gbrain-coding

gbrain-coding is a plugin for Claude Code from garrytan/gbrain. Its manifest loads nothing; the 21 skills it bundles cost 1,547 tokens per session together, scanned A, original, MIT.

A coding-focused variant of the GBrain plugin for agents working inside a software repository. It includes instructions for retrieving knowledge, routing tasks, importing content carefully, and handling corrections.

In plain words
What is it for?
Finding relevant project knowledge, deciding which instruction applies, adding information under the right rules, and correcting existing knowledge.
Why use it?
It gives coding agents a repository-oriented way to use shared memory while reducing duplicate or incorrectly filed information.

Plugin for Claude Code

Written for Claude Code: ${CLAUDE_PLUGIN_ROOT} variable. Also seen: built for gbrain.

Good fit Finding relevant project knowledge, deciding which instruction applies, adding information under the right rules, and correcting existing knowledge.

Compare 6 plugins from other repositories ↓
Install in Claude Code
/plugin marketplace add garrytan/gbrain
/plugin install gbrain-coding
About the project

GBrain is a memory and retrieval layer for AI agents that searches, connects, and synthesizes information from stored sources. It is used to give coding agents and autonomous agents access to knowledge beyond their current code, including shared company information with access controls. The catalogue add-ons help agents operate GBrain and connect it to agent workflows.

garrytan/gbrain · 31,034 stars · on GitHub

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.

Clone the repo
git clone --depth 1 https://github.com/garrytan/gbrain

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for gbrain-coding

README.md
[![agentmods](https://agentmods.dev/badge/plugins/garrytan/gbrain/gbrain-coding/github.svg)](https://agentmods.dev/plugins/garrytan/gbrain/gbrain-coding)
Your own site
<a href="https://agentmods.dev/plugins/garrytan/gbrain/gbrain-coding"><img src="https://agentmods.dev/badge/plugins/garrytan/gbrain/gbrain-coding/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for gbrain-coding

Your own site · 80×15
<a href="https://agentmods.dev/plugins/garrytan/gbrain/gbrain-coding"><img src="https://agentmods.dev/badge/plugins/garrytan/gbrain/gbrain-coding.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session not measured What this adds to a session before it is invoked.
When invoked not measured The manifest loads nothing itself; its 21 skills cost 1,547 tokens a session between them.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Security

Grade A, and why

gbrain-coding 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 today.

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.

plugin-variants/gbrain-coding/.claude-plugin/plugin.json · 35 lines

What it actually says

{
  "name": "gbrain-coding",
  "version": "0.60.330.0",
  "description": "Brain-first coding agent working inside a repo: retrieval, routing, ingest discipline, correction hygiene. Default persona for the claude-code harness bridge; also published as the gbrain-coding marketplace variant. (persona variant of the gbrain plugin — 21 skills)",
  "author": {
    "name": "Garry Tan",
    "url": "https://github.com/garrytan"
  },
  "homepage": "https://github.com/garrytan/gbrain",
  "repository": "https://github.com/garrytan/gbrain",
  "license": "MIT",
  "keywords": [
    "memory",
    "knowledge-base",
    "mcp",
    "search",
    "agent",
    "brain",
    "pgvector"
  ],
  "skills": "./skills/",
  "mcpServers": {
    "gbrain": {
      "command": "${CLAUDE_PLUGIN_ROOT}/.agents/gbrain-launcher",
      "args": [
        "serve",
        "--surface",
        "full",
        "--source-guard"
      ],
      "cwd": "${CLAUDE_PLUGIN_ROOT}"
    }
  }
}
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. today Changed 2f773f6ce32a
  2. yesterday Changed 224cb301b653
  3. 2d ago Changed aba56f025bf5
  4. 3d ago Changed c7e39b491fff
  5. 4d ago Changed fd3c6bb92cb0
  6. 5d ago Changed 0fb66dee8b76
  7. 6d ago Changed b610aaf3181b
  8. 7d ago Changed c15497f72f31
  9. 8d ago Changed abe785692ff0
  10. 9d ago First seen · 35 lines scan A 06edf7ec55c2

Subscribe to this mod's changes

gbrain-coding is a plugin published in the GitHub repository garrytan/gbrain (31,034 stars, last pushed today), licensed MIT. 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 2026-08-30.