cap-evolve

Name: cap-evolve Review
Item: cap-evolve
Rating: 2.8
Author: Aaron Matthews

Skill Development Usable

Works inClaude Code

Usable Scanned — metadata only

Reduces AI agent drift and performance degradation by systematically tuning skills, tools, and prompts against your team's actual evaluation criteria, loweri…

Optimize any AI agent’s skills, tools/MCP, and prompts against your own evals.

Evaluate your AI agent's performance on custom test cases and identify weak skills.
Automatically refine agent prompts based on evaluation results to improve accuracy.
Test different tool configurations against your benchmarks to optimize agent capabilities.

35 starsApache-2.0 (commercial OK)FreeQuick setup

Usable rating — This tool is functional but has notable gaps. Review the evaluation notes below before deploying.

Why it matters

Reduces AI agent drift and performance degradation by systematically tuning skills, tools, and prompts against your team's actual evaluation criteria, lowering production failure risk.

Best for

Engineering teams deploying custom AI agents who need measurable quality assurance and continuous skill optimization.

Works in

Claude Code Claude Cowork Claude Chat

Source

https://github.com/skillberry-ai/cap-evolve

By skillberry-ai

How to Get It

Option 1: Claude Desktop App (Code Mode)Click the + button next to the prompt box → Plugins → Add plugin. Search and click Install. Skills work in Claude Code only.

Option 2: Paste into Claude CodeCopy the command below and paste it into your conversation. Claude will install it.

Command

claude plugins install skillberry-ai/cap-evolve

Tip: Paste this into a Claude Code conversation. Verify command matches your Claude Code version.

Auto-generated from the tool's public listing — not hands-on verified. Cross-check against the source repo's README before running.

First thing to try

After installing, paste this into Claude:

Help me evaluate my AI agent's performance on custom test cases and identify weak skills

CostFree

Trust Signals Auto-scanned

Stars35Last updated2026-07-27LicenseApache-2.0 (OK for commercial use)Known CVEsNone foundSources: GitHub Advisory Database + OSV.dev · Scanned 2026-07-27 · scanner v1

Community Pulse New

No community discussions found yet. This doesn't mean the tool isn't good — it may be new or serve a niche use case.

Reviewer notes

Auto-scanned review. These are observations, not a security certification.

Scored from trust signals (evidence-eval-v1): 35 GitHub stars; contributors unknown; last commit 0d ago; license Apache-2.0.

Things to check

Scanned, not hands-on tested — this entry was auto-scanned from public metadata (GitHub metrics, license, security flags). No reviewer has run it, and no tool-specific limitations have been documented yet.

How to evaluate tools before deploying →

Data shown here comes from public APIs and automated scanning. Reviewer notes reflect one person's experience. This is not a security certification or legal recommendation. Always evaluate tools according to your own organization's policies.

Evaluation Scores

Evaluation

Ease of Use

3/5

Versatility

2/5

Reliability

3/5

Security

3/5

Overall score2.75 / 5.00 UsableEvaluatedJul 2026

Scored from trust signals (evidence-eval-v1): 35 GitHub stars; contributors unknown; last commit 0d ago; license Apache-2.0.

← Back to the Claude Observatory