Koskamo

Zovo Federal Register Digest MCP

A community MCP server that allows agents to watch terms, agencies, and CFR references, group documents by type and agency, and download regulatory digests, workbooks, and deadline calendars from the Federal Register.

Visit Zovo

Endpoint and access

No sign-in to connect and list tools. Individual tools may still need a vendor account, credentials, or permissions; check the documented prerequisites.

Zovo Federal Register Digest MCP logo, by ZovoCommunity listingStreamable HTTPNo sign-inEndpoint checked 2026-11-01Published by Zovo
MCP endpoint (Streamable HTTP)
https://fed-register.zovo.one/mcp
Vendor documentation

What you can do with it

  • Watch terms, agencies and CFR references
  • Group documents by type and agency
  • Download a workbook, calendar and CSV

Source and maintenance

Community listingRegistry 1.0.0
mcp-registry: io.github.theluckystrike/fed-register@1.0.0Project website

Protocol and capabilities

Server
fed-register 1.0.0
MCP protocol
2025-06-18
Tools
2 advertised
Resources
1 advertised
Resource templates
1 advertised
Prompts
Not advertised
Server-advertised capabilities
{
  "tools": {
    "listChanged": true
  },
  "resources": {
    "listChanged": true
  }
}

Server-provided instructions

Untrusted server output shown for inspection. It is not Koskamo guidance and is excluded from knowledge search.

Search public federal documents or look up document numbers. Report per-watch or per-number errors alongside successful data. Include expiring file links and source retrieval times.

Tools

2 advertised

find_federal_register_documents — Find federal documents
Advertised by the server during the last successful anonymous check.
Advertised read-onlyOpen-world

Use this when the user wants federal register search, federal register this week, or proposed rules comment deadline tracking. Query up to five watches for documents from 1994 onward, with at most 500 matches per watch and 1,500 rows, and download XLSX, ICS and CSV. Do not use for state registers or legal advice.

