# ecc

Your agent can write code, but ECC gives it a coordinated engineering system and toolbox: it plans before it builds, verifies changes with tests, reviews its own work from a fresh context, remembers what matters, and turns repeated wins into reusable skills

- Tier: Indexed (plain plugin)
- Category: Development
- Page: https://www.flowy.sh/listings/affaan-m-ecc
- Source: https://github.com/affaan-m/ECC
- Price: free and open source

## Summary
ecc is a Claude Code plugin with 200 hand-picked skills for development work, indexed on Flowy. Install it with the command on its page. It includes everything-claude-code, accessibility, agent-architecture-audit. Its skills do not fire on their own yet. Request auto-invocation to have Flowy route them as you prompt. Free and open source.

## Install (Claude Code)
```
/plugin marketplace add affaan-m/ECC
/plugin install ecc@ecc
```

## Skills
- everything-claude-code
- accessibility
- agent-architecture-audit
- agent-eval
- agent-harness-construction
- agent-introspection-debugging
- agent-payment-x402
- agent-self-evaluation
- agent-sort
- agentic-engineering
- agentic-os
- ai-first-engineering
- ai-regression-testing
- android-clean-architecture
- angular-developer
- api-connector-builder
- api-design
- architecture-decision-records
- article-writing
- automation-audit-ops
- autonomous-agent-harness
- autonomous-loops
- backend-patterns
- benchmark-methodology
- benchmark-optimization-loop
- benchmark
- blender-motion-state-inspection
- blueprint
- brand-discovery
- brand-voice
- browser-qa
- bun-runtime
- canary-watch
- carrier-relationship-management
- cisco-ios-patterns
- ck
- claude-devfleet
- click-path-audit
- clickhouse-io
- code-tour
- codebase-onboarding
- codehealth-mcp
- coding-standards
- competitive-platform-analysis
- competitive-report-structure
- compose-multiplatform-patterns
- config-gc
- configure-ecc
- connections-optimizer
- content-engine
- content-hash-cache-pattern
- context-budget
- continuous-agent-loop
- continuous-learning-v2
- continuous-learning
- contract-first
- cost-aware-llm-pipeline
- cost-tracking
- council
- cpp-coding-standards
- cpp-testing
- crosspost
- csharp-testing
- customer-billing-ops
- customs-trade-compliance
- dart-flutter-patterns
- dashboard-builder
- data-scraper-agent
- data-throughput-accelerator
- database-migrations
- deep-research
- defi-amm-security
- delivery-gate
- deployment-patterns
- design-system
- django-celery
- django-patterns
- django-security
- django-tdd
- django-verification
- dmux-workflows
- docker-patterns
- documentation-lookup
- dotnet-patterns
- dynamic-workflow-mode
- e2e-testing
- ecc-guide
- ecc-recipes
- ecc-tools-cost-audit
- email-ops
- energy-procurement
- enterprise-agent-ops
- error-handling
- eval-harness
- evm-token-decimals
- exa-search
- fal-ai-media
- fastapi-patterns
- finance-billing-ops
- flox-environments
- flutter-dart-code-review
- foundation-models-on-device
- frontend-a11y
- frontend-design-direction
- frontend-patterns
- frontend-slides
- fsharp-testing
- gan-style-harness
- gateguard
- generating-python-installer
- git-workflow
- github-ops
- golang-patterns
- golang-testing
- google-workspace-ops
- growth-log
- healthcare-cdss-patterns
- healthcare-emr-patterns
- healthcare-eval-harness
- healthcare-phi-compliance
- hermes-imports
- hexagonal-architecture
- hipaa-compliance
- homelab-network-readiness
- homelab-network-setup
- homelab-pihole-dns
- homelab-vlan-segmentation
- homelab-wireguard-vpn
- hookify-rules
- inherit-legacy-style
- intent-driven-development
- inventory-demand-planning
- investor-materials
- investor-outreach
- ios-icon-gen
- iterative-retrieval
- ito-basket-compare
- ito-compute
- ito-data-atlas-agent
- ito-inference
- ito-market-intelligence
- ito-trade-planner
- ito-training
- java-coding-standards
- jira-integration
- jpa-patterns
- knowledge-ops
- kotlin-coroutines-flows
- kotlin-exposed-patterns
- kotlin-ktor-patterns
- kotlin-patterns
- kotlin-testing
- kubernetes-patterns
- laravel-patterns
- laravel-plugin-discovery
- laravel-security
- laravel-tdd
- laravel-verification
- latency-critical-systems
- lead-intelligence
- liquid-glass-design
- llm-trading-agent-security
- logistics-exception-management
- loop-design-check
- mailtrap-email-integration
- make-interfaces-feel-better
- manim-video
- market-research
- marketing-campaign
- mcp-server-patterns
- messages-ops
- ml-adoption-playbook
- mle-workflow
- motion-advanced
- motion-foundations
- motion-patterns
- motion-ui
- mysql-patterns
- nanoclaw-repl
- nestjs-patterns
- netmiko-ssh-automation
- network-bgp-diagnostics
- network-config-validation
- network-interface-health
- nextjs-turbopack
- nodejs-keccak256
- nutrient-document-processing
- nuxt4-patterns
- openclaw-persona-forge
- opensource-pipeline
- orch-add-feature
- orch-build-mvp
- orch-change-feature
- orch-fix-defect
- orch-pipeline
- orch-refine-code
- parallel-execution-optimizer
- perl-patterns
- perl-security
- perl-testing

## FAQ

### What is ecc?
Your agent can write code, but ECC gives it a coordinated engineering system and toolbox: it plans before it builds, verifies changes with tests, reviews its own work from a fresh context, remembers what matters, and turns repeated wins into reusable skills

### How do I install ecc?
Run these in Claude Code: /plugin marketplace add affaan-m/ECC then /plugin install ecc@ecc. Then prompt normally.

### Does ecc auto-invoke its skills?
Not yet. It is indexed on Flowy as a plain plugin. Request auto-invocation on its page and Flowy will route its skills for you as you prompt.

### Is ecc free?
Yes. Flowy is free and open source, with nothing gated. You can read every skill in full before you install.