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Turn any MCP server, OpenAPI spec, or GraphQL endpoint into an AI agent skill at runtime
Install with Codex or Claude Copy this prompt, paste it into Codex, Claude, or another assistant, and let it review the skill page and install it for you.
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| name | skill-creator |
| description | Turn any MCP server, OpenAPI spec, or GraphQL endpoint into an AI agent skill at runtime |
| version | 1.0.0 |
| author | Hermes Agent |
| license | MIT |
| platforms | ["linux","macos"] |
| metadata | {"hermes":{"tags":["skill-generation","mcp","openapi","graphql","automation"],"related_skills":["hermes-agent"]}} |
Generate reusable AI agent skills from MCP servers, OpenAPI specs, or GraphQL endpoints. Supports 9+ agent frameworks with an auto-improvement loop.
# Install via npm
npm install -g skill-creator
# Or clone and build
git clone https://github.com/sandiiarov/skill-creator.git
cd skill-creator
npm install && npm run build
# Generate skill from running MCP server
skill-creator from-mcp --server http://localhost:3000 --output ./skills/my-mcp
# Generate with custom agent framework
skill-creator from-mcp --server http://localhost:3000 --framework claude-code
# Generate from OpenAPI JSON/YAML
skill-creator from-openapi --spec ./api-spec.yaml --output ./skills/my-api
# Generate with authentication
skill-creator from-openapi --spec ./api-spec.yaml --auth bearer:TOKEN
# Generate from GraphQL endpoint
skill-creator from-graphql --endpoint https://api.example.com/graphql --output ./skills/my-graphql
# Run the improvement loop
skill-creator improve --skill ./skills/my-api --iterations 5
# This will:
# 1. Test the skill against real usage
# 2. Collect gotchas and edge cases
# 3. Update the skill documentation
# 4. Repeat for specified iterations
Each generated skill includes:
SKILL.md with Hermes-compatible frontmatter# Verify generated skill
cat ./skills/my-api/SKILL.md
# Test the skill works
skill-creator test --skill ./skills/my-api --dry-run