the13f-mcp

A Model Context Protocol server providing read-only access to institutional positioning intelligence from SEC Form 13F filings, including manager data, holdings, portfolio similarity, and sector flows.

Visit The 13F

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Vendor evidenceLocal stdioSource reviewed; not executedOperated by The 13F

You need:You need a free pf13f_ key first: get one at the13f.com/integrations (one email).Authentication is a single environment variable the host sets for the subprocess: THE13F_API_KEY , a key that starts with pf13f_ .

Vendor documentation

What you can do with it

Find institutional 13F filers by name
Return every quarter code with available data
Fetch position-level holdings for managers
Analyze portfolio similarity and sector capital flows

Source and maintenance

Vendor evidenceRegistry 0.5.0

mcp-registry: com.the13f/mcp@0.5.0 Source repository Project website

Maintenance checked: Nov 1, 2026, 4:12 PM UTC

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

the13f-mcp 0.5.0

pypiuvx

the13f-mcp package definition

{
  "version": "0.5.0",
  "transport": "stdio",
  "identifier": "the13f-mcp",
  "runtimeHint": "uvx",
  "registryType": "pypi",
  "registryBaseUrl": "https://pypi.org",
  "environmentVariables": [
    {
      "name": "THE13F_API_KEY",
      "format": "string",
      "isRequired": true,
      "description": "Free pf13f_ key from https://the13f.com/integrations/. 100 calls/day, no credit card. Without it, every tool returns a structured free-signup-required response with the signup URL."
    },
    {
      "name": "THE13F_API_BASE_URL",
      "format": "string",
      "default": "https://api.the13f.com",
      "description": "Override API base URL. Defaults to https://api.the13f.com. Used for local development against a running copy of the13f's gui_server."
    },
    {
      "name": "THE13F_MCP_TIMEOUT",
      "format": "string",
      "default": "30",
      "description": "Per-request HTTP timeout in seconds. Minimum 5."
    },
    {
      "name": "THE13F_MCP_REPORTS",
      "format": "string",
      "default": "on",
      "description": "Set to off to stop the server telling The 13F when it fails on your computer (versions, operating system, place and error message only)."
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before 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.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

{
  "mcpServers": {
    "the13f-mcp": {
      "command": "uvx",
      "args": [
        "the13f-mcp==0.5.0"
      ],
      "env": {
        "THE13F_API_KEY": "<YOUR_THE13F_API_KEY>",
        "THE13F_API_BASE_URL": "<YOUR_THE13F_API_BASE_URL>",
        "THE13F_MCP_TIMEOUT": "<YOUR_THE13F_MCP_TIMEOUT>",
        "THE13F_MCP_REPORTS": "<YOUR_THE13F_MCP_REPORTS>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "the13f-mcp": {
      "command": "uvx",
      "args": [
        "the13f-mcp==0.5.0"
      ],
      "env": {
        "THE13F_API_KEY": "<YOUR_THE13F_API_KEY>",
        "THE13F_API_BASE_URL": "<YOUR_THE13F_API_BASE_URL>",
        "THE13F_MCP_TIMEOUT": "<YOUR_THE13F_MCP_TIMEOUT>",
        "THE13F_MCP_REPORTS": "<YOUR_THE13F_MCP_REPORTS>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.

VS Code configuration

{
  "servers": {
    "the13f-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "the13f-mcp==0.5.0"
      ],
      "env": {
        "THE13F_API_KEY": "<YOUR_THE13F_API_KEY>",
        "THE13F_API_BASE_URL": "<YOUR_THE13F_API_BASE_URL>",
        "THE13F_MCP_TIMEOUT": "<YOUR_THE13F_MCP_TIMEOUT>",
        "THE13F_MCP_REPORTS": "<YOUR_THE13F_MCP_REPORTS>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.

Claude Desktop configuration

{
  "mcpServers": {
    "the13f-mcp": {
      "command": "uvx",
      "args": [
        "the13f-mcp==0.5.0"
      ],
      "env": {
        "THE13F_API_KEY": "<YOUR_THE13F_API_KEY>",
        "THE13F_API_BASE_URL": "<YOUR_THE13F_API_BASE_URL>",
        "THE13F_MCP_TIMEOUT": "<YOUR_THE13F_MCP_TIMEOUT>",
        "THE13F_MCP_REPORTS": "<YOUR_THE13F_MCP_REPORTS>"
      }
    }
  }
}

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