Mmcp.market

MCP Hangar

by mcp-hangar.io·io.mcp-hangar/hangar·v2.21.0
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Policy enforcement plane for MCP: every tool call ends in a verdict. Self-hosted, MIT.

C65/100grade C
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Safety scan
C65/100

full report

Adoption
Not measured yet

Usage numbers are collected on the next scan

Reviews

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If you have run it, two minutes of your experience saves the next person an afternoon.

Tools

Tool lists for local packages are only visible after install.

Public scan report

scanner v0.1.2 · 2026-09-18 · same rubric, same numbers if you re-run it

2 high
  • Code scan464 source files scanned1/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • Tool poisoningonly the listing description was available15/15
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancelast push 1 days ago15/15
  • Maintainer identityregistry namespace matches repository owner; website matches verified namespace9/10

Findings (2)

  • highWhole environment serialized (possible credential exfil)env.dump
    mcp_hangar-2.21.0/src/mcp_hangar/bootstrap/runtime.py: …d`` / ``burst_size``. """ env = dict(os.environ) if env is None else env rate_limit …
  • highcurl | sh in a scriptinstall.curl-pipe
    mcp_hangar-2.21.0/src/mcp_hangar/server/cli/services/dependency_detector.py: …tall uv: https://docs.astral.sh/uv/ or `curl -LsSf https://astral.sh/uv/install.sh | sh`", "docker/podman": "Install Do…
Overall 65/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

Install directly

claude mcp add hangar -- uvx mcp-hangar
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