firstmate is an agent distribution that lets one coding agent coordinate a crew of autonomous agents working in separate git worktrees. It is for running parallel fixes, investigations, plans, and audits while receiving completed pull requests, merges, or reports through one supervising agent. The catalogue entries provide skills, hooks, instructions, and settings for operating this workflow.
Borrowing it
Nothing to install: this file belongs to kunchenguid/firstmate. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/kunchenguid/firstmate/main/.agents/skills/quiet/SKILL.mdgit clone --depth 1 https://github.com/kunchenguid/firstmateWrote 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/kunchenguid/firstmate/quiet)<a href="https://agentmods.dev/skills/kunchenguid/firstmate/quiet"><img src="https://agentmods.dev/badge/skills/kunchenguid/firstmate/quiet/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/kunchenguid/firstmate/quiet"><img src="https://agentmods.dev/badge/skills/kunchenguid/firstmate/quiet.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 | $0.00057 | $0.01280 |
| Opus 5.5 | $0.00023 | $0.00512 |
| Sonnet 5.5 | $0.00011 | $0.00256 |
| Haiku 4.5 | $0.00006 | $0.00128 |
Grade A, and why
quiet 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 4d 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 — 86 lines — stays where its author put it; the contents beside it link to each section on GitHub.
quiet
Quiet supervision mode (kunchenguid/firstmate#2356): the same token-saving
daemon tradeoff as /afk, made explicit for a captain who is staying,
watching the session, and does not want to exit the mode just by chatting.
Where a daemon runs, this skill is a thin wrapper.
The afk skill owns the daemon's injection, busy/composer guards, and reliability properties; quiet mode uses that machinery while the captain remains present.
For captain-held rechecks under quiet, see architecture.
What it does
-
First check whether quiet mode needs anything here. On Pi or pi-signed, enter nothing: the attended branch already keeps routine wakes out of this conversation (the
afkskill's step 2); tell the captain so. Everywhere else runbin/fm-afk-launch.sh quiet-check; its header's QUIET MODE owns what each result means.- Exit 0: enter nothing - no record, no flag, no daemon, and
/quiet offthen needs nothing either. Tell the captain inAGENTS.mdsection 9 language that supervision here already works that way: routine fleet events stay off this conversation, while decisions, failures, credentials, and review-ready work still reach them. When its line says the supervision session is paused, say instead that routine updates reach them until it recovers, and when it next retries. - Exit 2: an away record is live, so the captain has returned: run the
afkskill's return and clear its catch-up gate, then runquiet-checkagain and follow its new result. - Exit 1: go on to step 1; if it printed a line, first tell the captain plainly what keeps supervision from already being quiet here.
- Exit 0: enter nothing - no record, no flag, no daemon, and
-
Enter the lifecycle through
bin/fm-afk-launch.sh, exactly as/afkdoes, withFM_AFK_MODE=quietset first. Follow theafkskill's record entry, daemon launch, and announcement steps, except that on a home that runs the supervision host its/afkno-daemon rule does not apply afterquiet-checkexits 1. Never arm a separatefm-watch.sh. ExportFM_AFK_MODE=quietin the shell that invokesbin/fm-afk-launch.sh enterandstart(orstart-native), so the record notes quiet mode andstate/.afk's first line readsquietinstead ofaway. On a home that runs the supervision host, launch the daemon on the path this harness uses without the host;startandstart-nativetake quiet mode from the recordenterwrote. KeepFM_AFK_MODE=quieton a quiet refresh: an/afkentry, even without new words, replaces a quiet record with an away record and starts hold-for-return.
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.
- 4d ago Changed · -1 lines · -68 tokens per session 875aec59de9d
- 25d ago Changed · -2 lines 7d471b88e30c
- 26d ago Changed · -3 lines f9f319f9a000
- 27d ago Changed · +13 lines · +27 tokens per session e432cbfc4d45
- 1mo ago First seen · 79 lines · 98 tokens per session scan A 49581e3713e4
quiet is a skill published in the GitHub repository kunchenguid/firstmate (8,295 stars, last pushed today), licensed MIT. It adds 57 tokens to every session and 1,280 once invoked, about $0.0002 per session on Opus 5.5. 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 2026-09-14.
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