Claude Projects decoded: agents aren’t allowed to type anymore, and a brand new hearthbot MCP

23 Oct 2026 Claude Projects decoded: agents aren’t allowed to type anymore, and a brand new hearthbot MCP Anthropic recently launched Projects in Claude Code - a way to run multiple tasks on the same repo in parallel. I was trying it out on a fairly complicated repo, and at one point asked Claude: Okay so what do i do now? next steps? It came back with 4 steps. Step 1 was to merge a PR. So I merged it. About 10 seconds later, step 1 got crossed out. Same message, with “(edited)” underneath. We’ve all been using Claude Code and Codex for a while now, and I had never seen any of these go back and change something it had already said. So I wanted to go deeper. TL;DR In the newly launched Claude Projects, Claude can’t type plain text anymore. Every message is a tool call to a new MCP server called hearthbot - which is why it can go back and edit. Projects is not just parallel agents. It’s a proper team. A coordinator that can’t do any work itself, workers with their own repo, and a room…