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congressMCP vs mcp-server-chart

Side-by-side comparison to help you pick between these two MCP servers.

congressMCP
by amurshak
mcp-server-chart
by antvis
Stars★ 30★ 4,068
30d uses10,239
Score4584
Official
Categories
AI / LLM ToolsDeveloper ToolsOther
AI / LLM ToolsDeveloper ToolsProductivity
LanguagePythonTypeScript
Last commit2 mo agothis month

congressMCP · Summary

MCP server providing 91+ tools for accessing live U.S. Congressional data through Congress.gov API.

mcp-server-chart · Summary

A TypeScript MCP server for generating 26+ visualization charts using AntV, supporting multiple chart types and deployment options.

congressMCP · Use cases

  • Tracking legislative activity on specific issues like climate change
  • Analyzing voting patterns of representatives from specific states
  • Monitoring committee composition and related legislation

mcp-server-chart · Use cases

  • Data analysts creating visual reports from datasets
  • AI assistants generating custom charts based on user requests
  • Web applications embedding visualization capabilities via HTTP API

congressMCP · Install

  1. Get a free Congress.gov API key from [api.congress.gov/sign-up](https://api.congress.gov/sign-up/)
  1. Install the package:
pip install congressmcp
  1. Configure your MCP client (example for Claude Desktop):

Add to ~/Library/Application Support/Claude/claude_desktop_config.json:

{
  "mcpServers": {
    "congressmcp": {
      "command": "uvx",
      "args": ["congressmcp"],
      "env": {
        "CONGRESS_API_KEY": "your-api-key-here"
      }
    }
  }
}

mcp-server-chart · Install

Installation

Install globally:

npm install -g @antv/mcp-server-chart

For Desktop Apps (e.g., Claude Desktop, VSCode):

{
  "mcpServers": {
    "mcp-server-chart": {
      "command": "npx",
      "args": ["-y", "@antv/mcp-server-chart"]
    }
  }
}

For Windows:

{
  "mcpServers": {
    "mcp-server-chart": {
      "command": "cmd",
      "args": ["/c", "npx", "-y", "@antv/mcp-server-chart"]
    }
  }
}
Comparison generated from public README + GitHub signals. Last updated automatically.