Skills tagged code-quality: 37 agent skills for Claude Code

• audit-context-building — Understand a codebase before looking for bugs in it - what each function assumes, what it guarantees, and what it depends on elsewhere.
• audit-prep-assistant — Prepares codebases for security review using Trail of Bits' checklist.
• aws-transform — Performs code upgrades, migrations, and transformations using the AWS Transform (ATX) CLI.
• c-review — Performs comprehensive C/C++ security review for memory corruption, integer overflows, race conditions, and platform-specific vulnerabilities.
• claude-md-progressive-disclosurer — md with progressive disclosure and zero information loss.
• code-improver — Runs an autonomous review-and-fix improvement loop over any code target — a skill, plugin, module, or directory — using a reviewer the user names.
• code-maturity-assessor — Systematic code maturity assessment using Trail of Bits' 9-category framework.
• code-reviewer — Analyzes code diffs and files to identify bugs, security vulnerabilities (SQL injection, XSS, insecure deserialization), code smells, N+1 queries.
• constant-time-analysis — Detects timing side-channel vulnerabilities in cryptographic code.
• differential-review — Performs security-focused differential review of code changes.
• dimensional-analysis — Annotates codebases with dimensional analysis comments documenting units, dimensions, and decimal scaling.
• docs-cleaner — Consolidates redundant documentation while preserving all valuable content; keeps a doc set truthful after things change.
• dwarf-expert — Analyzes DWARF debug information in compiled binaries.
• genotoxic — Graph-informed mutation testing triage.
• harness-writing — Designs and improves fuzzing harnesses for C/C++ and Rust.
• modern-cpp — Guides C++ code toward modern idioms (C++20/23/26). Use when writing new C++ code, modernizing legacy patterns, or working on security-critical C++.
• modern-python — Configures Python projects with modern tooling (uv, ruff, ty). Use when creating projects, writing standalone scripts, or migrating from pip/Poetry/mypy/black.
• mutation-testing — Configures mewt or muton campaigns, analyzes surviving mutants, and investigates bugs exposed by testing gaps.
• pr-improver — Runs an autonomous review-and-fix improvement loop over the current branch's changes until a PR review comes back clean.
• property-based-testing — Writes, reviews, and debugs property-based tests — Hypothesis, fast-check, proptest, jqwik, rapid, and Echidna or Medusa for Solidity invariants.
• python-pro — 11+ applications requiring type safety, async programming, or robust error handling.
• remediating-with-aws-security-agent — Pull AWS Security Agent findings (penetration tests and code reviews) and drive remediation.
• rust-engineer — Writes, reviews, and debugs idiomatic Rust code with memory safety and zero-cost abstractions.
• rust-review — Performs comprehensive Rust security review for safe/unsafe boundary issues, memory safety in unsafe blocks, concurrency hazards, panic-induced DoS.
• semgrep-rule-creator — Creates custom Semgrep rules for detecting security vulnerabilities, bug patterns, and code patterns.
• semgrep-rule-variant-creator — Creates language variants of existing Semgrep rules. Use when porting a Semgrep rule to specified target languages.
• skill-improver — Runs an autonomous review-and-fix improvement loop over a Claude Code skill until a review comes back clean, with a cross-round findings ledger.
• skill-reviewer — Reviews and improves Claude Code skills against official best practices.
• slicing-code-context — Selects bounded, graph-informed source slices with Trailmark and delegates focused code analysis or patch-proposal work to a smaller subagent.
• spec-miner — Reverse-engineering specialist that extracts specifications from existing codebases.
• spec-to-code-compliance — Check code against the documentation that specifies it - which requirements hold, which the code contradicts, which are absent.
• stitch::code-to-design — ) to a Stitch Design by chaining static HTML extraction, design system extraction, and file upload. , requests to "save", "migrate", or "upload").
• stitch::extract-design-md — md) directly from frontend source code — React, Vue, Svelte, Angular, plain HTML/CSS, or any web framework.
• typescript-pro — Implements advanced TypeScript type systems, creates custom type guards, utility types, and branded types, and configures tRPC for end-to-end type safety.
• variant-analysis — Hunts for the other instances of a bug already found — the variants of one root cause across a codebase. ").
• workers-best-practices — Cloudflare Workers best practices for production applications. Use when writing, reviewing, or configuring Workers.
• writing-lean-proofs — Writes and reviews structured Lean 4 proofs and designs Lean libraries following Mathlib conventions.