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 skills/outthislife/brooklyn-skills/runtime-debugnpx skills add OutThisLife/brooklyn-skills --skill runtime-debuggit clone --depth 1 https://github.com/OutThisLife/brooklyn-skillsWrote 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/outthislife/brooklyn-skills/runtime-debug)<a href="https://agentmods.dev/skills/outthislife/brooklyn-skills/runtime-debug"><img src="https://agentmods.dev/badge/skills/outthislife/brooklyn-skills/runtime-debug.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 | $0.00041 | $0.00258 |
| Opus 5 | $0.00020 | $0.00129 |
| Sonnet 5 | $0.00008 | $0.00052 |
| Haiku 4.5 | $0.00004 | $0.00026 |
Grade A, and why
runtime-debug 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.
What it actually says
Runtime Debug
When something breaks at runtime (a URL 500s, a deploy is down, an ephemeral env misbehaves), look at what actually happened before editing code.
Steps
- Reproduce and capture the real failure (status, error, request id, time).
- Check observability first: logs, traces, metrics. Use an observability MCP (e.g. Datadog) if one is available/connected; otherwise fall back to the platform's log stream (CI job, container, Jenkins, cloud logs).
- Locate the failing service/line from the evidence, not a guess.
- Fix the real cause. Don't add logging-only "fixes" and call it done.
- For intentional lab/ephemeral config (test secrets, fail-open), don't raise false alarms — leave required env in place.
Don't
- Rewrite code speculatively before reading logs.
- Report fixed without re-checking the runtime.
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 First seen · 29 lines · 41 tokens per session scan A 8638e6ea34db
runtime-debug is a skill published in the GitHub repository OutThisLife/brooklyn-skills (187 stars, last pushed 17d ago), licensed MIT. It adds 41 tokens to every session and 258 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 2026-08-30.
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