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/ruchernchong/claude-kit/commitnpx skills add ruchernchong/claude-kit --skill commitgit clone --depth 1 https://github.com/ruchernchong/claude-kitWhat 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 | $0.00010 | $0.00736 |
| Opus 5 | $0.00005 | $0.00368 |
| Sonnet 5 | $0.00002 | $0.00147 |
| Haiku 4.5 | $0.00001 | $0.00074 |
Grade A, and why
commit scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured yesterday.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 74 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Pre-Commit Security Check
Before committing, ensure GitLeaks is configured in the project:
- Check for Husky setup: Look for
.husky/pre-commit - Verify GitLeaks integration: Check if
gitleaks protectis in the pre-commit hook - Auto-configure if missing:
- If
.husky/exists but GitLeaks is missing, addgitleaks protect --staged --verbosebefore anylint-stagedcommand - If
.husky/doesn't exist, runnpx husky initfirst, then configure GitLeaks
- If
Example .husky/pre-commit with GitLeaks:
#!/usr/bin/env sh
. "$(dirname -- "$0")/_/husky.sh"
# Secrets detection - fail fast if secrets found
gitleaks protect --staged --verbose
# Lint staged files (if present)
npx lint-staged
Only proceed with the commit after confirming GitLeaks is properly configured.
Language Conventions
Infer language style from the project:
- Analyze existing commit messages, documentation, and code comments to detect the project's language variant (US English, UK English, etc.)
- Match the spelling conventions found in the project (e.g., "organize" vs "organise", "color" vs "colour")
- Maintain consistency with the project's established language style throughout commit messages
Create git commits with a balanced approach - keep related changes together, split only when potentially huge:
COMMIT MESSAGE RULE: ALWAYS use short messages (max 50 characters)
- Pull latest changes from remote to ensure branch is up to date (git pull)
- Show current git status and analyse all changes
- Check conversation context for GitHub issue references:
- If a GitHub issue is mentioned in the conversation, determine if changes close the issue (complete implementation) or relate to it (partial work)
- Add appropriate footer: "Closes #123" or "Relates to #123"
- If no issue is mentioned in context, proceed without issue reference
- Assess the scope of changes:
- Small to medium changes: Keep related changes in a single commit
- Large changes: Only split when the changeset is potentially huge and mixing unrelated functionality
- For normal commits:
- Stage all related changes together
- Create ONE short, descriptive commit message (max 50 characters)
- Focus on the main purpose of the change
- Add GitHub issue footer if applicable (from step 3)
- For huge changesets only:
- Group by major functional areas
- Stage files by logical groups
- Create separate commits for distinct features/fixes
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.
- yesterday First seen · 74 lines · 10 tokens per session scan A bf57951d445b
commit is a skill published in the GitHub repository ruchernchong/claude-kit (0 stars, last pushed 3mo ago), licensed MIT. It adds 10 tokens to every session and 736 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 2026-09-01.
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