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Writing

Notes on architecture, performance and the decisions behind them.

  • Aug 9, 2026

    Capitalization is my NER model

    The deny-list only knows the names you already registered. 0.1.18 attacks the first leak — and the part I want to defend is the decision to use no model at all. Field notes from pieces-to-agents, entry 5.

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  • Aug 7, 2026

    The promise my tool printed was false

    I audited my own tool pretending the code belonged to a stranger. Thirteen defects came out, including a leak in the very feature that existed to prevent leaks. Field notes from pieces-to-agents, entry 4.

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  • Aug 5, 2026

    The server warned me. My client threw the warning away.

    Three MCP transport bugs with the same anatomy: the right information existed and was discarded on the way. Field notes from pieces-to-agents, entry 3.

    Coding agentsMCPOpen SourceRead →
  • Aug 4, 2026

    One in five bullets belonged to another project

    Filtering by session does not work, because the session is the wrong size. Field notes from pieces-to-agents, entry 2.

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  • Aug 1, 2026

    My tool leaked a salary negotiation

    The first time I ran my own tool on a client repository, it offered to commit a salary negotiation. Field notes from pieces-to-agents, entry 1.

    PrivacyCoding agentsMCPOpen SourceRead →
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© 2026 Tiago Estrela LauerBrusque, Brazil