Sonify GF(3) color streams via CatSharp scale. Maps Gay.jl colors to pitch classes and plays through sox. Includes metairony mode and Hydra flow grokking.

Causal mediation analysis to identify which model components mediate specific behaviors. Use when investigating how information flows through the network and which neurons or layers are causally responsible for outputs.

Query the China Biographical Database (CBDB) API to retrieve comprehensive biographical data about historical Chinese figures. Use this skill when searching for information about Chinese historical figures, scholars, officials, or literary figures from the 7th century BCE through the 19th century CE. Applicable for queries about biographical details, social relationships, official positions, or when users mention specific Chinese names or CBDB person IDs.

Comprehensive Chrome DevTools automation for performance testing, Core Web Vitals measurement (INP, LCP, CLS), network monitoring, accessibility validation, responsive testing, and browser automation. Uses Chrome DevTools Protocol via MCP to provide professional-grade web application testing, debugging, and analysis capabilities including performance tracing, HAR export, device emulation, and multi-page workflows.

Guide systematic debugging using scientific method: STABILIZE -> HYPOTHESIZE -> EXPERIMENT -> FIX -> TEST -> SEARCH. Two modes: CHECKER audits debugging approach (outputs status table with violations/warnings), APPLIER guides when stuck (outputs stabilization strategy, hypothesis formation, fix verification). Use when encountering ANY bug, error, test failure, crash, wrong output, flaky behavior, race condition, regression, timeout, hang, or code behavior differing from intent. Triggers on: debug, fix, broken, failing, investigate, figure out why, not working, it doesn't work, something's wrong.

This skill should be used when starting any feature or bug fix, exploring unfamiliar code, making commits or PRs, or when unsure which agent or approach to use. Covers agent routing, git discipline, testing workflow, and proactive quality practices.

This skill should be used when users want to create, configure, or debug Claude Code hooks. Hooks are shell commands that execute at various points in Claude Code's lifecycle (PreToolUse, PostToolUse, Stop, SessionStart, etc.). Use this skill when users ask to create custom automation, file protection, code formatting hooks, notifications, or any lifecycle-based triggers for Claude Code.

Audit integration strategy and daily build processes (CHECKER) or select optimal integration approach and configure CI/CD (APPLIER). Use when integrating components, planning integration order, setting up build processes, or diagnosing integration failures. Triggers on: integration hell, late-stage defects, unclear integration order, no daily build, broken builds, Big Bang integration, smoke test stale. Produce integration strategy recommendations, build process configuration, 13-item checklist assessment with severity ratings.

Extend marketplace plugins with project-specific context using `.local.md` files. These files bridge general plugin skills to a specific codebase.

Automatically discover testing skills when working with testing. Activates for testing development tasks.

Refactor codebases using Design by Typed Holes methodology - iterative, test-driven refactoring with formal hole resolution, constraint propagation, and continuous validation. Use when refactoring existing code, optimizing architecture, or consolidating technical debt through systematic hole-driven development.

Complete guide for separating meta-configurations (Claude Code tool configuration) from domain configurations (project implementation). Learn how to avoid conflicts when working with multiple projects, especially those using agent SDKs/ADKs like Google ADK, LangChain, or Anthropic SDK. Covers namespace isolation, prefixing conventions, CLAUDE.md hierarchy, scope declaration, and conflict detection strategies.

Specialized guidance for developing cc-sessions API commands and subsystems for state management, task operations, configuration, and protocol execution

Specialized guidance for creating, modifying, and debugging cc-sessions hooks that enforce DAIC discipline, write-gating, and framework integrity

Project Guidelines Skill (Example)

Use when creating project rules, adding .claude/rules/*.md files, or scoping rules to specific files with globs for token efficiency.

Systematic debugging with Linear integration and structured troubleshooting workflow.

Meta-skill for creating new CCPM skills with proper structure and conventions.

This skill generates self-contained p5.js celebration animations for educational MicroSims. Use this skill when users request creating new celebration animations, particle effects, reward animations, or visual feedback for student achievements. The skill creates a new animation JavaScript file in /docs/sims/shared/animations/ and integrates it with the animation-lib-tester MicroSim for testing.

Celery configuration templates for all frameworks (Django, Flask, FastAPI, standalone). Use when configuring Celery, setting up task queues, creating Celery apps, integrating with frameworks, or when user mentions Celery configuration, task queue setup, broker configuration, or framework integration.

Expert Celery distributed task queue engineer specializing in async task processing, workflow orchestration, broker configuration (Redis/RabbitMQ), Celery Beat scheduling, and production monitoring. Deep expertise in task patterns (chains, groups, chords), retries, rate limiting, Flower monitoring, and security best practices. Use when designing distributed task systems, implementing background job processing, building workflow orchestration, or optimizing task queue performance.

