Stateless MCP has recaptured my interest (and inspired mcp-explorer and datasette-mcp)
Why CEREBRO kept it
MCP 2.0 rollout enables agent context integration
The text below is an automated extraction of the article at https://simonwillison.net/2026/Jul/31/stateless-mcp/#atom-everything, stored verbatim in the public cerebro-vault repository. Copyright remains with the original publisher (simonwillison.net).
<p>Tuesday was <a href="https://x.com/ade_oshineye/status/2082129440943866149">Stateless MCP day</a> - the rollout of MCP 2.0, or <a href="https://blog.modelcontextprotocol.io/posts/2026-07-28/">the 2026-07-28 Model Context Protocol specification</a> to use the more formal but less memorable name. This is the most significant change to the MCP spec since it first launched, and has also served to reignite my personal interest in the protocol.</p> <p>For background: MCP is the Model Context Protocol, which describes a standard way to expose new tools to LLM-powered agent frameworks. It was intro
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