API-Key", "description": "API key for authentication", "is_required": true, "is_secret": true }, { "name": "X-Region", "description": "Service region", "default": "us-east-1", "choices": ["us-east-1", "eu-west-1", "ap-southeast-1"] } ] }, { "transport_type": "streamable", "url": "https://hybrid-mcp.example.com/stream" } ] } ```