Is io.github.RudrenduPaul/shimguard safe to use?

io.github.RudrenduPaul/shimguard has no known CVEs as of the latest MCPpedia security scan. Authentication requirements were not detected automatically - check the project's documentation before connecting in a shared environment. Licensed under MIT.

How do I install io.github.RudrenduPaul/shimguard?

io.github.RudrenduPaul/shimguard supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.

What can io.github.RudrenduPaul/shimguard do?

io.github.RudrenduPaul/shimguard provides 8 tools: MISMATCH, Contents, Install, Quickstart, FAQ and 3 more. See the full tools list on the server page for descriptions and parameters.

What AI clients work with io.github.RudrenduPaul/shimguard?

io.github.RudrenduPaul/shimguard is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse transport.

Is io.github.RudrenduPaul/shimguard actively maintained?

io.github.RudrenduPaul/shimguard is actively maintained - last commit was 5 days ago.

io.github.RudrenduPaul/shimguard

shimguard-cli

Wraps the ShimGuard CLI as a single generic MCP tool for agent-shim provenance checks.

6/wk 8 tools GitHub npm PyPI

No known CVEs

MIT license

Actively maintained

Last commit 5d ago

Works with most clients

Transport: stdio, sse

8 tools · ~211 tok

Grade A · 0.1% of 200K ctx

MCPpedia last refreshed this data 2d ago

Edit this pageView history

io.github.RudrenduPaul/shimguard is an MCP server that wraps the ShimGuard CLI as a single generic MCP tool for agent-shim provenance checks. Its tool list has not been published yet over stdio and sse, requires no API key, and scores 87/100 on MCPpedia's security, maintenance and efficiency rubric.

Other

Step 1

Install in your client

Config is the same across clients - only the file and path differ.

Supported in Claude Desktopstdio, sse · Node 18+

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "io-github-rudrendupaul-shimguard": {
      "args": [
        "-y",
        "shimguard-cli"
      ],
      "command": "npx"
    }
  }
}

Are you the author?

Add this badge to your README to show your security score and help users find safe servers.

Embed in your READMEAbout badges →

[![MCPpedia Score](https://mcppedia.org/api/badge/io-github-rudrendupaul-shimguard)](https://mcppedia.org/s/io-github-rudrendupaul-shimguard)

Read me

What io.github.RudrenduPaul/shimguard does

Wraps the ShimGuard CLI as a single generic MCP tool for agent-shim provenance checks.

Test This Server

Run this in your terminal to verify the server starts. Then let us know if it worked - your result helps other developers.

npx -y 'shimguard-cli' 2>&1 | head -1 && echo "✓ Server started successfully"

After testing, let us know if it worked:

Loading README…

Scored, not listed

Why this score

Five weighted categories - click any category to see the underlying evidence.

Score breakdown

87/100across 5 weighted dimensions

How we score →

0255075100

−13

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

Checked shimguard-cli against OSV.dev.

Inventory

Tools (8)

Click any tool to inspect its schema.

~211 tokens total

Community

Reviews

Be the first to review

Have you used this server?

Share your experience - it helps other developers decide.

How easy was setup?Did it work reliably?How was the documentation?

Frequently Asked Questions

Is io.github.RudrenduPaul/shimguard safe to use?: io.github.RudrenduPaul/shimguard has no known CVEs as of the latest MCPpedia security scan. Authentication requirements were not detected automatically - check the project's documentation before connecting in a shared environment. Licensed under MIT.
How do I install io.github.RudrenduPaul/shimguard?: io.github.RudrenduPaul/shimguard supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
What can io.github.RudrenduPaul/shimguard do?: io.github.RudrenduPaul/shimguard provides 8 tools: MISMATCH, Contents, Install, Quickstart, FAQ and 3 more. See the full tools list on the server page for descriptions and parameters.
What AI clients work with io.github.RudrenduPaul/shimguard?: io.github.RudrenduPaul/shimguard is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse transport.
Is io.github.RudrenduPaul/shimguard actively maintained?: io.github.RudrenduPaul/shimguard is actively maintained - last commit was 5 days ago.

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Community

Discussion

Start a conversation

Ask a question, share a tip, or report an issue.

Has anyone used this with Cursor?How do you handle auth?Any alternatives?

Edit this pageView history

Other

Step 1

Install in your client

Config is the same across clients - only the file and path differ.

Supported in Claude Desktopstdio, sse · Node 18+

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "io-github-rudrendupaul-shimguard": {
      "args": [
        "-y",
        "shimguard-cli"
      ],
      "command": "npx"
    }
  }
}

Are you the author?

Add this badge to your README to show your security score and help users find safe servers.

Embed in your READMEAbout badges →

[![MCPpedia Score](https://mcppedia.org/api/badge/io-github-rudrendupaul-shimguard)](https://mcppedia.org/s/io-github-rudrendupaul-shimguard)

Read me

What io.github.RudrenduPaul/shimguard does

Wraps the ShimGuard CLI as a single generic MCP tool for agent-shim provenance checks.

