io.github.cyanheads/federal-regulations-mcp-server

{
  "_meta": {
    "io.modelcontextprotocol.registry/official": {
      "status": "active",
      "isLatest": true,
      "updatedAt": "2026-11-13T16:44:52.122584Z",
      "publishedAt": "2026-11-13T16:44:52.122584Z",
      "statusChangedAt": "2026-11-13T16:44:52.122584Z"
    }
  },
  "server": {
    "name": "io.github.cyanheads/federal-regulations-mcp-server",
    "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
    "remotes": [
      {
        "url": "https://federal-regulations.caseyjhand.com/mcp",
        "type": "streamable-http"
      }
    ],
    "version": "0.6.2",
    "packages": [
      {
        "version": "0.6.2",
        "transport": {
          "type": "stdio"
        },
        "identifier": "@cyanheads/federal-regulations-mcp-server",
        "runtimeHint": "npx",
        "registryType": "npm",
        "registryBaseUrl": "https://registry.npmjs.org",
        "environmentVariables": [
          {
            "name": "REGULATIONS_GOV_API_KEY",
            "format": "string",
            "isSecret": true,
            "description": "api.data.gov key for the Regulations.gov tools (get_docket, find_comments). Free at https://api.data.gov/signup/. The Federal Register and eCFR tools work without it."
          },
          {
            "name": "REGULATIONS_RESOLVE_AGENCIES",
            "format": "boolean",
            "default": "true",
            "description": "Accept Federal Register agency names and acronyms alongside slugs. Set false for slug-only filters."
          },
          {
            "name": "REGULATIONS_CLAMP_LIMITS",
            "format": "boolean",
            "default": "true",
            "description": "Serve a per_page or max_chars above its ceiling at the ceiling, with a notice. Set false to advertise and enforce the ceiling as a schema maximum instead."
          },
          {
            "name": "MCP_LOG_LEVEL",
            "format": "string",
            "default": "info",
            "description": "Sets the minimum log level for output (e.g., 'debug', 'info', 'warn')."
          }
        ]
      },
      {
        "version": "0.6.2",
        "transport": {
          "url": "http://localhost:3010/mcp",
          "type": "streamable-http"
        },
        "identifier": "@cyanheads/federal-regulations-mcp-server",
        "runtimeHint": "npx",
        "registryType": "npm",
        "registryBaseUrl": "https://registry.npmjs.org",
        "environmentVariables": [
          {
            "name": "MCP_TRANSPORT_TYPE",
            "value": "http",
            "format": "string",
            "description": "Selects the HTTP transport."
          },
          {
            "name": "MCP_HTTP_HOST",
            "format": "string",
            "default": "127.0.0.1",
            "description": "The hostname for the HTTP server."
          },
          {
            "name": "MCP_HTTP_PORT",
            "format": "string",
            "default": "3010",
            "description": "The port to run the HTTP server on."
          },
          {
            "name": "MCP_HTTP_ENDPOINT_PATH",
            "format": "string",
            "default": "/mcp",
            "description": "The endpoint path for the MCP server."
          },
          {
            "name": "MCP_AUTH_MODE",
            "format": "string",
            "default": "none",
            "description": "Authentication mode to use: 'none', 'jwt', or 'oauth'."
          },
          {
            "name": "REGULATIONS_GOV_API_KEY",
            "format": "string",
            "isSecret": true,
            "description": "api.data.gov key for the Regulations.gov tools (get_docket, find_comments). Free at https://api.data.gov/signup/. The Federal Register and eCFR tools work without it."
          },
          {
            "name": "ECFR_MIRROR_REFRESH_CRON",
            "format": "string",
            "description": "Cron expression for an in-process eCFR mirror refresh (e.g. '0 4 * * 0'). Unset registers no job. Each run re-harvests every configured title in full, and a tick is skipped until mirror:init has completed once."
          },
          {
            "name": "REGULATIONS_RESOLVE_AGENCIES",
            "format": "boolean",
            "default": "true",
            "description": "Accept Federal Register agency names and acronyms alongside slugs. Set false for slug-only filters."
          },
          {
            "name": "REGULATIONS_CLAMP_LIMITS",
            "format": "boolean",
            "default": "true",
            "description": "Serve a per_page or max_chars above its ceiling at the ceiling, with a notice. Set false to advertise and enforce the ceiling as a schema maximum instead."
          },
          {
            "name": "MCP_LOG_LEVEL",
            "format": "string",
            "default": "info",
            "description": "Sets the minimum log level for output (e.g., 'debug', 'info', 'warn')."
          }
        ]
      }
    ],
    "repository": {
      "url": "https://github.com/cyanheads/federal-regulations-mcp-server",
      "source": "github"
    },
    "description": "Search and trace US federal rules across the Federal Register, eCFR, and Regulations.gov."
  }
}