{"type":"post","id":"openai-open-sources-mcp-extensions-for-chatgpt-native-672594","slug":"openai-open-sources-mcp-extensions-for-chatgpt-native-672594","title":"OpenAI open-sources MCP Extensions for ChatGPT-native plugins","description":"OpenAI has released MCP Extensions, an open-source SDK and specification for adding ChatGPT-specific interface capabilities to MCP servers and apps.","retrieval_nugget":"OpenAI has released MCP Extensions, an open-source SDK and specification for adding ChatGPT-specific interface capabilities to MCP servers and apps.","published_at":"2026-11-12","updated_at":"2026-11-12","record_date":"2026-11-12","date_kind":"published_at","topics":["mcp","codex"],"entities":["OpenAI","MCP Extensions","ChatGPT","Model Context Protocol","Codex","Bits & Bolts"],"related_patterns":["agent-ready-software-exposes-capabilities"],"novelty_label":"same_event","what_changed":null,"prior_refs":["https://newruntime.com/posts/build-richer-more-interactive-plugins-for-chatgpt-analysis-73d222/"],"source_url":"https://github.com/openai/mcp-extensions","source_urls":["https://github.com/openai/mcp-extensions"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:openai-open-sources-mcp-extensions-for-chatgpt-native-672594","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/openai-open-sources-mcp-extensions-for-chatgpt-native-672594/","markdown":"https://newruntime.com/posts/openai-open-sources-mcp-extensions-for-chatgpt-native-672594.md","json":"https://newruntime.com/posts/openai-open-sources-mcp-extensions-for-chatgpt-native-672594.json"},"markdown_url":"https://newruntime.com/posts/openai-open-sources-mcp-extensions-for-chatgpt-native-672594.md","next_reads":[{"type":"topic","path":"/topics/mcp/","url":"https://newruntime.com/topics/mcp/","title":"Mcp","reason":"Explore the mcp topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/mcp.md","json_url":"https://newruntime.com/topics/mcp.json"},{"type":"topic","path":"/topics/codex/","url":"https://newruntime.com/topics/codex/","title":"Codex","reason":"Explore the codex topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/codex.md","json_url":"https://newruntime.com/topics/codex.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/sources/","url":"https://newruntime.com/sources/","title":"Sources","reason":"See the original sources this archive cites.","media_type":"text/html"}]}