◉CLAUDE LABJP
●SUNSET — The legacy Workbench and the experimental prompt tool APIs retire on August 17, now two days away●LATEST — Version 2.1.231, released August 13, is current; it fixes MCP OAuth sign-in on servers that use a pre-registered client●RESUME — Version 2.1.229, released August 12, adds `claude remote-control --continue` for picking up your most recent Remote Control session●STREAM — SSE keepalive pings now prevent gateway streaming from dropping on idle timeout during long thinking pauses, which helps Vertex and Bedrock setups●SELFHOST — Version 2.1.224, released August 7, introduces the `claude self-hosted-runner` command for self-hosted environments●MCP — Monthly MCP SDK downloads have passed 400M, a fourfold jump this year, with over 950 servers listed in the connectors directory●SUNSET — The legacy Workbench and the experimental prompt tool APIs retire on August 17, now two days away●LATEST — Version 2.1.231, released August 13, is current; it fixes MCP OAuth sign-in on servers that use a pre-registered client●RESUME — Version 2.1.229, released August 12, adds `claude remote-control --continue` for picking up your most recent Remote Control session●STREAM — SSE keepalive pings now prevent gateway streaming from dropping on idle timeout during long thinking pauses, which helps Vertex and Bedrock setups●SELFHOST — Version 2.1.224, released August 7, introduces the `claude self-hosted-runner` command for self-hosted environments●MCP — Monthly MCP SDK downloads have passed 400M, a fourfold jump this year, with over 950 servers listed in the connectors directory
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Data Validation

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Claude API1Document Processing1Structured Extraction1TypeScript1Production1Cost Optimization1
⬡ API & SDK/2026-07-01Advanced

When Claude API Document Extraction Is Confidently Wrong — Field Notes on Catching Silent Errors with Invariants

In structured extraction from invoices and contracts, the real danger isn't a crash — it's a value that's silently wrong while the schema validates and confidence reads high. Field notes on invariants, two-pass extraction, and tracking field-level error rates.