A shared AI memory for a team or initiative, separate from personal engineering notes. After it is started, it can pull crew context and save findings in a merge-safe way.

Coordinating Jira or initiative work, recalling shared findings, recording new discoveries, checking session compliance, and communicating updates with teammates.

It prevents each agent from working with isolated information and gives the team a controlled place to share research and decisions.

team-brain — Skill for Claude Code and Codex by Hrithik-Gavankar: A shared AI memory for a team or initiative…

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/hrithik-gavankar/brainstack/team-brain

Any agent

npx skills add Hrithik-Gavankar/brainstack --skill team-brain

Clone the repo

git clone --depth 1 https://github.com/Hrithik-Gavankar/brainstack

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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/hrithik-gavankar/brainstack/team-brain.svg)](https://agentmods.dev/skills/hrithik-gavankar/brainstack/team-brain)

Your own site

<a href="https://agentmods.dev/skills/hrithik-gavankar/brainstack/team-brain"><img src="https://agentmods.dev/badge/skills/hrithik-gavankar/brainstack/team-brain.svg" alt="Measured on agentmods" height="20"></a>

Per session 65 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 2,404 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. Scan, not verified.

Origin original 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.

Model	Per session	Once invoked
Fable 5	$0.00065	$0.02404
Opus 5	$0.00032	$0.01202
Sonnet 5	$0.00013	$0.00481
Haiku 4.5	$0.00006	$0.00240

Measured 3d ago against content hash d27a49867f52, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

team-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 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.

platforms/cursor/skills/team-brain/SKILL.md · 243 lines

How it starts

The opening of the file, as written. The whole thing — 243 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Team Brain — Sync Mode

Part of Brainstack: personal=engineer-brain, crew=team-brain.

Prefer	Fallback
MCP `start` / `prepare_research` / `recall` / `remember` / `compliance` / `peer_notify` / `correct` / `history` / `restore` / `touch`	`bash …/team-brain-api.sh …`

Peer push (#31)

start may attach a Realtime signal listener (bodies still via authenticated pull).
If .team-brain/notify/<KEY>.json updates mid-session, summarize new peer memories before continuing.
If push is unavailable (TEAM_BRAIN_REALTIME=off / no websockets / migration missing), poll/watch/recall still work.

Repo pin (#39) + roles (#40)

Prefer pinned Jira key from .team-brain/project.json when the user omits a key (start / attach).
Never put anon / api_key / invite into the pin — credentials stay gitignored.
whoami.role: viewer → recall only; member/admin → remember OK; only admin rotates invites.

Compliance (policy=`stronger_prompts`)

v1 follow-up chose stronger prompts + soft session gate (not a hard CLI block).

Before deep research: research_ok must be true (start loads context, or prepare_research / recall).
If sync_status / compliance returns agent_action, follow it before coding.
After durable findings: remember with source_ref in the same turn.
Humans may still use the CLI offline; agents must not skip the loop.
Never upload personal BRAIN.md.

bash "$API" compliance <JIRA-KEY>
bash "$API" sync-status <JIRA-KEY>   # embeds compliance

API="${SKILL_DIR}/scripts/team-brain-api.sh"
# or: <engineer-brain-repo>/core/scripts/team-brain-api.sh

Product loop (what the engineer does)

One manual step — start sync for the ticket
Automatic while active — background pull into cache; you summarize + work
Save findings — remember with source_ref (merge-safe)
On human correction — correct (or re-remember same source_ref) + optional learning
Long spikes — periodic recall (or optional background watch); do not spam every turn
Idle sleep — after ~1h no activity, sync sleeps; prompt user to wake

Read the full file on GitHub · 243 lines

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.

3d ago First seen · 243 lines · 65 tokens per session scan A d27a49867f52

Subscribe to this mod's changes

team-brain is a skill published in the GitHub repository Hrithik-Gavankar/brainstack (5 stars, last pushed 14d ago), licensed MIT. It adds 65 tokens to every session and 2,404 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 2026-08-31.

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