Formal verification using Certora Prover with CVL specification language. Supports invariant rules, parametric verification, ghost variables, and counterexample analysis for mathematical proof of contract correctness.

FAST code generation via Z.ai glm-4.6 model. Use for rapid test generation, boilerplate code, repetitive patterns, and bulk file creation. Ideal when speed matters more than nuance. Do NOT use for complex architectural decisions or security-critical code.

Coordinates FAST code generation via Z.ai glm-4.6 with CodeSearch pattern learning. Use when agents need rapid test generation, bulk code creation, or repetitive boilerplate. Tracks successful prompts for continuous improvement. Ideal for high-volume, low-complexity code tasks.

FAST code generation via mcp__cerebras-mcp__write tool using Z.ai glm-4.6. Use for rapid test generation, boilerplate creation, and bulk code tasks in main chat. Prompt must be SHORTER than output. Ideal for tests, CRUD, migrations, and repetitive patterns.

Classify tasks (type/domain), estimate complexity/iterations, recommend specialists from feedback themes

Classify tasks, initialize structured configs with scope boundaries, decompose complex tasks

Use when facing decisions with multiple legitimate perspectives and inherent tensions. Invoke when stakeholders have competing priorities (growth vs. sustainability, speed vs. quality, innovation vs. risk), need to pressure-test ideas from different angles before committing, exploring tradeoffs between incompatible values, synthesizing conflicting expert opinions into coherent strategy, or surfacing assumptions that single-viewpoint analysis would miss.

- [Purpose](#purpose)

Analyze LinkedIn profiles in target accounts to identify potential internal champions. Evaluates role, career path, mutual connections, interests, and suggests personalization approach. Use when you need to find who will champion your solution internally.

change-impact-analyzer

A practical framework to map change dependencies and blast radius, including who/what is affected, what to test, rollout/rollback strategies, and stakeholder ownership

Perform post-merge integration tasks after a code PR is successfully merged. This skill completes the development cycle by moving approved specs from `docs/changes/` to `docs/specs/`, updating the ret

Specifies bugs, upgrades, refactors, and behavioral changes as explicit deltas against existing feature specifications, preserving original intent while defining what changes, what remains unchanged, and how correctness is verified.

Use when segmenting time-series into regimes, detecting structural breaks, or constructing context sets for few-shot learning. Covers GP-CPD algorithms, Matérn kernels, likelihood ratio tests, regime identification, market state transitions, volatility regime changes, and trend reversals in financial markets.

Classify a change set as behavior vs structure, then recommend the correct PR label (change:behavior or change:structure) and the appropriate local/CI checks. Use when the user asks whether a change is a behavior change or a structure change, what label to apply, or how CI/testing should differ based on change type.

Update app ChangeLog entries under apps/*/ChangeLog and keep app version metadata in sync. Use when updating app versions or recording app-level changes; touches apps/*/ChangeLog and apps/*/src/*.app.src.

Keep a Changelog format guidelines and entry writing best practices. Use when writing changelog entries, updating CHANGELOG.md, or following Keep a Changelog specification.

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Update the repository root ChangeLog and keep the root release version metadata in sync. Use when updating the root version or syncing subsystem/package version lists in ChangeLog; touches ChangeLog at repo root and the release version in rebar.config. If you are not sure which changelog-* skill to read, read this first.

Generate social media announcements for Discord, Twitter, and LinkedIn from the latest changelog entry. Use when user asks to create release announcements, social posts, or share changelog updates. Reads CHANGELOG.md in current working directory. Reference examples/ for tone and format.

Maintain CHANGELOG.md with properly categorized entries. Use after implementing features, fixing bugs, or making any notable changes. Follows Keep a Changelog format.

Check available messaging channels, channel capabilities, and channel configuration for Sinch Conversation API. Use when the user asks which channels are available, what channels can be used, how to reach someone, what messaging options exist, or channel capabilities for a contact or app.

Auto-tune channel parameters to find optimal offset, squelch, and AGC settings for best audio quality. Use when setting up new channels, improving weak signals, or finding the sweet spot for demodulation settings.

Expert in resilience testing, fault injection, and building anti-fragile systems using controlled experiments.

Use when designing chaos experiments, implementing failure injection frameworks, or conducting game day exercises. Invoke for chaos experiments, resilience testing, blast radius control, game days, antifragile systems.

Use when implementing chaos engineering, designing fault injection experiments, or building resilience testing practices. Covers chaos principles and experiment design.

Chaos engineering principles, controlled failure injection, resilience testing, and system recovery validation. Use when testing distributed systems, building confidence in fault tolerance, or validating disaster recovery.

Plan fault injection and resilience tests.