# Components Browse the Apache ECharts chart families available in chartcn. > For the complete documentation index, see [llms.txt](/llms.txt). Markdown variants are available by appending `.md` to any URL or sending an `Accept: text/markdown` header. An agent skill is available at [/.well-known/agent-skills/site-skill.md](/.well-known/agent-skills/site-skill.md). The registry also exposes every showcase as an installable `registry:block`. Search for an `ex-` item in the command palette or install one directly, such as `@chartcn/ex-glowing-radar-chart`.