This entry duplicates skill-creator, which is the one we list in search.

skill-creator

Create new skills, modify and improve existing skills, and measure skill performance.

Skill by summerleft

IndexedLicense unknown

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Install

Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install skill/summerleft-skill-creator

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, update or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.

Use cases: testing, agent-building

Reviews

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What's inside

Skill name: skill-creator
Description: Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, update or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.
License: unknown
Instructions: 476 lines in SKILL.md · view on GitHub

Before installing

Ships executable scripts

Files (18)

LICENSE.txt
SKILL.md
analyzer.md · agents/
comparator.md · agents/
grader.md · agents/
eval_review.html · assets/
generate_review.py · eval-viewer/
viewer.html · eval-viewer/
schemas.md · references/
__init__.py · scripts/
aggregate_benchmark.py · scripts/
generate_report.py · scripts/
improve_description.py · scripts/
package_skill.py · scripts/
quick_validate.py · scripts/
run_eval.py · scripts/
run_loop.py · scripts/
utils.py · scripts/

The license isn't open source, so the instructions aren't shown here. Read SKILL.md on GitHub

Signals

Stars: 0
Forks: 0
Open issues: 0
Last commit (this folder): Apr 1, 2026 (7 months ago)

From GitHub (fetched Oct 24, 2026).

Details

License: License unknown
Repository: github.com/summerleft/summer-code
First seen: Oct 24, 2026
Last checked: Oct 24, 2026
Source: GitHub github-graphql

Same skill elsewhere

Copies of this SKILL.md published by others; search shows only one of them.

Done for you

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Rahil Jain, Co-founder, Chalk Labs. Ex-Goldman Sachs engineer. You talk to the person who builds it.

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Cite this page

skill-creator. Agent Mart. https://agentmart.dev/skills/summerleft-skill-creator (last updated 2026-10-24)