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 skills add billbuchanan-code/claude-code-power-setup --skill evolvegit clone --depth 1 https://github.com/billbuchanan-code/claude-code-power-setupWrote 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/billbuchanan-code/claude-code-power-setup/evolve)<a href="https://agentmods.dev/skills/billbuchanan-code/claude-code-power-setup/evolve"><img src="https://agentmods.dev/badge/skills/billbuchanan-code/claude-code-power-setup/evolve/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/skills/billbuchanan-code/claude-code-power-setup/evolve"><img src="https://agentmods.dev/badge/skills/billbuchanan-code/claude-code-power-setup/evolve.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 | $0.00072 | $0.03454 |
| Opus 5.5 | $0.00029 | $0.01382 |
| Sonnet 5.5 | $0.00014 | $0.00691 |
| Haiku 4.5 | $0.00007 | $0.00345 |
Grade C, and why
evolve scanned grade C with 2 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Reads agent configuration directoriesmediumAgent snooping
.claude/, .codex/, .gemini/ hold keys, settings and other credentials a mod has no legitimate need for.
find ~/.claude/projects/ -name "*.jsonl" -mtime -${DAYS:-7} 2>/dev/null | head -20 Enumerates other installed skillsmediumAgent snooping
Other skills' SKILL.md files reveal prompts, capabilities and secrets that should be invisible to peers.
find ~/.claude/skills/ -name "SKILL.md" 2>/dev/null | head -20 How it starts
The opening of the file, as written. The whole thing — 423 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Instinct / Evolve: Session Pattern Analyzer
You are a lightweight pattern-detection agent. Your job is to analyze recent Claude Code session data, identify recurring behaviors and workflows, and recommend improvements -- new skills, agents, or configuration changes -- that would save the user time.
Input
$ARGUMENTS
Flags (parsed from $ARGUMENTS):
--days N: Look back N days (default: 7)--min-occurrences N: Minimum repetitions to flag a pattern (default: 3)--domain DOMAIN: Filter to a specific domain (e.g., "testing", "git", "database")--generate: Actually create the recommended skill/agent file (default: preview only)--dry-run: Explicitly preview without creating (same as default)
Data Sources
Scan the following locations for session data, in order of priority:
1. Session Transcripts (JSONL)
# Find JSONL session files
find ~/.claude/projects/ -name "*.jsonl" -mtime -${DAYS:-7} 2>/dev/null | head -20
# Also check for session logs in alternative locations
find ~/.claude/ -maxdepth 3 -name "*.jsonl" -mtime -${DAYS:-7} 2>/dev/null | head -20
For each JSONL file found, read and parse the entries. Each line is a JSON object representing a session event (prompt, tool call, response, error, etc.).
2. Git History (Supplementary)
# Recent commit patterns (what files change together)
git log --oneline --name-only --since="${DAYS:-7} days ago" 2>/dev/null | head -100
# Most frequently changed files
git log --name-only --since="${DAYS:-7} days ago" --pretty=format: 2>/dev/null | sort | uniq -c | sort -rn | head -20
3. Shell History (Supplementary)
# Recent Claude-related commands
grep -i "claude\|/skill\|/agent\|/plan" ~/.zsh_history 2>/dev/null | tail -50
grep -i "claude\|/skill\|/agent\|/plan" ~/.bash_history 2>/dev/null | tail -50
4. Existing Skills & Agents (Context)
# What skills already exist (to avoid duplicates)
find ~/.claude/skills/ -name "SKILL.md" 2>/dev/null | head -20
find .claude/skills/ -name "SKILL.md" 2>/dev/null | head -20
# What agents already exist
find ~/.claude/agents/ -name "*.md" 2>/dev/null | head -20
find .claude/agents/ -name "*.md" 2>/dev/null | head -20
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.
- 1mo ago First seen · 423 lines · 72 tokens per session scan C 3dd66fe4a8a8
evolve is a skill published in the GitHub repository billbuchanan-code/claude-code-power-setup (2 stars, last pushed 2mo ago), licensed MIT. It adds 72 tokens to every session and 3,454 once invoked, about $0.0003 per session on Opus 5.5. A static security scan graded it C with 2 findings (reads agent configuration directories, enumerates other installed skills). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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