opendata-skills

OpenData Skills

Cross-platform agent skills for the OpenData ecosystem, built on the Agent Skills specification.

Plugins

Plugin	Description	Skills
opendata	Query and analyze public datasets via the OpenData API	opendata-api
openchart	Generate charts, tables, graphs, and SVG graphics with OpenChart	openchart, svg-design

Installation

Claude Code

/plugin marketplace add tryopendata/skills

Other Platforms

This repo follows the Agent Skills spec, which is supported by 30+ agent platforms including Cursor, Gemini CLI, VS Code/Copilot, OpenAI Codex, OpenCode, Goose, Roo Code, and more. Check your platform's docs for how to install agent skills.

Structure

plugins/
  opendata/                # OpenData plugin
    skills/
      opendata-api/        # Query the OpenData API
  openchart/               # OpenChart plugin
    skills/
      openchart/           # Chart/table/graph VizSpec generation
      svg-design/          # SVG logo, icon, and graphic creation
.claude-plugin/
  marketplace.json         # Root marketplace registry

Each skill is a directory with a SKILL.md file:

skills/<name>/
├── SKILL.md        # Instructions with YAML frontmatter (name + description)
├── evals/          # Test cases for output quality verification
├── scripts/        # Bundled executable code
├── references/     # Supplementary docs loaded on-demand
└── assets/         # Templates, schemas, static resources

Contributing a Skill

1. Create a directory under the appropriate plugins/<plugin>/skills/ with a SKILL.md file
2. Follow the Agent Skills specification for frontmatter format
3. Add evals to verify your skill produces good output
4. See best practices for writing effective skills

License

MIT