mcp-hangar

by mcp-hangar · Developer Tools · ★ 18

mcp-hangar is an MCP server by mcp-hangar. MCP policy enforcement plane — deterministic policy on every Model Context Protocol call: identity, RFC 8707 audience binding, tool schema digest pinning, full audit trail. Python, self-hosted, MIT. It has 18 GitHub stars and ranks #1304 of 2217 in Developer Tools by stars.

Category: Developer Tools
Author: mcp-hangar
GitHub stars: 18
This week: Tracking since 19 Oct 2026
Language: Python
License: MIT (open source)
Last update: 2026-10-23 (yesterday)
Links: Source Website PyPI

ai-agents
ai-security
kubernetes
llm-security
mcp
mcp-gateway
mcp-security
mcp-server
model-context-protocol
policy-as-code
policy-enforcement
python
+3 more

How to install mcp-hangar

mcp-hangar is published on PyPI as mcp-hangar, and it is listed in the official MCP Registry. These steps assume it runs as a local stdio server, which is the usual setup.

Check the README. Confirm the start command and note any API keys or environment variables it needs (pass them with -e KEY=value or an env block). You need uv for uvx.

Add it to Claude Code from a terminal:

claude mcp add mcp-hangar -- uvx mcp-hangar

Or add it to Cursor or Claude Desktop in .cursor/mcp.json or claude_desktop_config.json:

{
  "mcpServers": {
    "mcp-hangar": {
      "command": "uvx",
      "args": [
        "mcp-hangar"
      ]
    }
  }
}

Restart the client and check it. Run claude mcp list, or open the client's MCP settings, and confirm mcp-hangar and its tools are listed. The install guide covers VS Code and Codex.

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Frequently asked questions

What is mcp-hangar?

mcp-hangar is an MCP server by mcp-hangar in the Developer Tools category. MCP policy enforcement plane — deterministic policy on every Model Context Protocol call: identity, RFC 8707 audience binding, tool schema digest pinning, full audit trail. Python, self-hosted, MIT. It has 18 GitHub stars and ranks #1304 of 2217 in Developer Tools by stars.

Is mcp-hangar free and open source?

Yes. mcp-hangar is published under the MIT license, so you can run, modify and self-host it at no cost. If it connects to a paid service, that service's own pricing and API terms still apply. Check the repository for the exact license text before using it commercially.

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