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 agentmods add commands/common-room/claude-plugin/weekly-briefgit clone --depth 1 https://github.com/common-room/claude-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/commands/common-room/claude-plugin/weekly-brief)<a href="https://agentmods.dev/commands/common-room/claude-plugin/weekly-brief"><img src="https://agentmods.dev/badge/commands/common-room/claude-plugin/weekly-brief.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 | $0.00011 | $0.00188 |
| Opus 5 | $0.00005 | $0.00094 |
| Sonnet 5 | $0.00002 | $0.00038 |
| Haiku 4.5 | $0.00001 | $0.00019 |
Grade A, and why
weekly-brief scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 3d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
Generate a weekly prep briefing using Common Room and your calendar.
Follow the weekly-prep-brief skill:
- Use the ~~calendar connector to retrieve all external customer-facing meetings scheduled for the next 7 days (or the date range specified in "$ARGUMENTS"). Filter out internal meetings — focus on calls with customers, prospects, or partners.
- If no ~~calendar connector is available, ask the user to list their external calls (company name, date, attendees).
- For each external meeting, run account research and contact research on attendees in parallel.
- Compile into a single weekly briefing: week overview + per-meeting sections sorted by date.
Keep each per-meeting section tight and scannable. Total briefing should be readable in under 10 minutes.
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 · 15 lines · 11 tokens per session scan A 03c64c6be28b
weekly-brief is a command published in the GitHub repository common-room/claude-plugin (3 stars, last pushed 6mo ago), licensed Apache-2.0. It adds 11 tokens to every session and 188 once invoked, about $0.0001 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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