form4api-mcp

An MCP server that exposes the hosted Form4API REST API to MCP-compatible AI assistants like Claude Desktop, Cursor, and VS Code. It provides 39 tools and 6 research prompts for querying SEC Form 4, Form 144, 13F-HR, and congressional STOCK Act insider trading data. The server handles amendment reconciliation, 10b5-1 plan flagging, and joins institutional ownership context with insider transactions in a single query.

Package and access

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

Community listingLocal stdioSource reviewed; not executedPublished by theodor90

You need:Get a free API key Go to www.form4api.com → Sign in → Dashboard.

Vendor documentation

What you can do with it

Query SEC Form 4 insider trading transactions
Check Form 144 intent-to-sell filings
Analyze institutional 13F-HR ownership context
Research congressional STOCK Act trades

Source and maintenance

Community listingRegistry 1.17.0

mcp-registry: io.github.theodor90/form4api-mcp@1.17.0 Source repository Project website

Maintenance checked: Oct 31, 2026, 10:59 PM UTC

Packages and installation

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

form4api-mcp 1.17.0

npm

form4api-mcp package definition

{
  "version": "1.17.0",
  "transport": "stdio",
  "identifier": "form4api-mcp",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "FORM4API_KEY",
      "isRequired": true,
      "description": "Form4API key — get a free one (500 req/day, no card) at https://www.form4api.com"
    }
  ]
}

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": {
    "form4api-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "form4api-mcp@1.17.0"
      ],
      "env": {
        "FORM4API_KEY": "<YOUR_FORM4API_KEY>"
      }
    }
  }
}

Cline

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

Cline configuration

{
  "mcpServers": {
    "form4api-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "form4api-mcp@1.17.0"
      ],
      "env": {
        "FORM4API_KEY": "<YOUR_FORM4API_KEY>"
      }
    }
  }
}

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": {
    "form4api-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "form4api-mcp@1.17.0"
      ],
      "env": {
        "FORM4API_KEY": "<YOUR_FORM4API_KEY>"
      }
    }
  }
}

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": {
    "form4api-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "form4api-mcp@1.17.0"
      ],
      "env": {
        "FORM4API_KEY": "<YOUR_FORM4API_KEY>"
      }
    }
  }
}

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