Skill Claude CodeCodex
Edits prose for grammar, spelling, punctuation, clarity, concision, and consistent style while preserving the author's meaning, voice, and intent. Use this skill when the user asks to proofread, copyedit, polish, clean up, tighten, fix grammar in, or improve the readability of text such as emails, essays, blog posts…
Skill Claude CodeCodex
Coaches a speaker to prepare and deliver a talk, presentation, toast, or pitch — shaping a core message and narrative arc, structuring the talk, writing a strong open and close, tightening delivery, and managing nerves and Q&A. Use this skill when a user asks to "help me with a speech", "prepare a talk/presentation"…
Skill Claude CodeCodex
Designs end-to-end retrieval-augmented generation (RAG) systems by making principled choices for chunking, embeddings, vector indexing, retrieval, reranking, prompt assembly, and offline evaluation. Use this skill when the user wants to build or improve a RAG pipeline, asks about chunking strategy, embedding model…
Skill Claude CodeCodex
Generates polished, well-structured project READMEs with badges, a one-line tagline, quick-start, installation, usage examples, configuration tables, contribution guidelines, and a license section. Use this skill when the user asks to "write a README", "generate a README", "create README.md", "improve my README", "add…
Skill Claude CodeCodex
Applies safe, incremental, behavior-preserving refactorings (extract function/variable, rename, inline, decompose conditionals, remove duplication, replace conditional with polymorphism, introduce parameter object) using a test-protected, small-step workflow. Use this skill when the user asks to "refactor", "clean…
Skill Claude CodeCodex
Designs, explains, hardens, and tests regular expressions for parsing and validation tasks (emails, URLs, dates, IPs, log lines, CSV fields, identifiers, etc.) while actively defending against catastrophic backtracking (ReDoS). Use this skill when the user asks to "write a regex", "build/fix a regular expression"…
Skill Claude CodeCodex
Transforms merged pull requests, commit logs, and changelog entries into clear, user-facing release notes grouped into Features, Improvements, Bug Fixes, and Breaking Changes. Use this skill when asked to "write release notes", "draft a changelog", "summarize this release", "turn these PRs/commits into release notes"…
Skill Claude CodeCodex
Writes and rewrites high-impact resumes and CVs that pass ATS screening and win recruiter attention — translating raw work history into quantified, outcome-driven bullet points, choosing the right format, and tailoring to a target role. Use this skill when a user asks to "write my resume", "fix my CV", "make my resume…
Skill Claude CodeCodex
Coaches a candidate or employee through compensation negotiation — researching market ranges, anchoring, countering an offer, negotiating the full package (base, bonus, equity, signing, benefits), and scripting the conversation. Use this skill when a user asks to "negotiate my salary", "I got a job offer, what do I…
Skill Claude CodeCodex
Detects, prevents, and remediates leaked credentials and teaches safe secret handling using environment variables, vaults (HashiCorp Vault, AWS/GCP/Azure secret stores), KMS envelope encryption, and rotation. Use this skill when a user mentions hardcoded API keys, passwords, tokens, or .env files in code; asks how to…
Skill Claude CodeCodex
Performs a security-focused review of code or a diff, hunting for injection, broken authentication/authorization, insecure crypto, hardcoded secrets, unsafe deserialization, SSRF, path traversal, and missing input validation, with exploit scenarios and concrete fixes ranked by severity. Use this skill when the user…
Skill Claude CodeCodex
Defines modern authentication and password policies aligned with NIST SP 800-63B, covering minimum length, blocklist/breach screening, rate limiting, MFA, password storage hashing, and account recovery. Use this skill when asked to "write a password policy", "review our authentication requirements", "implement NIST…