Simon Willison’s Weblog

6th December 2022 - Link Blog

Understanding a Protocol. Andrew’s latest notes on how ActivityPub and Mastodon work under the hood, based on his extensive development work building out Takahē.

Posted 6th December 2022 at 12:50 am

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One-shotting a Raccoon Heist game using Claude Fable 5 - 5th August 2026
New release of LLM adds support for reasoning traces, OpenAI Responses, server-side tools, and smarter logging - 4th August 2026
Stateless MCP has recaptured my interest (and inspired mcp-explorer and datasette-mcp) - 31st July 2026

This is a link post by Simon Willison, posted on 6th December 2022.

andrew-godwin 19 mastodon 36 activitypub 10

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