agentmods.dev

repogrammar

A local add-on that gives a coding agent context about implementation patterns in a code repository.

In plain words
What is it for?
Use it when an agent needs local implementation-pattern context while working on code.
Why use it?
It helps the agent account for existing ways of building things instead of working without repository-specific pattern context.

MCP server for Claude CodeCodexCursorGemini CLIOpenCode

0 19d ago A scan tokens not measured original MIT
View the source file SioYooo/RepoGrammar
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.

agentmods
npx agentmods add mcp/sioyooo/repogrammar/repogrammar
Clone the repo
git clone --depth 1 https://github.com/SioYooo/RepoGrammar

Made for: Claude Code, Codex, Cursor, Gemini CLI, OpenCode.

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

repogrammar 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.

listed in the official MCP registry · 9 lines

What it actually says

{ "repogrammar": { "command": "npx", "args": [ "-y", "@sioyooo/repogrammar" ] } }

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.

  1. yesterday First seen · 9 lines scan A 25947ce9b393

Subscribe to this mod's changes

repogrammar is an MCP server published in the GitHub repository SioYooo/RepoGrammar (0 stars, last pushed 19d ago), licensed MIT. Its token cost is not measured: an MCP server costs its tool schemas, not its config file. 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.

Languagescode-analysiscoding-agentsdeveloper-toolslocal-firstmcprust
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