field notes
4 articles about "field notes".
How to connect MCP servers to Claude Code (2026): the command, .mcp.json and remote OAuth
There are three ways to connect an MCP server to Claude Code: one claude mcp add command, a .mcp.json file in the project root, or a remote server you sign in to with OAuth. Based on the official docs and our own test run: adding stdio and HTTP servers, where the local, project and user scopes are stored, checking status and re-authenticating in /mcp, and six common errors, three of which we reproduced.
Claude Fable 5.2 is here: how to upgrade Claude Code and check which model you are running
Anthropic released Claude Fable 5.2 on November 9, 2026. Paid plans in the claude.ai app offered it the same day, but Claude Code only recognizes it from version 2.1.321. Based on the official docs and our own early-morning test run (Taipei time): how to check your version, upgrade, confirm where the fable alias points, read the unrecognized_model line, and upgrade a setup with one coordinator session and several overnight workers without interrupting anything.
Claude Code Remote Control (/rc): Drive Your Desktop From Your Phone
Run /remote-control (or /rc) in Claude Code, then open the Claude app's Code tab to drive your desktop session by phone. Setup steps and a Telegram comparison.
Controlling Claude Code from Telegram: How I Ran It for 60 Days with Zero Downtime on Windows
How to control Claude Code from Telegram on Windows: 4 design choices and 4 defense layers behind 60 days of zero downtime, plus an MIT toolkit.