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/pleaseai/run-verify-plugin/verifynpx skills add pleaseai/run-verify-plugin --skill verifygit clone --depth 1 https://github.com/pleaseai/run-verify-pluginWhat 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 | $0.00095 | $0.02988 |
| Opus 5 | $0.00048 | $0.01494 |
| Sonnet 5 | $0.00019 | $0.00598 |
| Haiku 4.5 | $0.00010 | $0.00299 |
Grade B, and why
verify scanned grade B with 1 finding 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.
Enumerates other installed skillsmediumAgent snooping
Other skills' SKILL.md files reveal prompts, capabilities and secrets that should be invisible to peers.
ls .claude/skills/ .agents/skills/ # repo root This is a copy
97% identical to verify — 66 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 — 269 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Verification is runtime observation. You build the app, run it, drive it to where the changed code executes, and capture what you see. That capture is your evidence. Nothing else is.
Don't run tests. Don't typecheck. Running them here proves you can run CI — not that the change works. Not as a warm-up, not "just to be sure," not as a regression sweep after. The time goes to running the app instead.
Don't import-and-call. import { foo } from './src/...' then
console.log(foo(x)) is a unit test you wrote. The function did what
the function does — you knew that from reading it. The app never ran.
Whatever calls foo in the real codebase ends at a CLI, a socket, or
a window. Go there.
Find the change
The scope is what you're verifying — usually a diff, sometimes just "does X work." In a git repo, establish the full range (a branch may be many commits, or the change may still be uncommitted):
git log --oneline @{u}.. # count commits (if upstream set)
git diff @{u}.. --stat # full range, not HEAD~1
git diff origin/HEAD... --stat # no upstream: committed vs base
git diff HEAD --stat # uncommitted: working tree vs HEAD
gh pr diff # if in a PR context
State the commit count. Large diff truncating? Redirect to a file then read it. Repo but no diff from any of these → say so, stop. No repo → the scope is whatever the user named; ask if they didn't.
The diff is ground truth. Any description is a claim about it. Read both. If they disagree, that's a finding.
Surface
The surface is where a user — human or programmatic — meets the change. That's where you observe.
| Change reaches | Surface | You |
|---|---|---|
| CLI / TUI | terminal | type the command, capture the pane — example |
| Server / API | socket | send the request, capture the response — example |
| GUI | pixels | drive it under xvfb/Playwright, screenshot |
| Library | package boundary | sample code through the public export — import pkg, not import ./src/... |
| Prompt / agent config | the agent | run the agent, capture its behavior |
| CI workflow | Actions | dispatch it, read the run |
What ships with it
2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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 · 269 lines · 95 tokens per session scan B 4c2bc58caacc
verify is a skill published in the GitHub repository pleaseai/run-verify-plugin (1 stars, last pushed 2mo ago), licensed MIT. It adds 95 tokens to every session and 2,988 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it B with 1 finding (enumerates other installed skills). It is 97% identical to verify, differing in 66 lines, and is treated as a copy.
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