A test-running helper that detects the project's test command and reports passed, failed, and skipped tests.

Running tests in Node.js, Python, Go, Rust, or another project type, then summarising failures and suggesting obvious fixes.

It shows whether the existing automated tests pass and identifies where failures occur.

run-tests — Skill by zjshen14

Install

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.

agentmods

npx agentmods add skills/zjshen14/opencli/run-tests

Any agent

npx skills add zjshen14/opencli --skill run-tests

Clone the repo

git clone --depth 1 https://github.com/zjshen14/opencli

Made for: Claude Code, Codex.

Per session 23 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 306 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. Scan, not verified.

Origin original No closer match found in the catalogue.

Token cost

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	$0.00023	$0.00306
Opus 5	$0.00012	$0.00153
Sonnet 5	$0.00005	$0.00061
Haiku 4.5	$0.00002	$0.00031

Measured 2d ago against content hash 49264b5c1531, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

run-tests 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 2d 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.

src/skills/builtin/run-tests/SKILL.md · 29 lines

What it actually says

Run the test suite for this project.

Project manifest (for test command detection): !{cat package.json 2>/dev/null | python3 -c "import sys,json; s=json.load(sys.stdin).get('scripts',{}); print('\n'.join(f'{k}: {v}' for k,v in s.items() if 'test' in k))" 2>/dev/null || grep -E '^test' Makefile 2>/dev/null | head -5 || echo "(no manifest found)"}

Task: $ARGUMENTS

Steps:

Detect the test command from the project manifest:
- Node.js: npm test or the test script in package.json
- Python: pytest or python -m pytest
- Go: go test ./...
- Rust: cargo test
- Other: check Makefile or CI config (.github/workflows/)
Run the test suite and capture output
Summarise: total passed / failed / skipped
For each failure: show test name, error message, and the most relevant stack frame
If failures are obvious to fix, suggest the fix — but do not apply it without instruction

Do not guess the test command — always read the manifest first.

Changes

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.

2d ago First seen · 29 lines · 23 tokens per session scan A 49264b5c1531

Subscribe to this mod's changes

run-tests is a skill published in the GitHub repository zjshen14/opencli (2 stars, last pushed 9d ago), licensed MIT. It adds 23 tokens to every session and 306 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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