{"generatedAt":"2026-10-24T12:11:27.697Z","canonicalUrl":"https://agentbreakwatch.vercel.app/p/supergateway","llmsTxtUrl":"https://agentbreakwatch.vercel.app/p/supergateway/llms.txt","categoryHub":{"slug":"mcp-bridges-devtools","title":"MCP Bridges, Transports, Inspectors & Developer Tools","url":"https://agentbreakwatch.vercel.app/c/mcp-bridges-devtools"},"tldrVerdict":"Supergateway MCP Transport Proxy (supergateway) is currently at v4.2.0 on NPM (published 2026-10-15), with a 90-day Stability Score of 86/100 (B+) and MEDIUM schema drift risk. v4.x adds stateful/stateless Streamable HTTP output flags (--outputTransport streamableHttp) alongside SSE and WS.","package":{"slug":"supergateway","packageName":"supergateway","registry":"npm","kind":"mcp","subcategory":"MCP Bridge & Transport","displayName":"Supergateway MCP Transport Proxy","vendor":"Supercorp","githubRepo":"supercorp-ai/supergateway","breakingSummary":"v4.x adds stateful/stateless Streamable HTTP output flags (--outputTransport streamableHttp) alongside SSE and WS.","schemaDriftRisk":"medium","affectedSymbols":["supergateway"],"migrationBefore":"npx -y supergateway --stdio \"npx -y @modelcontextprotocol/server-filesystem .\" --port 8000","migrationAfter":"npx -y supergateway --stdio \"npx -y @modelcontextprotocol/server-filesystem .\" --outputTransport streamableHttp --port 8000","description":"Run MCP stdio servers over SSE, Streamable HTTP or visa versa","latestVersion":"4.2.0","latestPublishedAt":"2026-10-15T20:14:13.463Z","recentVersions":[{"version":"4.2.0","publishedAt":"2026-10-15T20:14:13.463Z"},{"version":"4.1.0","publishedAt":"2026-09-30T18:38:59.096Z"},{"version":"4.0.0","publishedAt":"2026-09-20T11:03:51.222Z"},{"version":"3.4.3","publishedAt":"2025-10-09T17:04:39.139Z"},{"version":"3.4.2","publishedAt":"2025-10-01T02:01:27.735Z"},{"version":"3.4.1","publishedAt":"2025-10-01T01:45:32.746Z"}],"releasesLast90d":3,"dependenciesCount":12,"license":"MIT","registryUrl":"https://www.npmjs.com/package/supergateway","githubUrl":"https://github.com/supercorp-ai/supergateway","installCommand":"npx -y supergateway@4.2.0","stabilityScore":86,"stabilityGrade":"B+"}}