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passmcp MCP server

by sebastienrousseau.com·com.sebastienrousseau/passmcp-server·v0.0.8
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Evaluate an MCP server with passmcp and verify its attestations, from inside the agent. Read-only.

B83/100grade B
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B83/100

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

passmcp tools

No tool declarations could be read from the package source. They show once the server is installed.

Not scanned yet. New listings are scanned within a day or two of arriving.

How passmcp compares

Against every graded AI and agents MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
83/100
higher than 68% of 4,460 AI and agents servers

Release history: 2 versions in the registry since 2026-09-30, latest 2026-10-18, typically one every 19 days.

Install passmcp in Claude Code, Cursor or VS Code

claude mcp add passmcp-server -- docker run -i --rm ghcr.io/sebastienrousseau/passmcp-server:0.0.8
Add to Cursor

What the publisher says

From the passmcp repository's README, as published. We do not edit it. Read it on GitHub

<!-- SPDX-FileCopyrightText: 2026 Sebastien Rousseau --> <!-- SPDX-License-Identifier: GPL-3.0-only -->

passmcp-server

passmcp, the Model Context Protocol server diagnostic, as MCP tools — so an agent can evaluate a server, or check an attestation about one, from inside the editor. Read-only, allowlisted, and it never sends a credential.

Contents

Getting started

  • Install — release archives, go install, make install, the container image, and an MCP host configuration
  • Requirements — passmcp itself, and the Go floor to build from source
  • Quick Start — ask the agent to evaluate a local server

The passmcp-server ecosystem

  • The passmcp-server ecosystem — passmcp, passmcp-reporting, passmcp-server, passmcp-action, passmcp-graph, passmcp-registry, passmcp-lsp, passmcp-census, satellion.com

Library reference

  • Capabilities at a glance — the current surface by theme
  • Ecosystem comparison — short matrix; full table at docs/COMPARISON.md
  • Benchmarks — headline numbers; full table at docs/BENCHMARKS.md
  • Features — the allowlist, no credentials, read-only
  • Configuration — two flags and their environment variables
  • Examples — tool calls and results

Operational

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

passmcp: common questions

Is passmcp MCP server safe?
Mostly: it is graded B (83/100). Read the passmcp safety report
How do I install passmcp?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does passmcp need an API key?
No secret keys are declared. It reads 1 setting from the environment.
Is passmcp maintained?
The last commit was 35 days ago (2026-09-30). The latest release is v0.0.8.
What can I use instead of passmcp?
Servers from other publishers that do the same job: Watch Skill MCP server, Emilia Protocol MCP server and Mockserver MCP server.

Alternatives to passmcp

Same job from other publishers: the closest match first, then the best rated.

  • Watch Skill
    Watch video and live sessions, keep timestamped evidence, and verify an agent's own work.
    B
  • Emilia Protocol
    Exact-action approval for consequential agent actions: request, track, and verify signed receipts.
    B
  • Mockserver
    Mock, record/replay, verify and chaos-test any HTTP, REST, gRPC or LLM dependency over MCP.
    A