ECC

In the author's own words, from each skill's SKILL.md — showing the first 30 of 1027 files.

• accessibility

  Design, implement, and audit accessible UI to WCAG 2.2 Level AA across Web, iOS, and Android — semantic ARIA roles and labels, accessibility traits and hints, focus management, contrast, target size, and screen-reader support. Use when building or auditing UI for accessibility compliance, keyboard navigation, or screen-reader support.

  skills/accessibility/SKILL.md on GitHub (opens in a new tab)

• agent-architecture-audit

  Full-stack diagnostic for agent and LLM applications. Audits the 12-layer agent stack for wrapper regression, memory pollution, tool discipline failures, hidden repair loops, and rendering corruption. Produces severity-ranked findings with code-first fixes. Essential for developers building agent applications, autonomous loops, or any LLM-powered feature. Use when an agent or LLM feature misbehav…

  skills/agent-architecture-audit/SKILL.md on GitHub (opens in a new tab)

• agent-eval

  Head-to-head comparison of coding agents (Claude Code, Aider, Codex, etc.) on custom tasks with pass rate, cost, time, and consistency metrics. Use when choosing between coding agents, or when a change to an agent setup needs measured pass rate, cost, and time rather than an impression.

  skills/agent-eval/SKILL.md on GitHub (opens in a new tab)

• agent-harness-construction

  Design and optimize AI agent action spaces, tool definitions, and observation formatting for higher completion rates. Use when defining or revising an agent's tool set, action space, or observation format.

  skills/agent-harness-construction/SKILL.md on GitHub (opens in a new tab)

• agent-introspection-debugging

  Structured self-debugging workflow for AI agent failures using capture, diagnosis, contained recovery, and introspection reports. Use when an agent run fails and you need a reproducible diagnosis instead of a retry.

  skills/agent-introspection-debugging/SKILL.md on GitHub (opens in a new tab)

• agent-payment-x402

  Add x402 payment execution to AI agents with per-task budgets, spending controls, and non-custodial wallets. Supports Base through agentwallet-sdk and X Layer through OKX Payments / OKX Agent Payments Protocol. Use when an agent must pay for something itself and needs per-task budgets, spending controls, and a non-custodial wallet.

  skills/agent-payment-x402/SKILL.md on GitHub (opens in a new tab)

• agent-self-evaluation

  Use after completing any non-trivial task. The agent self-rates its output on 5 axes — accuracy, completeness, clarity, actionability, conciseness — with concrete evidence per criterion. Produces a structured 1-5 scorecard with specific improvement suggestions.

  skills/agent-self-evaluation/SKILL.md on GitHub (opens in a new tab)

• agent-sort

  Build an evidence-backed ECC install plan for a specific repo by sorting skills, commands, rules, hooks, and extras into DAILY vs LIBRARY buckets using parallel repo-aware review passes. Use when ECC should be trimmed to what a project actually needs instead of loading the full bundle.

  skills/agent-sort/SKILL.md on GitHub (opens in a new tab)

• agentic-engineering

  Operate as an agentic engineer using eval-first execution, decomposition, and cost-aware model routing. Use when planning or executing engineering work that agents will carry out end to end.

  skills/agentic-engineering/SKILL.md on GitHub (opens in a new tab)

• agentic-os

  Build persistent multi-agent operating systems on Claude Code. Covers kernel architecture, specialist agents, slash commands, file-based memory, scheduled automation, and state management without external databases. Use when building a persistent multi-agent system on Claude Code with its own memory, commands, and scheduling.

  skills/agentic-os/SKILL.md on GitHub (opens in a new tab)

• ai-first-engineering

  Engineering operating model for teams where AI agents generate a large share of implementation output. Use when setting team process, review gates, or ownership rules for a codebase largely written by agents.

  skills/ai-first-engineering/SKILL.md on GitHub (opens in a new tab)

• ai-regression-testing

  Regression testing strategies for AI-assisted development. Sandbox-mode API testing without database dependencies, automated bug-check workflows, and patterns to catch AI blind spots where the same model writes and reviews code. Use when adding regression coverage to AI-assisted code, or when the same model both wrote and reviewed a change.

  skills/ai-regression-testing/SKILL.md on GitHub (opens in a new tab)

• android-clean-architecture

  Clean Architecture patterns for Android and Kotlin Multiplatform projects — module structure, dependency rules, UseCases, Repositories, and data layer patterns. Use when structuring modules, layers, or data flow in an Android or KMP project.

  skills/android-clean-architecture/SKILL.md on GitHub (opens in a new tab)

• angular-developer

  Generates Angular code and provides architectural guidance. Trigger when creating projects, components, or services, or for best practices on reactivity (signals, linkedSignal, resource), forms, dependency injection, routing, SSR, accessibility (ARIA), animations, styling (component styles, Tailwind CSS), testing, or CLI tooling.

  skills/angular-developer/SKILL.md on GitHub (opens in a new tab)

• api-connector-builder

  Build a new API connector or provider by matching the target repo's existing integration pattern exactly. Use when adding one more integration without inventing a second architecture.

  skills/api-connector-builder/SKILL.md on GitHub (opens in a new tab)

• api-design

  REST API design patterns including resource naming, status codes, pagination, filtering, error responses, versioning, and rate limiting for production APIs. Use when designing or reviewing REST endpoints, resource names, status codes, pagination, or versioning.

  skills/api-design/SKILL.md on GitHub (opens in a new tab)

