brain:rescan

brain:rescan is a skill for Claude Code, Codex from coco-research/coco. It costs 62 tokens per session (987 once invoked), scanned A, original, no licence file.

An incremental project scanner that finds changed files since the last scan and updates an existing local knowledge database with information from notes and documents.

In plain words
What is it for?
Use it to rescan a project folder after files change and add newly discovered information.
Why use it?
It keeps project knowledge current without scanning and processing every file again.

Skill for Claude CodeCodex

Which agent this was written for is unclear — body not stored (licence); the path alone says nothing.

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 skills/coco-research/coco/brain-rescan
Any agent
npx skills add coco-research/coco --skill brain-rescan
Clone the repo
git clone --depth 1 https://github.com/coco-research/coco

Made for: Claude Code, Codex.

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 brain:rescan

README.md
[![agentmods](https://agentmods.dev/badge/skills/coco-research/coco/brain-rescan.svg)](https://agentmods.dev/skills/coco-research/coco/brain-rescan)
Your own site
<a href="https://agentmods.dev/skills/coco-research/coco/brain-rescan"><img src="https://agentmods.dev/badge/skills/coco-research/coco/brain-rescan.svg" alt="Measured on agentmods" height="20"></a>
Per session 62 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 987 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin unknown No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00062 $0.00987
Opus 5 $0.00031 $0.00494
Sonnet 5 $0.00012 $0.00197
Haiku 4.5 $0.00006 $0.00099

Measured 3d ago against content hash 420165df46c3, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

brain:rescan 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 3d ago.

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.

systems/brain/skills/brain-rescan/SKILL.md · 130 lines

The source is not reproduced here

A licence we could not identify

The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.

Read it on GitHub

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. 3d ago First seen · 130 lines · 62 tokens per session scan A 420165df46c3

Subscribe to this mod's changes

brain:rescan is a skill published in the GitHub repository coco-research/coco (219 stars, last pushed today), with no licence file. It adds 62 tokens to every session and 987 once invoked, about $0.0003 per session on Opus 5. 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 2026-09-03.

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