BRIEF · OCT 15

AWS agents that write their own extraction rules

Self-training document agents, plus GitHub's new defense against leaked Claude keys.

AWS's Bedrock AgentCore sample has agents write and save their own extraction rules, cutting repeat documents from 3:49 to 1:30, per AWS's blog. See the agent loop and AWS's $58-a-month cost math.

Also in today's brief

A Claude key leak now gets stopped early

Tools & How-To

Illustration of a code push being blocked for an exposed API key

GitHub now stops Claude keys at the push.

Push protection blocks two Anthropic key formats by default, free public repos included, per GitHub's changelog. Why keys already in your history are still exposed.

Quick Hits

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Gemini 4 Argon lands in Copilot. Copilot users can now pick it, with the strongest gains on terminal-agent tasks, per GitHub's changelog.

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GitHub Actions gets workflow lockfiles. A public preview lets teams pin Action dependencies against supply-chain drift, per GitHub's changelog.

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Notion 3.8 opens its agents to MCP. Agent connections are now MCP-compatible, and a new Skills API spans seven AI models, per Notion's release notes.

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Security overview now tracks AI Scan. GitHub's dashboard shows how much AI-generated code your scans cover, per GitHub's changelog.

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Anthropic opens a Singapore office. Its fifth Asia-Pacific office follows usage running well above population-adjusted expectations, per Anthropic's newsroom.

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Jonathan Hildebrandt
Co-founder and primary operator of Pondero. Writes the Pondero Brief.

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Pondero Brief: AWS agents that write their own extraction rules, for $58 a month

AWS agents that write their own extraction rules

GitHub now stops Claude keys at the push.

Don't leave empty-handed.