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.
npx skills add jeremylongshore/bobs-big-brain-plugin --skill braingit clone --depth 1 https://github.com/jeremylongshore/bobs-big-brain-pluginWrote 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.
[](https://agentmods.dev/skills/jeremylongshore/bobs-big-brain-plugin/brain)<a href="https://agentmods.dev/skills/jeremylongshore/bobs-big-brain-plugin/brain"><img src="https://agentmods.dev/badge/skills/jeremylongshore/bobs-big-brain-plugin/brain/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.
<a href="https://agentmods.dev/skills/jeremylongshore/bobs-big-brain-plugin/brain"><img src="https://agentmods.dev/badge/skills/jeremylongshore/bobs-big-brain-plugin/brain.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00124 | $0.01919 |
| Opus 5 | $0.00062 | $0.00959 |
| Sonnet 5 | $0.00025 | $0.00384 |
| Haiku 4.5 | $0.00012 | $0.00192 |
Grade A, and why
brain 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 9d 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.
How it starts
The opening of the file, as written. The whole thing — 154 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Brain — cited answers from your governed knowledge base
Ask your knowledge brain a question and get an answer grounded in your governed corpus, where every claim carries a qmd:// citation. The brain does not paraphrase from memory — it retrieves governed memories and cites them, so any answer is verifiable after the fact.
Overview
This is the read surface of Bob's Big Brain: your files are compiled into
governed memories, governed by deterministic code, and retrieved with citations
by Tobi's qmd (OSS). The brain_search MCP tool fronts that retrieval. Your product
surround is INTKB govern + ICO compile + this plugin — not a fork of qmd.
The job here is to turn a natural-language question into a cited answer — and to refuse to answer beyond what the citations support.
Prerequisites
- The bobs-big-brain / governed-brain plugin is installed (MCP
governed-brain). - Mode is automatic. In local mode (default) search runs in-process
against your local
~/.teamkbindex — no network, no API key; a compatible qmd binary must be available (prefer monorepo pin@tobilu/qmdvia the Registrar / installer). Operators can usescripts/bbb-qmdfrom bobs-big-brain-registrar so XDG points at the team index, not personal~/.cache/qmd. In team mode (TEAMKB_API_URLset) search proxies to the team brain. Every hit is aqmd://citation.
Instructions
Step 1: Search the governed corpus
Retrieval is Tobi's qmd (BM25 keyword via the MCP). Prefer short keyword queries over full sentences.
- Derive 1–4 distinctive nouns/verbs from the user question (drop what/why/how, articles, auxiliaries, prepositions).
- Call
brain_searchwith those keywords andscope: "curated"(default promoted knowledge).
brain_search({ query: "SOPS age secrets", scope: "curated" })
The tool returns { source, results: [{ citation, snippet, score, collection }] }.
Each citation is a qmd://COLLECTION/FILENAME URI — the receipt for that hit.
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.
- 9d ago First seen · 154 lines · 124 tokens per session scan A 28d409976271
brain is a skill published in the GitHub repository jeremylongshore/bobs-big-brain-plugin (2 stars, last pushed 4d ago), licensed Apache-2.0. It adds 124 tokens to every session and 1,919 once invoked, about $0.0006 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 2026-08-31.
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