Posts
All articles on AI-native work patterns, agent infrastructure, and what actually works when running agents as real tools.
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Dictation and Meeting Notes, Fully Local: Rebuilding Wispr Flow and Granola Without the Cloud
I built VoiceVault, an open-source macOS app that replicates the Wispr Flow dictation experience and the Granola meeting-notes experience with everything — audio, transcription, and summarization — running on-device.
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Building Voice Agents with LiveKit, Cartesia, and AWS
A phone agent becomes useful only when its media, model, action, security, retention, and teardown boundaries work together.
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The AI Chips After NVIDIA
The serious AI chip challengers are not building one replacement for NVIDIA. They are attacking different bottlenecks in memory, latency, power, networking, and software.
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Building an Autonomous AI News Agent on Step Functions and AgentCore
A daily pipeline that fetches 24 RSS feeds, dedups across sources, categorizes into nine fixed buckets, tracks story threads across days, and writes a digest with no human in the loop. What broke, what the real timeout ceiling turned out to be, and why the shape changed twice before it worked.
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MCP Became Stateless: Migrating a Real AgentCore Gateway
MCP 2026-07-28 removes protocol sessions from remote calls. Here is what changed in a working AgentCore WebSearch gateway, what stayed untouched, and how to migrate without breaking older clients.
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The Five-Layer AI Stack Is an Inverted Pyramid
Jensen Huang's five-layer AI cake explains the dependency chain. An inverted pyramid reveals where participation expands and where market power concentrates.
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Open Data Wasn't Missing. The Interface Was.
A 12-domain benchmark and Sentinel-2 experiment show where the Registry of Open Data MCP server works, where search fails, and what the interface unlocks.
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Every Way to Attribute Cost on Amazon Bedrock, Live-Tested
A working map of every mechanism Amazon Bedrock has for attributing inference cost — resource tags, identity tags, and request metadata — with config examples, and where SaaS billing has to leave the AWS billing layer entirely.