◉CLAUDE LABJP
●2.1.310 — Monitor tool now works on Bedrock, Vertex and Foundry, and gateway failures are fixed (10/23)●2.1.307 — Fixes MCP failing to reconnect after sleep or a keychain lock (10/21). 2.1.306 also fixed the false claude -p login message●SONNET 4.5 — Retires on the Claude API on 11/30, 36 days left. Migrate to Sonnet 5.5●WINDOWS — Reports say hooks break silently only on Japanese-locale Windows; check the character encoding first●API — In API version 2026-10-21, passing temperature, top_p or top_k returns a 400 error●NEW — I Put a Ten-Line Promise File at the To…●2.1.310 — Monitor tool now works on Bedrock, Vertex and Foundry, and gateway failures are fixed (10/23)●2.1.307 — Fixes MCP failing to reconnect after sleep or a keychain lock (10/21). 2.1.306 also fixed the false claude -p login message●SONNET 4.5 — Retires on the Claude API on 11/30, 36 days left. Migrate to Sonnet 5.5●WINDOWS — Reports say hooks break silently only on Japanese-locale Windows; check the character encoding first●API — In API version 2026-10-21, passing temperature, top_p or top_k returns a 400 error●NEW — I Put a Ten-Line Promise File at the To…
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Shell scripting

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Claude Code3Automation2claude -p1headless1troubleshooting1Troubleshooting1Operations1
⬡ API & SDK/2026-10-21Intermediate

When claude -p Seems to Ignore Its Task, Check Argument Order Before Blaming the Model

A task passed to claude -p is ignored and the agent starts exploring the repo. One GitHub report says swapping -p and --append-system-prompt changed that. Here is a sentinel script that tests whether your instructions arrived, plus calling patterns that don't depend on order.

⟐ Claude Code/2026-09-01Intermediate

Drop the quotes on a heredoc and the prices in your log quietly change

An unquoted heredoc runs the variables and backticks inside its body. Here are the four ways my log got rewritten, how the three quoting forms compare, a safe placeholder-and-sed pattern, and a small script for auditing what you already have.

⟐ Claude Code/2026-08-22Beginner

Handing a long job to another session — and the completion marker for when the notification never arrives

How to use notify_when_idle to hear when another Claude Code session finishes, and a small completion marker that keeps you from waiting forever when the notification is dropped.