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 agents/paulbreuler/limps/003-npm-postinstallgit clone --depth 1 https://github.com/paulbreuler/limpsWrote 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/agents/paulbreuler/limps/003-npm-postinstall)<a href="https://agentmods.dev/agents/paulbreuler/limps/003-npm-postinstall"><img src="https://agentmods.dev/badge/agents/paulbreuler/limps/003-npm-postinstall.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 | $0.00000 | $0.00341 |
| Opus 5 | $0.00000 | $0.00170 |
| Sonnet 5 | $0.00000 | $0.00068 |
| Haiku 4.5 | $0.00000 | $0.00034 |
Grade A, and why
003-npm-postinstall 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 3d 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
Agent 003: npm Postinstall Hook
Objective
Auto-install skills when @sudosandwich/limps is installed via npm.
Tasks
-
Create install script (
scripts/install-skills.ts)- Detect global vs local installation
- Read config from package.json
limps.skills - Call exporter for configured targets
- Handle errors gracefully (don't fail install)
-
Update package.json
- Add
postinstallscript - Add
limps.skillsconfiguration section - Document in README
- Add
-
Configuration schema
{ "limps": { "skills": { "autoInstall": true, "targets": ["claude"], "skills": ["limps-planning"] } } }
Acceptance Criteria
-
npm install @sudosandwich/limpsauto-installs skills -
npm install -g @sudosandwich/limpsinstalls to global dirs -
--ignore-scriptsskips auto-install - Config can disable auto-install
- Errors are logged but don't fail installation
Edge Cases
- No write permission to target directory
- Skill already exists (skip unless forced)
- Target directory doesn't exist (create it)
- Invalid config (use defaults)
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.
- 3d ago First seen · 58 lines · 0 tokens per session scan A b933a33bbc88
003-npm-postinstall is an agent published in the GitHub repository paulbreuler/limps (10 stars, last pushed 6mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 341 tokens. 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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