Project comparison
Compare adoption, momentum, maintenance health, and project basics before choosing which tool to evaluate deeper.
Agent Plugins Specification v1.0.0 — A minimal standard for packaging agent extensions into distributable plugins
Best matched with other agent tools.
The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.
Best matched with other agent tools.
ECC has the larger GitHub footprint with 272.5K stars.
ECC is currently growing faster at +52.6K stars this week.
ECC has the stronger automated maintenance signal at 93/100. This is not a security or fit verdict.
Use these signals to narrow your choice, then confirm setup, license, and fit upstream.
| Signal | Agent Plugins Spec | ECC |
|---|---|---|
| Evidence status | Basic listing· 2026-10-04 09:18 UTC | Verified snapshot· 2026-10-04 09:19 UTC |
| GitHub stars | 789 | 272.5K |
| Weekly growth | 0 | +52.6K |
| Health score | Caution25/100 | Strong93/100 |
| Contributors | 2 | 295 |
| Commits per week | 5.9 | 62.2 |
| Open issues | 13 | 105 |
| Language | N/A | JavaScript |
| License | NOASSERTION | MIT |
| Last commit | 2026-08-06 15:26 UTC | 2026-10-02 02:01 UTC |
| Last release | N/A | v2.0.0 |
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