Aws
Pydantic AI structured outputs and evals on Bedrock
From schema-guaranteed structured outputs on Bedrock to Pydantic Evals: how I get LLM output I can actually gate a merge on. read more →
Building and securing MCP servers with FastMCP
Build a production MCP server with FastMCP 3: auth, per-group tool access, audit logging, agents behind tools, S3 signed-URL file delivery, and offline testing. read more →
Building lgtmaybe: a PR reviewer for any model
How I built lgtmaybe, a provider-agnostic PR reviewer with keyless cloud auth, and the fiddly security and concurrency problems that were fun to solve. read more →
Identifiers within AWS CDK
My 2021 explainer on construct IDs and the unique logical IDs CDK generates from them, with a 2026 appendix on what changed in CDK v2 and the renaming footgun to watch for. read more →
Reference and import existing assets into AWS CDK
A 2021 walkthrough of importing existing CloudFormation and referencing live AWS resources in CDK with Python, plus a 2026 appendix on what changed in CDK v2. read more →