{"ok":true,"site":{"host":"plaiground.online","url":"https://www.plaiground.online/","desc":"A playground of A/B/C challenges with voting, challenge details, and results.","type":"live","category":"Media & Personal","tools":[{"name":"list_challenges","kind":"answer","impl":"imperative","description":"List live and closed challenges on PlaiGround with optional category filtering.","inputSchema":{"type":"object","properties":{"category":{"enum":["all","web-dev","ai-music","ai-video","ai-image","web3","ai-text","open"],"type":"string","description":"Filter challenges by category slug (e.g. 'web-dev', 'ai-text', 'web3')."}}},"executable":true},{"name":"open_challenge","kind":"act","impl":"imperative","description":"Navigate to a challenge detail or results page by slug or path.","inputSchema":{"type":"object","required":["slug_or_url"],"properties":{"slug_or_url":{"type":"string","description":"Challenge slug (e.g. 'agentic-mcp-poetry') or relative/absolute URL."}}},"executable":true}],"apiSurface":"spec","toolCount":2}}