Agentic Awesome Skills vs ECC
Which should you use? A side-by-side look at what each one does, who it suits, what it costs, how hard it is to set up, and where each falls short.
Open source · MIT
A local catalog of 2,800+ reusable instruction files that helps coding agents pick and review skills.
Open source · MIT
A set of skills, memory, and security rules that makes AI coding agents work more carefully.
The short answer
Choose Agentic Awesome Skills if you need…
- Developers using Codex or Claude who want agent-chosen instructions for a project
- Teams that want to review an exact, saved list of skills before installing them
- People who want a local, inspectable workflow instead of a hosted service
- Users comfortable editing config files and running npm or CLI commands
Choose ECC if you need…
- Developers who already use Claude Code and want a shared workflow for planning, testing and review
- Teams that want consistent agent behavior across several coding tools
- People who want an agent to reuse past fixes through saved skills and memory
- Developers who care about security checks on agent-generated code
Side-by-side
| Agentic Awesome Skills | ECC | |
|---|---|---|
| Type | Dev tool | Dev tool |
| Price | Free and open source | Free and open source |
| Licence | MIT | MIT |
| GitHub stars | 49k | 295k |
| Setup difficulty | Intermediate | Intermediate |
| How you get it | Install with a package manager | Install with a package manager |
| Main language | Python | JavaScript |
| Last code update | 4 days ago | 4 days ago |
What each one is
Agentic Awesome Skills
Agentic Awesome Skills is a library of installable SKILL.md playbooks, which are instruction files that AI coding agents such as Codex or Claude can read and follow. AAS Core is a local tool that lets the agent search the full catalog, record the skills it chooses, validate that selection, and preview a plan you can review before anything changes. According to the README, Core does not rank or recommend skills itself.
ECC
ECC is an open-source add-on for AI coding agents such as Claude Code. It bundles reusable skills, workflows, memory and security checks so the agent plans before building, tests its changes, reviews its own work, and keeps useful notes between sessions. You install it once instead of writing the same process instructions into every prompt. The README says it works best with Claude Code and has native Codex and Qoder plugin paths, with more limited adapters for Cursor, OpenCode, Gemini and Zed.
Best for
Agentic Awesome Skills
- Developers using Codex or Claude who want agent-chosen instructions for a project
- Teams that want to review an exact, saved list of skills before installing them
- People who want a local, inspectable workflow instead of a hosted service
- Users comfortable editing config files and running npm or CLI commands
ECC
- Developers who already use Claude Code and want a shared workflow for planning, testing and review
- Teams that want consistent agent behavior across several coding tools
- People who want an agent to reuse past fixes through saved skills and memory
- Developers who care about security checks on agent-generated code
Strengths
Agentic Awesome Skills
- Covers the full catalog locally, so every listed skill can be searched and read
- Keeps a reviewable record of which skills were chosen and why, via manifests and plans
- Explicit dry-run and preview steps before changes are applied
ECC
- MIT-licensed and open source, with a large public following on GitHub
- Installs as a plugin through a documented slug, so setup is mostly guided
- Explicit about which tools have full support and which have limited adapters
Not ideal for
Agentic Awesome Skills
- Non-technical users, since setup involves MCP configuration and terminal commands
- People who want the tool to recommend skills for them, because the README says Core does not rank or recommend
- Users who need apply or recovery features in production, since the README says these remain experimental and outside the supported preview
ECC
- People who do not use any AI coding agent, since the project only adds value on top of one
- Users who need a single, simple tool with a short learning curve, because the README covers many harnesses and components
- Anyone who needs full feature parity across Cursor, Gemini or Zed, since the README describes those adapters as capability-limited
Trade-offs
Agentic Awesome Skills
- The README says apply and recovery are experimental, and it warns that validation does not certify semantic fit or safety to apply
- Setup depends on the Codex or Claude guides and on the README tracking main, so some features may need a later release than the one you install
- The skill count differs across the README and metadata (2,750+, 2,877+), so check the current catalog yourself
ECC
- The README describes a large system with many parts, which makes it hard to know what to use first
- Best support is for Claude Code; other tools get capability-limited adapters
- Some paid hosted features (ECC Pro GitHub App for private repos) are mentioned alongside the free project
Getting started
Agentic Awesome Skills
Configure the local MCP for Codex (preview; returns an approval digest)
npm exec --yes --ignore-scripts --package=agentic-awesome-skills@20.2.0 -- aas mcp configure \
--host codex \
--scope user \
--config /absolute/path/to/codex/config.toml \
--cache-root /absolute/path/to/aas-cachePreview a direct install of selected skills
npm exec --yes --ignore-scripts --package=agentic-awesome-skills@20.2.0 -- \
agentic-awesome-skills --release 20.2.0 --path .agents/skills \
--skills brainstorming,systematic-debugging --dry-runECC
Install the npm package listed in the README (exact command not shown in the truncated text)
git clone https://github.com/affaan-m/ECCFrequently asked questions
What is the difference between Agentic Awesome Skills and ECC?
Agentic Awesome Skills: A local catalog of 2,800+ reusable instruction files that helps coding agents pick and review skills. ECC: A set of skills, memory, and security rules that makes AI coding agents work more carefully. Agentic Awesome Skills suits developers using codex or claude who want agent-chosen instructions for a project, while ECC suits developers who already use claude code and want a shared workflow for planning, testing and review.
Are Agentic Awesome Skills and ECC free?
Agentic Awesome Skills: Free and open source. ECC: Free and open source.
Is Agentic Awesome Skills or ECC more popular?
ECC has more GitHub stars (295k) than Agentic Awesome Skills (49k). Popularity isn't the same as fit — check which one matches your use case above.
What are other alternatives to Agentic Awesome Skills and ECC?
Other options people compare them with include wshobson/agents, Trail-code, codebase-memory-mcp, opencodex, Our Free Model.
Keep comparing
Built from our catalogue entries for both products: open-source details come from each project's README (AI-assisted, refreshed weekly) and GitHub data; AI-tool details are editorial. Spotted something wrong? Let us know from either product's page.