Test and validate API contracts against specifications

Request clarification when input is ambiguous. Use when user request has missing parameters, conflicting interpretations, or insufficient constraints for reliable execution.

Check correctness against tests, specs, or invariants; produce pass/fail evidence. Use when validating changes, testing hypotheses, checking invariants, or confirming behavior matches expectations.

Generate a high-level TLA+ model from source code (C, C++, Rust, etc.). Analyzes code to understand its purpose, creates abstractions, writes TLA+ specification, and proposes invariants and...

Create feature specification from natural language description

Convert data between formats, schemas, or representations with explicit loss accounting and validation. Use when reformatting data, mapping between schemas, normalizing inputs, or translating structures.

Create technical implementation plan from feature specification

Find failure modes, edge cases, ambiguities, and exploit paths in plans, code, or designs. Use when reviewing proposals, auditing security, stress-testing logic, or validating assumptions.

Generate custom checklist for the current feature based on user requirements

Define how state changes over time through rules, triggers, and effects. Use when modeling state machines, defining workflows, specifying event handlers, or documenting system dynamics.

Execute the implementation plan by processing and executing all tasks defined in tasks.md

Produce clear reasoning with assumptions, causal chains, and evidence. Use when clarifying decisions, teaching concepts, justifying recommendations, or documenting rationale.

Tailwind CSS v4 patterns for styling Next.js applications. This skill should be used when styling components, creating responsive layouts, implementing design systems, or working with custom...

Enforce policies, guardrails, and permission boundaries; refuse unsafe actions and apply least privilege. Use when evaluating actions against policies, checking permissions, or reducing scope to...

Fetch and read markdown files from the internet with support for partial content extraction and intelligent section ranking. Use when Claude needs to retrieve markdown documentation from URLs and...

Use when completing tasks, implementing major features, or before merging to verify work meets requirements - dispatches superpowers:code-reviewer subagent to review implementation against plan or...

Create or update feature specification from natural language feature description

Anchor claims to evidence from authoritative sources. Use when validating assertions, establishing provenance, verifying facts, or ensuring claims are supported by evidence.

A great product that nobody knows about is a failed product. Go-to-market strategy is how you get your product into customers' hands. Not marketing in the abstract - specific motions, channels,...

Customize resume for specific job postings while maintaining truthfulness