Test This Server

Run this in your terminal to verify the server starts. Then let us know if it worked - your result helps other developers.

npx -y 'shimguard-cli' 2>&1 | head -1 && echo "✓ Server started successfully"

After testing, let us know if it worked:

README

ShimGuard

Verify that a GitHub issue closed as "fixed" actually has a merged fix, before you trust the tracker.

npx shimguard-cli verify sybil-solutions/codex-shim --issues 38,41,42,43,45,46

That single command against the real sybil-solutions/codex-shim repo (1,000+ stars) turns up 6 MISMATCH results: 6 security issues, each closed with a "Fixed in PR #52" comment, where PR #52 was never actually merged. The vulnerable code is still in main today. Nobody reading the closed issues would know.

Why this exists
Install
Quickstart
CLI reference
Library API
How it compares
What is ShimGuard, and why does it exist
FAQ
Contributing
License

Why this exists

Reading an issue tracker, you trust two signals: the issue's state (open or closed) and the maintainer's closing comment ("fixed in #N"). Neither signal is verified against reality by GitHub itself. A maintainer can close an issue citing a PR that never merged, an automated bot can close on a "fixes #N" keyword in a PR description before that PR lands, or a fix can get reverted after the issue was already closed. Any of these leaves a tracker saying "fixed" about a bug that is still live.

ShimGuard checks the one thing a human skimming issues does not: does the PR the tracker cites as the fix actually show merged: true? It is a small, mechanical, unambiguous check, not a heuristic or a guess.

Install

ShimGuard ships two independent, equally first-class packages -- pick whichever fits your toolchain, or install both. Neither is deprecated in favor of the other; both implement the same "closed issue cites Fixed in PR #N, is #N actually merged" check against the same GitHub REST API.

# npm -- JavaScript/TypeScript CLI + library
npm install -g shimguard-cli
# or run it once with no install
npx shimguard-cli verify <owner>/<repo> --issues <numbers>

# PyPI -- Python CLI + library (genuine port, not a wrapper around the Node binary)
pip install shimguard-cli

The npm CLI requires Node.js 18 or later (uses the built-in fetch API). The Python package's CLI entry point is also shimguard (e.g. shimguard verify sybil-solutions/codex-shim --issues 45,46); see python/README.md and docs/getting-started.md for the Python-specific walkthrough, and CHANGELOG.md for each distribution's version history.

Quickstart

shimguard verify sybil-solutions/codex-shim --issues 38,41,42,43,45,46

ShimGuard v0.1 -- Tracker Verification: sybil-solutions/codex-shim

[MISMATCH] Issue #45 "_resolve_api_key silently falls back to Cursor API key for any model with an empty api_key, forwarding it to arbitrary upstream URLs"
  https://github.com/sybil-solutions/codex-shim/issues/45
  Cited fix: PR #52 (open, not merged)
  Issue is closed and cites PR #52 as the fix, but that PR is open and was never merged.

Summary: 6 MISMATCH, 0 MATCH, 0 UNVERIFIED (6 checked)

Exit code is 1 when any MISMATCH is found (useful for gating CI), 0 when every checked issue's claimed fix actually merged, 2 on a usage or network error.

ShimGuard is not just a gotcha finder:

... View full README on GitHub

Loading README…

Scored, not listed

Why this score

Five weighted categories - click any category to see the underlying evidence.

Score breakdown

87/100across 5 weighted dimensions

How we score →

0255075100

−13

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

Checked shimguard-cli against OSV.dev.

Inventory

Tools (8)

Click any tool to inspect its schema.

~211 tokens total

Community

Reviews

Be the first to review

Have you used this server?

Share your experience - it helps other developers decide.

How easy was setup?Did it work reliably?How was the documentation?

Frequently Asked Questions

Is io.github.RudrenduPaul/shimguard safe to use?: io.github.RudrenduPaul/shimguard has no known CVEs as of the latest MCPpedia security scan. Authentication requirements were not detected automatically - check the project's documentation before connecting in a shared environment. Licensed under MIT.
How do I install io.github.RudrenduPaul/shimguard?: io.github.RudrenduPaul/shimguard supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
What can io.github.RudrenduPaul/shimguard do?: io.github.RudrenduPaul/shimguard provides 8 tools: MISMATCH, Contents, Install, Quickstart, FAQ and 3 more. See the full tools list on the server page for descriptions and parameters.
What AI clients work with io.github.RudrenduPaul/shimguard?: io.github.RudrenduPaul/shimguard is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse transport.
Is io.github.RudrenduPaul/shimguard actively maintained?: io.github.RudrenduPaul/shimguard is actively maintained - last commit was 5 days ago.

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Others in other

View all →

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Headroom95

Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 60-95% fewer tokens, same answers. Library, proxy, MCP server.

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234 2

System1 Agents95

System 1 decision models (Jev, Laya, Cua-S1) as brain for agents: Browser use, computer use, games and robotics

176 8

MCP Security Weekly

Get CVE alerts and security updates for io.github.RudrenduPaul/shimguard and similar servers.

Community

Discussion

Start a conversation

Ask a question, share a tip, or report an issue.

Has anyone used this with Cursor?How do you handle auth?Any alternatives?