Borrowing it
Nothing to install: this file belongs to opencue/cuecards. 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/opencue/cuecards/main/.agents/skills/trace-mcp-pre-commit/SKILL.mdgit clone --depth 1 https://github.com/opencue/cuecardsWrote 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/opencue/cuecards/trace-mcp-pre-commit)<a href="https://agentmods.dev/skills/opencue/cuecards/trace-mcp-pre-commit"><img src="https://agentmods.dev/badge/skills/opencue/cuecards/trace-mcp-pre-commit/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/opencue/cuecards/trace-mcp-pre-commit"><img src="https://agentmods.dev/badge/skills/opencue/cuecards/trace-mcp-pre-commit.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 | $0.00050 | $0.00514 |
| Opus 5.5 | $0.00020 | $0.00206 |
| Sonnet 5.5 | $0.00010 | $0.00103 |
| Haiku 4.5 | $0.00005 | $0.00051 |
Grade A, and why
trace-mcp-pre-commit 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 1mo 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.
This is a copy
100% identical to trace-mcp-pre-commit — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
How it starts
The opening of the file, as written. The whole thing — 80 lines — stays where its author put it; the contents beside it link to each section on GitHub.
trace-mcp — Pre-Commit & Pre-PR Checks
Before creating a commit or opening a pull request, run the trace-mcp validation suite. Fix any critical or high findings before committing.
When to Use
- The user asks to commit, stage, or push changes
- The user asks to open a PR
- The agent has finished implementing a feature or fix and is about to hand off
Checklist
1. Security scan
scan_security({ rules: ["all"] })
OWASP Top-10 vulnerability scan across the changed scope. If the change touches untrusted data flows, add:
taint_analysis({})
Trace untrusted sources to sensitive sinks (SQL, shell, file system, HTTP).
2. Quality gates on the changed scope
check_quality_gates({ scope: "changed" })
Validates complexity, coverage, duplication, and any project-configured gates on only the files you changed.
3. Antipattern scan
detect_antipatterns({})
Flags N+1 queries, eager loading, inefficient iteration, and language-specific performance footguns.
4. Symbol-level diff for the PR description
compare_branches({ branch: "current" })
Produces a symbol-level diff (functions added/removed/modified, signatures changed, exports changed). Use this as the basis for an accurate PR description instead of a raw line diff.
5. Bug prediction (optional, for risky changes)
predict_bugs({})
get_risk_hotspots({})
Flags files where the combination of high complexity and high churn makes regressions likely. If your change touches a hotspot, add extra tests.
Fix or Escalate
- Critical / High findings: fix before committing. Do not suppress without discussion.
- Medium findings: fix if cheap, otherwise note in the PR description.
- Low / Info findings: note in the PR description.
After Commit
If the commit is part of a larger series, consider:
get_changed_symbols({ since: "<base-ref>" })
to generate an accurate changelog entry grounded in the symbol graph rather than commit messages.
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.
- 1mo ago First seen · 80 lines · 50 tokens per session scan A 6c0357944955
trace-mcp-pre-commit is a skill published in the GitHub repository opencue/cuecards (6 stars, last pushed today), licensed MIT. It adds 50 tokens to every session and 514 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 100% identical to trace-mcp-pre-commit, differing in 0 lines, and is treated as a copy.
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