find_federal_register_documents input schema
{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "watches"
  ],
  "properties": {
    "types": {
      "type": "array",
      "items": {
        "type": "string",
        "maxLength": 20,
        "description": "Document type code, e.g. PRORULE."
      },
      "maxItems": 4,
      "minItems": 1,
      "description": "Types: RULE, PRORULE, NOTICE, PRESDOCU; e.g. [\"RULE\",\"PRORULE\"], the default."
    },
    "date_to": {
      "type": "string",
      "maxLength": 10,
      "description": "Last date inclusive, e.g. 2026-10-18. Defaults to today for publication, thirty days ahead for other bases."
    },
    "watches": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "term": {
            "type": "string",
            "maxLength": 200,
            "minLength": 2,
            "description": "Search expression, e.g. overtime."
          },
          "label": {
            "type": "string",
            "maxLength": 40,
            "description": "Watch label, e.g. Overtime."
          },
          "agencies": {
            "type": "array",
            "items": {
              "type": "string",
              "maxLength": 200,
              "description": "Agency name, slug or abbreviation, e.g. EPA."
            },
            "maxItems": 5,
            "description": "Up to five agencies, e.g. [\"EPA\",\"OSHA\"]."
          },
          "cfr_part": {
            "type": "string",
            "pattern": "^[0-9A-Za-z.-]+$",
            "maxLength": 10,
            "minLength": 1,
            "description": "CFR part with a title, e.g. 541."
          },
          "cfr_title": {
            "type": "integer",
            "maximum": 50,
            "minimum": 1,
            "description": "CFR title, e.g. 29."
          }
        }
      },
      "maxItems": 5,
      "minItems": 1,
      "description": "One to five watches, e.g. [{\"label\":\"Overtime\",\"term\":\"overtime\",\"agencies\":[\"DOL\"]}]. An empty object matches the window."
    },
    "date_from": {
      "type": "string",
      "maxLength": 10,
      "description": "First date inclusive, e.g. 2026-10-12. Defaults to six days before today for publication, today for other bases."
    },
    "date_basis": {
      "enum": [
        "publication",
        "comment_close",
        "effective"
      ],
      "type": "string",
      "description": "Which date to search, e.g. publication (default)."
    },
    "significant_only": {
      "type": "boolean",
      "description": "Limit to significant documents, e.g. false (default)."
    }
  }
}
find_federal_register_documents output schema
{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "window",
    "today",
    "row_count",
    "totals",
    "watches",
    "items",
    "preview",
    "upcoming",
    "past_dates_omitted",
    "capped",
    "downloads",
    "source"
  ],
  "properties": {
    "items": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "number",
          "error"
        ],
        "properties": {
          "error": {
            "type": [
              "string",
              "null"
            ]
          },
          "number": {
            "type": "string"
          }
        },
        "additionalProperties": false
      }
    },
    "today": {
      "type": "string"
    },
    "capped": {
      "type": "boolean"
    },
    "source": {
      "type": "string"
    },
    "totals": {
      "type": "object",
      "propertyNames": {
        "type": "string"
      },
      "additionalProperties": {
        "type": "number"
      }
    },
    "window": {
      "type": "object",
      "required": [
        "basis",
        "from",
        "to"
      ],
      "properties": {
        "to": {
          "type": "string"
        },
        "from": {
          "type": "string"
        },
        "basis": {
          "type": "string"
        }
      },
      "additionalProperties": false
    },
    "preview": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "type",
          "agency",
          "number",
          "title",
          "publication",
          "comment",
          "days_left",
          "effective"
        ],
        "properties": {
          "type": {
            "type": "string"
          },
          "title": {
            "type": "string"
          },
          "agency": {
            "type": "string"
          },
          "number": {
            "type": "string"
          },
          "comment": {
            "type": "string"
          },
          "days_left": {
            "type": [
              "number",
              "null"
            ]
          },
          "effective": {
            "type": "string"
          },
          "publication": {
            "type": "string"
          }
        },
        "additionalProperties": false
      }
    },
    "watches": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "label",
          "found",
          "shown",
          "truncated",
          "error"
        ],
        "properties": {
          "error": {
            "type": [
              "string",
              "null"
            ]
          },
          "found": {
            "type": "number"
          },
          "label": {
            "type": "string"
          },
          "shown": {
            "type": "number"
          },
          "truncated": {
            "type": "boolean"
          }
        },
        "additionalProperties": false
      }
    },
    "upcoming": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "date",
          "kind",
          "days_left",
          "agency",
          "number",
          "title"
        ],
        "properties": {
          "date": {
            "type": "string"
          },
          "kind": {
            "type": "string"
          },
          "title": {
            "type": "string"
          },
          "agency": {
            "type": "string"
          },
          "number": {
            "type": "string"
          },
          "days_left": {
            "type": "number"
          }
        },
        "additionalProperties": false
      }
    },
    "downloads": {
      "type": "object",
      "required": [
        "xlsx",
        "ics",
        "csv"
      ],
      "properties": {
        "csv": {
          "type": "string"
        },
        "ics": {
          "type": "string"
        },
        "xlsx": {
          "type": "string"
        }
      },
      "additionalProperties": false
    },
    "row_count": {
      "type": "number"
    },
    "past_dates_omitted": {
      "type": "number"
    }
  },
  "additionalProperties": false
}
find_federal_register_documents annotations
{
  "title": "Find federal documents",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": false
}
show_federal_register_documents — Show federal documents
Advertised by the server during the last successful anonymous check.
Advertised read-onlyOpen-world

Use this when the user wants a regulatory digest, final rules effective date, or federal register comment period for known document numbers. Look up one to fifty numbers and download XLSX, ICS and CSV with published dates. Do not use for unpublished agency guidance or legal advice.

