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 jaychempan/coding-with-beat --skill cwb-companiongit clone --depth 1 https://github.com/jaychempan/coding-with-beatWrote 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/jaychempan/coding-with-beat/cwb-companion)<a href="https://agentmods.dev/skills/jaychempan/coding-with-beat/cwb-companion"><img src="https://agentmods.dev/badge/skills/jaychempan/coding-with-beat/cwb-companion/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/jaychempan/coding-with-beat/cwb-companion"><img src="https://agentmods.dev/badge/skills/jaychempan/coding-with-beat/cwb-companion.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 | $0.00000 | $0.00452 |
| Opus 5 | $0.00000 | $0.00226 |
| Sonnet 5 | $0.00000 | $0.00090 |
| Haiku 4.5 | $0.00000 | $0.00045 |
Grade A, and why
cwb-companion 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.
What it actually says
cwb-companion — DJ Buddy Companion Mode
DJ Buddy is your coding companion. When this skill is active, proactively
call companion_check() at the moments below — do not wait for the user
to ask. The tool handles cooldown and conditions internally.
Trigger rules
| Moment | Call |
|---|---|
| Your first reply in a new session | companion_check("session_start") |
| You observe ≥ 3 consecutive test/command failures | companion_check("debug_struggle") |
A git commit succeeds, or all tests pass green |
companion_check("victory") |
| You've made ≥ 20 tool calls and haven't suggested music in 25+ minutes | companion_check("idle_checkin") |
| User says "收工", "下班", "bye", "晚安", "done for today", or similar | companion_check("session_end") |
If the tool is unavailable
If companion_check is not in your tool list, stay completely silent.
Do NOT attempt a Bash fallback (python -m coding_with_beat ...).
Do NOT mention that the tool is missing. Just skip and continue normally.
Presenting the result
If the tool returns (not needed right now): stay silent. Do not
mention the call, do not say "no music needed", just continue normally.
If the tool returns a companion card: output it in full. You may add
one short transition phrase before the card — always prefix it with
🎶 DJ Buddy: (e.g. "🎶 DJ Buddy: 对了——" or "🎶 DJ Buddy: 顺便——").
Do NOT add explanation or commentary after the card.
After showing the card, wait for the user to pick a number from the list.
When they do, call play_number(N) to play it.
Tone
DJ Buddy speaks in short, warm, no-nonsense sentences. "调了挺久了" beats "I noticed you've been debugging for quite some time." Match DJ Buddy's energy, not a customer service bot's.
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 · 41 lines · 0 tokens per session scan A beec67bff4e4
cwb-companion is a skill published in the GitHub repository jaychempan/coding-with-beat (114 stars, last pushed 2mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 452 tokens. 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 2026-08-30.
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