• architecture-decision-records

  Capture architectural decisions as numbered ADR markdown files in docs/adr/ with context, alternatives considered, consequences, and an index README. Use when the user says 'record this decision' or 'ADR this', chooses between frameworks or databases, discusses trade-offs, or asks why the codebase is shaped this way.

  skills/architecture-decision-records/SKILL.md on GitHub (opens in a new tab)

• article-writing

  Write articles, guides, blog posts, tutorials, newsletter issues, and other long-form content in a distinctive voice derived from supplied examples or brand guidance. Use when the user wants polished written content longer than a paragraph, especially when voice consistency, structure, and credibility matter.

  skills/article-writing/SKILL.md on GitHub (opens in a new tab)

• automation-audit-ops

  Evidence-first automation inventory and overlap audit workflow for ECC. Use when the user wants to know which jobs, hooks, connectors, MCP servers, or wrappers are live, broken, redundant, or missing before fixing anything.

  skills/automation-audit-ops/SKILL.md on GitHub (opens in a new tab)

• autonomous-agent-harness

  Transform Claude Code into a fully autonomous agent system with persistent memory, scheduled operations, computer use, and task queuing. Replaces standalone agent frameworks (Hermes, AutoGPT) by leveraging Claude Code's native crons, dispatch, MCP tools, and memory. Use when the user wants continuous autonomous operation, scheduled tasks, or a self-directing agent loop.

  skills/autonomous-agent-harness/SKILL.md on GitHub (opens in a new tab)

• autonomous-loops

  Patterns and architectures for autonomous Claude Code loops — from simple sequential pipelines to RFC-driven multi-agent DAG systems. Retained for compatibility only: when new autonomous loop guidance is needed, use continuous-agent-loop instead.

  skills/autonomous-loops/SKILL.md on GitHub (opens in a new tab)

• backend-patterns

  Backend architecture patterns, API design, database optimization, and server-side best practices for Node.js, Express, and Next.js API routes. Use when building or reviewing Node.js, Express, or Next.js API routes and their data access.

  skills/backend-patterns/SKILL.md on GitHub (opens in a new tab)

• benchmark-methodology

  Score a scoped competitor set into comparable profile cards: nine weighted dimensions (positioning, voice, visual craft, offer packaging, evidence, enterprise-readiness, thought leadership, pricing, client tension) with 1-5 evidence-anchored rubrics and a tension 2x2 plot. Use when benchmarking or scoring competitors, building a competitive comparison matrix, or grading rival positioning before a…

  skills/benchmark-methodology/SKILL.md on GitHub (opens in a new tab)

• benchmark-optimization-loop

  Convert 'make it faster' requests into a bounded measured optimization loop — baseline first, generate one-hypothesis variants, benchmark each against a correctness gate, and promote the fastest safe variant with reproducible commands. Use when asked to speed something up, try many variants, run recursive optimization, benchmark latency/throughput/cost, or pick the best implementation by repeated…

  skills/benchmark-optimization-loop/SKILL.md on GitHub (opens in a new tab)

• benchmark

  Measure performance baselines and detect regressions across browser Core Web Vitals (LCP, INP, CLS, page weight), API endpoint latency percentiles, and build/test feedback times, with before/after comparison stored in git-tracked .ecc/benchmarks JSON. Use when checking page speed, responding to 'it feels slow' reports, verifying launch performance targets, or comparing stack alternatives.

  skills/benchmark/SKILL.md on GitHub (opens in a new tab)

• blender-motion-state-inspection

  Use this skill when inspecting Blender characters, rigs, poses, animation retargeting, ground contact, facing direction, or model-vs-motion alignment where screenshots alone are not enough.

  skills/blender-motion-state-inspection/SKILL.md on GitHub (opens in a new tab)

• blueprint

  Turn a one-line objective into a step-by-step construction plan for multi-session, multi-agent engineering projects: one-PR-sized steps with self-contained context briefs, dependency graph with parallel-step detection, adversarial review gate, and plan mutation protocol. Use when planning a large feature, refactor, or roadmap that spans multiple PRs or sessions; not for single-PR tasks or when th…

  skills/blueprint/SKILL.md on GitHub (opens in a new tab)

• brand-discovery

  Run a structured, resumable multi-session brand identity interview across 8 modules (purpose, positioning, audience, personality, voice, narrative, founder tension) using laddering, 5 Whys, and projective techniques, persisting answers to disk and producing a master brandbook (90_SYNTHESIS.md). Use when creating or repositioning a brand, briefing designers or writers, or making implicit founder k…

  skills/brand-discovery/SKILL.md on GitHub (opens in a new tab)

• brand-voice

  Build a source-derived writing style profile from real posts, essays, launch notes, docs, or site copy, then reuse that profile across content, outreach, and social workflows. Use when the user wants voice consistency without generic AI writing tropes.

  skills/brand-voice/SKILL.md on GitHub (opens in a new tab)

• browser-qa

  Run automated post-deploy UI verification with a browser automation MCP (claude-in-chrome, Playwright, or Puppeteer): console-error and Core Web Vitals smoke checks, form and auth-flow interaction tests, screenshot visual regression across three breakpoints, and axe-core accessibility audits ending in a SHIP / DO-NOT-SHIP verdict. Use when testing a deployed feature on staging or preview, before…

  skills/browser-qa/SKILL.md on GitHub (opens in a new tab)

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