Home/Compare/ECC vs claude-skills

Comparison

ECC vs claude-skills

Verdict

Pick ECC when eCC is primarily JavaScript; claude-skills is Python; pick claude-skills when claude-skills is primarily Python; ECC is JavaScript.

Markdown twin · ECC alternatives · claude-skills alternatives

GraphCanon updated today

ECC logo

ECC

affaan-m/ECC

228kpushed Jul 9, 2026
vs
claude-skills logo

claude-skills

alirezarezvani/claude-skills

22kpushed Jul 8, 2026

Trust & integrity

SignalECCclaude-skills
Maintenance
Very active (2d since push)
As of today · github_public_v1
Very active (3d since push)
As of today · github_public_v1
Provenance
Not a fork · Personal account
As of today · github_public_v1
Not a fork · Personal account
As of today · github_public_v1
Security (OSV)
No MCP manifest
As of today · mcp_manifest
No lockfile
As of today · none

Tagline

ECC
The agent harness performance optimization system for AI agents
claude-skills
345 Claude Code skills & agent skills & plugins (30+ Agents, 70+ custom commands, 330+ skills, customizable references, scripts)for Claude Code, Codex, Gemini CLI, Cursor, and 8 more coding agents — e

Stars

ECC
228k
claude-skills
22k

Forks

ECC
35k
claude-skills
3.1k

Open issues

ECC
93
claude-skills
8

Language

ECC
JavaScript
claude-skills
Python

Adopt for

ECC
ECC is a performance optimization system for AI agents built to enhance skills, instincts, memory, security, and development processes.
claude-skills
-

Persona

ECC
-
claude-skills
-

Runtime

ECC
-
claude-skills
-

License

ECC
MIT
claude-skills
MIT

Last pushed

ECC
Jul 9, 2026
claude-skills
Jul 8, 2026

Categories

ECC
AI Agents, Developer Tools
claude-skills
AI Agents, LLM Frameworks, Developer Tools

Trust and health

Days since push

ECC
2d
claude-skills
3d

Open issues (now)

ECC
93
claude-skills
8

Security scan

ECC
No MCP manifest
claude-skills
No lockfile

Full report

claude-skills
Trust report

Choose ECC if…

  • ECC is primarily JavaScript; claude-skills is Python.
  • ECC requires JavaScript environment and is open-source, licensed under MIT. Specific setup details are not provided within repository data.
  • Pricing: Being open source with an MIT license, ECC itself is free to use, but additional features or support might incur costs outside of the core project..
  • Tags unique to ECC: llm, productivity, claude, anthropic.
  • When you are specifically working with AI agents like Claude Code and Codex that require advanced performance tuning across multiple dimensions such as skills and memory management.

When NOT to use ECC

  • For projects focusing solely on traditional software development workflows without AI components, ECC's specialized tools are not necessary.
  • In scenarios where you're working with closed-source or proprietary AI systems that do not allow for the same levels of customization as open platforms like those optimized by ECC.

Choose claude-skills if…

  • claude-skills is primarily Python; ECC is JavaScript.
  • Tags unique to claude-skills: agent-skills, claude-ai, claude-code-plugins, anthropic-claude.
  • Also covers LLM Frameworks.

When NOT to use claude-skills

  • AI Agents: Don't use an agent loop when a deterministic workflow would do; agents add latency, cost, and non-determinism.
  • LLM Frameworks: Avoid a framework for a single prompt-and-retrieve call; the abstraction can cost more than it saves.
  • Developer Tools: A gateway is overkill when you're pinned to a single provider and model.

Explore

Sources

Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.

GitHub stars on cards: ECC 228k · claude-skills 22k (synced Jul 11, 2026).

Common questions

What is the difference between ECC and claude-skills?
ECC: The agent harness performance optimization system for AI agents. claude-skills: 345 Claude Code skills & agent skills & plugins (30+ Agents, 70+ custom commands, 330+ skills, customizable references, scripts)for Claude Code, Codex, Gemini CLI, Cursor, and 8 more coding agents — e. See the comparison table for live GitHub stats and shared categories.
When should I choose ECC over claude-skills?
Choose ECC over claude-skills when ECC is primarily JavaScript; claude-skills is Python; ECC requires JavaScript environment and is open-source, licensed under MIT. Specific setup details are not provided within repository data; Pricing: Being open source with an MIT license, ECC itself is free to use, but additional features or support might incur costs outside of the core project.; Tags unique to ECC: llm, productivity, claude, anthropic; When you are specifically working with AI agents like Claude Code and Codex that require advanced performance tuning across multiple dimensions such as skills and memory management.
When should I choose claude-skills over ECC?
Choose claude-skills over ECC when claude-skills is primarily Python; ECC is JavaScript; Tags unique to claude-skills: agent-skills, claude-ai, claude-code-plugins, anthropic-claude; Also covers LLM Frameworks.
When should I avoid ECC?
For projects focusing solely on traditional software development workflows without AI components, ECC's specialized tools are not necessary. In scenarios where you're working with closed-source or proprietary AI systems that do not allow for the same levels of customization as open platforms like those optimized by ECC.
When should I avoid claude-skills?
AI Agents: Don't use an agent loop when a deterministic workflow would do; agents add latency, cost, and non-determinism. LLM Frameworks: Avoid a framework for a single prompt-and-retrieve call; the abstraction can cost more than it saves. Developer Tools: A gateway is overkill when you're pinned to a single provider and model.
Is ECC or claude-skills more popular on GitHub?
ECC has more GitHub stars (228,395 vs 22,143). Stars measure visibility, not whether either tool fits your constraints.
Are ECC and claude-skills open source?
Yes - both are open-source projects on GitHub (ECC: MIT, claude-skills: MIT).
Where can I find alternatives to ECC or claude-skills?
GraphCanon lists graph-backed alternatives at ECC alternatives and claude-skills alternatives (ECC markdown twin, claude-skills markdown twin), ranked by typed relationship edges rather than popularity votes.
Is there a machine-readable version of this comparison?
Yes. The markdown twin at this comparison mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
Which is better maintained, ECC or claude-skills?
ECC: Very active. claude-skills: Very active. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.
Where are the full trust reports for ECC and claude-skills?
GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: ECC trust report; claude-skills trust report.