A GitHub connection that lets a coding agent work with repositories, issues, pull requests, discussions, notifications, and security information. GitHub is a service for hosting and collaborating on code.

It is for searching code, managing issues and pull requests, handling repository discussions and notifications, and using GitHub security tools.

It gives the agent access to GitHub work that would otherwise require switching between the project and the GitHub website.

github — Plugin by cblecker

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Claude Code

/plugin marketplace add cblecker/claude-plugins

agentmods

npx agentmods add plugins/cblecker/claude-plugins/github

Clone the repo

git clone --depth 1 https://github.com/cblecker/claude-plugins

Made for: Claude Code.

Per session not measured What this adds to a session before it is invoked.

When invoked not measured Not applicable: nothing here is loaded into a session.

Security scan A 0 findings. Scan, not verified.

Origin original No closer match found in the catalogue.

Security

Grade A, and why

github scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured yesterday.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

github/.claude-plugin/plugin.json · 11 lines

What it actually says

{
  "name": "github",
  "description": "GitHub MCP server with selected toolsets for repository management, code security, discussions, notifications, and more.",
  "version": "1.4.0",
  "author": {
    "name": "GitHub"
  },
  "homepage": "https://github.com/github/github-mcp-server",
  "keywords": ["github", "mcp", "issues", "pull-requests", "code-security"]
}

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

yesterday First seen · 11 lines scan A 7f5451f8ae96

Subscribe to this mod's changes

github is a plugin published in the GitHub repository cblecker/claude-plugins (5 stars, last pushed 5d ago), licensed Apache-2.0. Its token cost is not measured: this kind of file is read by the harness, not the model. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

Research Security

github

Getting it into your agent

Grade A, and why

Nothing flagged

What it actually says

What this file has done since we first saw it

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