Borrowing it
Nothing to install: this file belongs to slayer/gcon. 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/slayer/gcon/master/.claude/commands/wil.mdgit clone --depth 1 https://github.com/slayer/gconWrote 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/commands/slayer/gcon/wil)<a href="https://agentmods.dev/commands/slayer/gcon/wil"><img src="https://agentmods.dev/badge/commands/slayer/gcon/wil/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/commands/slayer/gcon/wil"><img src="https://agentmods.dev/badge/commands/slayer/gcon/wil.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00000 | $0.00322 |
| Opus 5.5 | $0.00000 | $0.00129 |
| Sonnet 5.5 | $0.00000 | $0.00064 |
| Haiku 4.5 | $0.00000 | $0.00032 |
Grade A, and why
wil 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 13d 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
What I Learned (WIL)
Analyze the current conversation to identify important lessons, patterns, or insights that should be documented in CLAUDE.md.
Steps
-
Review the conversation history for:
- Debugging sessions that revealed non-obvious issues
- Architectural decisions and their rationale
- Common pitfalls or gotchas discovered
- Best practices that emerged from problem-solving
- Framework/library-specific behaviors (e.g., Bubble Tea, lipgloss)
- Code patterns that worked well or should be avoided
-
For each potential lesson, evaluate:
- Is it specific to this project or generally applicable?
- Would a future developer (or AI) benefit from knowing this?
- Is it already documented in CLAUDE.md?
- Is it non-obvious enough to warrant documentation?
-
Present findings as a structured list with:
- Category (e.g., "Bubble Tea Rendering", "Testing", "Architecture")
- Brief description of the lesson
- Code example if applicable
- Recommendation: whether to add to CLAUDE.md
-
If user approves, propose specific additions to CLAUDE.md with exact location and content.
Output Format
## Lessons Identified
### 1. [Category]: [Brief Title]
**Issue**: What problem was encountered
**Root Cause**: Why it happened
**Solution**: How it was fixed
**Recommendation**: Add to CLAUDE.md? [Yes/No] - [reason]
### 2. ...
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.
- 13d ago First seen · 42 lines · 0 tokens per session scan A 0703413ad63c
wil is a command published in the GitHub repository slayer/gcon (8 stars, last pushed 16d ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 322 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 2026-10-02.
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