I got tired of describing the same request 3 times in Symfony
When building Symfony APIs, I kept duplicating the same request contract: validation rules in a DTO OpenAPI schema (often separately) mapping / glue c…
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Designing Idempotent Bulk Import Pipelines (E.164, VIN, and the Rest)
Designing Idempotent Bulk Import Pipelines (E.164, VIN, and the Rest) Bulk imports are a special category of pain. You give the user a CSV uploader, t…
Madrigal's "Failures as Eval Suites" Pattern and How Flow Already Provides the Infrastructure
A blog post on LangChain's site about how Madrigal Pharmaceuticals built their multi-agent AI platform caught my attention this week. Not because of t…
JSON Structure: The Schema Language That Actually Works for Developer
If you've ever tried to do serious code generation from JSON Schema — or used OpenAPI tooling on a complex schema and watched it give up mid-object — …
Pydantic & Data Validation — Border Control for Python APIs (2026)
Fortifying APIs: Data Validation with Pydantic When building backend services, a fundamental principle stands above all others: never implicitly trust…
The Dangerous Bugs Are the Ones That Don't Crash — Building Input Validation for My MCP Server
The Dangerous Bugs Are the Ones That Don't Crash: Building Input Validation for My MCP Server I was building an MCP server for an event platform that …