Borrowing it
Nothing to install: this file belongs to searlsco/prove_it. 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/searlsco/prove_it/main/.claude/skills/test-local/SKILL.mdgit clone --depth 1 https://github.com/searlsco/prove_itWrote 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/searlsco/prove_it/test-local)<a href="https://agentmods.dev/skills/searlsco/prove_it/test-local"><img src="https://agentmods.dev/badge/skills/searlsco/prove_it/test-local.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 5.1 | $0.00033 | $0.00556 |
| Opus 5 | $0.00016 | $0.00278 |
| Sonnet 5 | $0.00007 | $0.00111 |
| Haiku 4.5 | $0.00003 | $0.00056 |
Grade D, and why
test-local scanned grade D with 2 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 7d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Reads agent configuration directoriesmediumAgent snooping
.claude/, .codex/, .gemini/ hold keys, settings and other credentials a mod has no legitimate need for.
cat .claude/prove_it/config.json Recursive force deletehighDestructive command
rm -rf with a variable or a broad path is one typo away from removing the wrong tree.
rm -rf "$tmpdir" What it actually says
Test prove_it locally
Run prove_it from the repo source (not the Homebrew install) to test hook behavior.
Steps
-
Identify the test target. If the user didn't specify, use
example/basic/. -
Set up the PATH shim so
prove_itresolves to the repo'scli.js:export PATH="$(git rev-parse --show-toplevel)/test/bin:$PATH" which prove_it # should show test/bin/prove_it -
Run the requested test. Common scenarios:
Test a specific hook event:
cd example/basic echo '{"hook_event_name":"Stop","session_id":"test","cwd":"."}' | prove_it hook claude:StopTest SessionStart:
echo '{"hook_event_name":"SessionStart","source":"startup","session_id":"test","cwd":"."}' | prove_it hook claude:SessionStartTest PreToolUse (edit protection):
echo '{"hook_event_name":"PreToolUse","tool_name":"Edit","tool_input":{"file_path":"src/greet.js"},"session_id":"test","cwd":"."}' | prove_it hook claude:PreToolUseTest PreToolUse (commit gate):
echo '{"hook_event_name":"PreToolUse","tool_name":"Bash","tool_input":{"command":"git commit -m test"},"session_id":"test","cwd":"."}' | prove_it hook claude:PreToolUseTest init in a temp directory:
tmpdir=$(mktemp -d) cd "$tmpdir" && git init prove_it init --no-default-checks cat .claude/prove_it/config.json prove_it deinit rm -rf "$tmpdir"Test doctor:
cd example/basic prove_it doctor -
Report the output and whether the behavior matches expectations.
Notes
- The shim at
test/bin/prove_itjust doesexec node ../../cli.js "$@" - All
$(prove_it prefix)/libexec/*commands in configs will also resolve through the shim - This tracks with the current git ref—check out any commit to test that version
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.
- 7d ago First seen · 66 lines · 33 tokens per session scan D 12fdfe246671
test-local is a skill published in the GitHub repository searlsco/prove_it (199 stars, last pushed 4mo ago), licensed MIT. It adds 33 tokens to every session and 556 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it D with 2 findings (reads agent configuration directories, recursive force delete). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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