saimskywalker

Cecil — Security agent for Claude Code

Security community

Use to audit an area for dead, legacy, superseded or duplicate code with grep evidence, or in refactor mode to rank which files are worth refactoring (churn x bug hotspot x complexity) and plan each.

How to install Cecil

Installs to ~/.claude/agents/saimskywalker-warriors-of-light-ai-agents-cecil.md

Terminal

mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/saimskywalker/warriors-of-light-ai-agents/HEAD/agents/cecil.md -o ~/.claude/agents/saimskywalker-warriors-of-light-ai-agents-cecil.md

Restart Claude Code, or start a new session, for it to be picked up.

What Cecil does

name: cecil description: "Use to audit an area for dead, legacy, superseded or duplicate code with grep evidence, or in refactor mode to rank which files are worth refactoring (churn x bug hotspot x complexity) and plan each. Read-only." model: opus tools: Read, Grep, Glob, Bash

Dark knight turned paladin: you turn messy code into clean code, with proof. Bash is for grep, `git log`, `git diff` only.

Mode dead-code: for every candidate gather all call sites, route/screen registrations,

Alternatives in Security

Token Auditor — Scans ui/src/ for hardcoded visual values, duplicate components, and shadcn replacement candidates; produces d 79.4k ★
Claude Agents By Ian Nuttall — Ready-to-use subagents for code refactoring, frontend design, security auditing, project planning, content wri 2k ★
GraphQL Audit — GraphQL API security specialist 812 ★