CLAUDE LABJP
FORK — Claude Code 2.1.212 changes what /fork does: it copies your conversation into a new background session with its own row in claude agents, so you can keep working. The old in-session subagent is now /subtaskLIMITS — WebSearch calls are now capped at 200 per session by default, and subagent spawns get the same 200 ceiling, so a runaway search or delegation loop stops on its ownMCPBG — MCP tool calls running past two minutes now move to the background automatically, keeping the session usable. Tune the threshold with CLAUDE_CODE_MCP_AUTO_BACKGROUND_MSPLANFIX — Fixed plan mode auto-running file-modifying Bash commands such as touch and rm without a permission prompt or an SDK canUseTool callbackSONNET5 — Claude Sonnet 5 is running on introductory pricing of $2 per million input tokens and $10 per million output. After August 31 it moves to $3 and $15IPO — Bankers are reportedly lining up investor meetings for Anthropic ahead of a possible public listing as soon as OctoberFORK — Claude Code 2.1.212 changes what /fork does: it copies your conversation into a new background session with its own row in claude agents, so you can keep working. The old in-session subagent is now /subtaskLIMITS — WebSearch calls are now capped at 200 per session by default, and subagent spawns get the same 200 ceiling, so a runaway search or delegation loop stops on its ownMCPBG — MCP tool calls running past two minutes now move to the background automatically, keeping the session usable. Tune the threshold with CLAUDE_CODE_MCP_AUTO_BACKGROUND_MSPLANFIX — Fixed plan mode auto-running file-modifying Bash commands such as touch and rm without a permission prompt or an SDK canUseTool callbackSONNET5 — Claude Sonnet 5 is running on introductory pricing of $2 per million input tokens and $10 per million output. After August 31 it moves to $3 and $15IPO — Bankers are reportedly lining up investor meetings for Anthropic ahead of a possible public listing as soon as October
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API & SDK/2026-05-04Beginner

7 Common Errors When Getting Started with Claude API in Python (With Fixes)

A practical troubleshooting guide covering the 7 most common errors Python developers hit when starting with the Claude API SDK — from AuthenticationError and RateLimitError to response parsing mistakes and streaming pitfalls.

Claude AI/2026-04-11Beginner

Claude Keeps Switching to English: How to Fix Language Response Issues

Frustrated when Claude switches to English mid-conversation? This guide explains why it happens and how to permanently fix language response issues using system prompts, Projects settings, and CLAUDE.md.

API & SDK/2026-03-21Beginner

First Claude API Call Failing? Common Error FAQ

Claude API beginner's error resolution guide. Covers 401 authentication errors, 429 rate limiting, 400 bad requests, empty responses, streaming failures, tool_use errors, context window exceeded, tool_result submission, and Spanner temporarily unavailable issues.