Model Context Protocol5 min read
OpenAI's MCP Extensions put plugins in ChatGPT's sidebar: 13 features and the portability bill
OpenAI quietly published openai/mcp-extensions on September 29. It is an Apache-2.0 repository with a specification, a TypeScript SDK (@openai/mcp-extensions) and a Python SDK (openai-mcp-extensions), currently at 0.1.0.
By PiekwerkDev.to AI
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Originally published by Dev.to AI on Oct 4, 2026.
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