◉CLAUDE LABJP
●PRICING — Anthropic has cancelled the September 1 increase for Claude Sonnet 5. The $2 input and $10 output per million tokens is now simply the standard price, so any forecast built on $3 and $15 needs redoing●VERSION — v2.1.241, released August 23, is a fixes-and-reliability release. MCP v2 no longer reopens subscriptions/listen endlessly against servers that close long-held streams on a fixed timeout●LINUX — Idle sessions on Linux with sandboxing enabled no longer pin a CPU core at 100 percent●SKILLS — Bundled skill aliases such as /checkup and /review no longer report Unknown command in -p mode or with plugins and MCP loaded when a same-named user or project skill shadows them●ARGS — Skill and command argument substitution no longer re-expands argument values as template markers●WATERMARK — Claude products released from August 2 onward embed machine-readable marking in generated output. It answers EU AI Act transparency rules, but it is applied worldwide rather than only in Europe●PRICING — Anthropic has cancelled the September 1 increase for Claude Sonnet 5. The $2 input and $10 output per million tokens is now simply the standard price, so any forecast built on $3 and $15 needs redoing●VERSION — v2.1.241, released August 23, is a fixes-and-reliability release. MCP v2 no longer reopens subscriptions/listen endlessly against servers that close long-held streams on a fixed timeout●LINUX — Idle sessions on Linux with sandboxing enabled no longer pin a CPU core at 100 percent●SKILLS — Bundled skill aliases such as /checkup and /review no longer report Unknown command in -p mode or with plugins and MCP loaded when a same-named user or project skill shadows them●ARGS — Skill and command argument substitution no longer re-expands argument values as template markers●WATERMARK — Claude products released from August 2 onward embed machine-readable marking in generated output. It answers EU AI Act transparency rules, but it is applied worldwide rather than only in Europe
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Context Management

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Claude API2Agent SDK1MCP1Token Optimization1chat implementation1indie development1production issues1streaming1session management1cost optimization1Claude Code1long sessions1
⬡ API & SDK/2026-06-30Advanced

When a Tool Result Is Too Big and Melts Your Context Window: Designing Cursor-Based Pagination

When a list tool returns hundreds of rows at once, an agent's context can collapse in a single call. Here is a cursor-based pagination design that keeps tool output small and protects your token budget, with working code.

⬡ API & SDK/2026-05-14Advanced

6 Traps I Hit Building In-App AI Chat with Claude API — A Record of Getting to Production

Six real design mistakes I encountered shipping Claude API in-app chat to production — covering context management, streaming error detection, guardrails, session persistence, model versioning, and cost monitoring. Includes working TypeScript code.

⟐ Claude Code/2026-04-21Advanced

Keeping Claude Code Accurate Through Long Sessions: Signals of Context Decay and What to Do About Them

After a few hours in the same Claude Code session, output quality can quietly slip. This is a practical field guide to spotting the early signals, choosing where to end a session, and keeping a long workflow reliable.