show_federal_register_documents input schema
{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "document_numbers"
  ],
  "properties": {
    "document_numbers": {
      "type": "array",
      "items": {
        "type": "string",
        "maxLength": 200,
        "description": "Document number, e.g. 2026-21240."
      },
      "maxItems": 50,
      "minItems": 1,
      "description": "One to fifty numbers, e.g. [\"2026-21240\",\"2026-21253\"]. Invalid or missing numbers are reported per item."
    }
  }
}
show_federal_register_documents output schema
{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "window",
    "today",
    "row_count",
    "totals",
    "watches",
    "items",
    "preview",
    "upcoming",
    "past_dates_omitted",
    "capped",
    "downloads",
    "source"
  ],
  "properties": {
    "items": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "number",
          "error"
        ],
        "properties": {
          "error": {
            "type": [
              "string",
              "null"
            ]
          },
          "number": {
            "type": "string"
          }
        },
        "additionalProperties": false
      }
    },
    "today": {
      "type": "string"
    },
    "capped": {
      "type": "boolean"
    },
    "source": {
      "type": "string"
    },
    "totals": {
      "type": "object",
      "propertyNames": {
        "type": "string"
      },
      "additionalProperties": {
        "type": "number"
      }
    },
    "window": {
      "type": "object",
      "required": [
        "basis",
        "from",
        "to"
      ],
      "properties": {
        "to": {
          "type": "string"
        },
        "from": {
          "type": "string"
        },
        "basis": {
          "type": "string"
        }
      },
      "additionalProperties": false
    },
    "preview": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "type",
          "agency",
          "number",
          "title",
          "publication",
          "comment",
          "days_left",
          "effective"
        ],
        "properties": {
          "type": {
            "type": "string"
          },
          "title": {
            "type": "string"
          },
          "agency": {
            "type": "string"
          },
          "number": {
            "type": "string"
          },
          "comment": {
            "type": "string"
          },
          "days_left": {
            "type": [
              "number",
              "null"
            ]
          },
          "effective": {
            "type": "string"
          },
          "publication": {
            "type": "string"
          }
        },
        "additionalProperties": false
      }
    },
    "watches": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "label",
          "found",
          "shown",
          "truncated",
          "error"
        ],
        "properties": {
          "error": {
            "type": [
              "string",
              "null"
            ]
          },
          "found": {
            "type": "number"
          },
          "label": {
            "type": "string"
          },
          "shown": {
            "type": "number"
          },
          "truncated": {
            "type": "boolean"
          }
        },
        "additionalProperties": false
      }
    },
    "upcoming": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "date",
          "kind",
          "days_left",
          "agency",
          "number",
          "title"
        ],
        "properties": {
          "date": {
            "type": "string"
          },
          "kind": {
            "type": "string"
          },
          "title": {
            "type": "string"
          },
          "agency": {
            "type": "string"
          },
          "number": {
            "type": "string"
          },
          "days_left": {
            "type": "number"
          }
        },
        "additionalProperties": false
      }
    },
    "downloads": {
      "type": "object",
      "required": [
        "xlsx",
        "ics",
        "csv"
      ],
      "properties": {
        "csv": {
          "type": "string"
        },
        "ics": {
          "type": "string"
        },
        "xlsx": {
          "type": "string"
        }
      },
      "additionalProperties": false
    },
    "row_count": {
      "type": "number"
    },
    "past_dates_omitted": {
      "type": "number"
    }
  },
  "additionalProperties": false
}
show_federal_register_documents annotations
{
  "title": "Show federal documents",
  "readOnlyHint": true,
  "openWorldHint": true,
  "idempotentHint": true,
  "destructiveHint": false
}

Prompts

Not advertised

No prompt definitions available.

Resources

1 advertised

fed-register-widget — Zovo Federal Register Digest view

Advertised by the server during the last successful anonymous check.

Interactive view for Zovo Federal Register Digest.

fed-register-widget URI
ui://widget/fed-register-2-1.0.0-c44937eea31f45973c63576025eb6981f96eb3186a39a57ef8a13be1c56a4c71.html

MIME type: text/html;profile=mcp-app

fed-register-widget-legacy — Zovo Federal Register Digest view (previous versions)

Advertised by the server during the last successful anonymous check.

fed-register-widget-legacy URI template
ui://widget/fed-register-{version}.html

MIME type: text/html;profile=mcp-app

30-day availability

Aggregated from read-only remote checks; this is not a tool-execution or security guarantee.

Successful checks
1 of 1 (100%)
Average latency
585 ms
95th percentile latency
585 ms

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · probe · passed · 585 ms · metadata changed · 2 tool(s), 1 resource(s), 1 resource template(s)

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers the remote server. Use --scope project to write .mcp.json for the repo.
Claude Code configuration
claude mcp add --transport http zovo-federal-register-digest-mcp https://fed-register.zovo.one/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).
Codex configuration
codex mcp add zovo-federal-register-digest-mcp --url https://fed-register.zovo.one/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable zovo-federal-register-digest-mcp in your MCP settings.
Cursor configuration
{
  "mcpServers": {
    "zovo-federal-register-digest-mcp": {
      "url": "https://fed-register.zovo.one/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure).
Cline configuration
{
  "mcpServers": {
    "zovo-federal-register-digest-mcp": {
      "type": "streamableHttp",
      "url": "https://fed-register.zovo.one/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start zovo-federal-register-digest-mcp and inspect its tools.
VS Code configuration
{
  "servers": {
    "zovo-federal-register-digest-mcp": {
      "type": "http",
      "url": "https://fed-register.zovo.one/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.
Gemini CLI configuration
gemini mcp add --transport http zovo-federal-register-digest-mcp https://fed-register.zovo.one/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.
Claude Desktop configuration
{
  "mcpServers": {
    "zovo-federal-register-digest-mcp": {
      "url": "https://fed-register.zovo.one/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.
Windsurf configuration
{
  "mcpServers": {
    "zovo-federal-register-digest-mcp": {
      "serverUrl": "https://fed-register.zovo.one/mcp"
    }
  }
}

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