{"generatedAt":"2026-10-24T12:11:27.697Z","canonicalUrl":"https://agentbreakwatch.vercel.app/p/lovable-dev-mcp-js","llmsTxtUrl":"https://agentbreakwatch.vercel.app/p/lovable-dev-mcp-js/llms.txt","categoryHub":{"slug":"database-backend","title":"Database, SQL & Vector DB MCP Servers Stability Index","url":"https://agentbreakwatch.vercel.app/c/database-backend"},"tldrVerdict":"Lovable.dev MCP Js (@lovable.dev/mcp-js) is currently at v3.3.0 on NPM (published 2026-10-23), with a 90-day Stability Score of 78/100 (B) and MEDIUM schema drift risk. Built on MCP SDK (1.28.0); recent release v3.3.0 (up from v3.2.2) updates Database & Backend MCP tool schemas and transport handling (32 releases in last 90d). Pin exact version v3.3.0 in .mcp.json to avoid silent parameter drift.","package":{"slug":"lovable-dev-mcp-js","packageName":"@lovable.dev/mcp-js","registry":"npm","kind":"mcp","subcategory":"Database & Backend MCP","displayName":"Lovable.dev MCP Js","vendor":"Lovable.dev","githubRepo":"lovablelabs/lovable","breakingSummary":"Built on MCP SDK (1.28.0); recent release v3.3.0 (up from v3.2.2) updates Database & Backend MCP tool schemas and transport handling (32 releases in last 90d). Pin exact version v3.3.0 in .mcp.json to avoid silent parameter drift.","schemaDriftRisk":"medium","affectedSymbols":["lovable-mcp-check","lovable-mcp-extract-manifest","tools/list","tools/call"],"migrationBefore":"\"lovable-dev-mcp-js\": {\n  \"command\": \"npx\",\n  \"args\": [\"-y\", \"@lovable.dev/mcp-js@latest\"]\n}","migrationAfter":"\"lovable-dev-mcp-js\": {\n  \"command\": \"npx\",\n  \"args\": [\"-y\", \"@lovable.dev/mcp-js@3.3.0\"]\n}","description":"Author MCP servers for Lovable apps. Declare tools with defineTool, register them in defineMcp, and a framework adapter (TanStack or Supabase Edge Functions) emits the route(s) at build time.","latestVersion":"3.3.0","latestPublishedAt":"2026-10-23T12:54:29.824Z","recentVersions":[{"version":"3.3.0","publishedAt":"2026-10-23T12:54:29.824Z"},{"version":"3.2.2","publishedAt":"2026-10-22T14:16:18.747Z"},{"version":"3.2.1","publishedAt":"2026-10-22T11:39:40.125Z"},{"version":"3.2.0","publishedAt":"2026-10-22T10:51:25.689Z"},{"version":"3.1.1","publishedAt":"2026-10-17T09:30:48.118Z"},{"version":"3.1.0","publishedAt":"2026-10-15T06:54:57.203Z"}],"releasesLast90d":32,"dependenciesCount":7,"license":"MIT","registryUrl":"https://www.npmjs.com/package/@lovable.dev/mcp-js","githubUrl":"https://github.com/lovablelabs/lovable","installCommand":"npx -y @lovable.dev/mcp-js@3.3.0","stabilityScore":78,"stabilityGrade":"B"}}