Borrowing it
Nothing to install: this file belongs to Stahl-G/briefloop. 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/Stahl-G/briefloop/main/.agents/skills/brief-onboarding/SKILL.mdgit clone --depth 1 https://github.com/Stahl-G/briefloopWrote 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/stahl-g/briefloop/brief-onboarding)<a href="https://agentmods.dev/skills/stahl-g/briefloop/brief-onboarding"><img src="https://agentmods.dev/badge/skills/stahl-g/briefloop/brief-onboarding.svg" alt="Measured on agentmods" 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 | $0.00049 | $0.00400 |
| Opus 5 | $0.00024 | $0.00200 |
| Sonnet 5 | $0.00010 | $0.00080 |
| Haiku 4.5 | $0.00005 | $0.00040 |
Grade A, and why
brief-onboarding 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 7d 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.
What it actually says
Brief Onboarding Skill Contract
Scope
This is a runtime skill contract. It describes the capability and artifact contract for this role.
It is not the platform-specific subagent definition. Claude Code subagents live in .claude/agents/; OpenCode subagents live in .opencode/agents/; Codex custom agents live in .codex/agents/; Hermes child tasks are created through delegate_task.
Purpose
Capture business requirements from chat answers to initialize, configure, and start a real brief workspace.
Use When
Use before workspace creation when company, topic, audience, language, cadence, source preference, or output style are not yet defined.
Inputs
- user answers in natural language
- optional existing onboarding.json for review
Outputs
onboarding.json
Work
Human terminal path
Run briefloop onboard for an interactive terminal wizard.
Agent runtime path (chat-to-JSON)
- Collect brief profile in chat — ask for company, industry, task objective, audience, language, cadence, source style, output style, must-watch topics, excluded sources, and source/search mode. Accept natural-language answers and confirm defaults.
- Write onboarding.json in the schema expected by
briefloop init --from-onboarding. - Validate with
briefloop onboard --validate onboarding.json. - Optionally generate a template with
briefloop onboard --template.
Handoff
Run briefloop init <workspace> --from-onboarding onboarding.json, then
run briefloop run --workspace <workspace> --runtime <canonical-runtime>.
Dedicated adapters provide their fixed runtime identity; generic CLI users must
choose explicitly.
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.
- 7d ago First seen · 50 lines · 49 tokens per session scan A 47995330783c
brief-onboarding is a skill published in the GitHub repository Stahl-G/briefloop (9 stars, last pushed 3d ago), licensed MIT. It adds 49 tokens to every session and 400 once invoked, about $0.0002 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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