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• Why pg.Pool Hangs on Cloudflare Workers (and How to Fix It)

  Posted on: 3/1/2026

  Cloudflare Workers isolates freeze between requests, leaving pg.Pool TCP connections stale. Queries on dead sockets hang silently. The fix: close the pool after every request so the next one gets fresh connections.

• Parallel Development with devcontainer + git worktree — Piecing Together a Dev Environment for the Age of AI Agents

  Posted on: 2/22/2026

  How to enable parallel development with git worktree inside devcontainer environments. Introducing devcontainer-wt, a template repository that solves git breakage, port conflicts, and database management challenges.

• Secure .mcp.json Management with direnv — Keep Your API Keys Out of Git

  Posted on: 1/14/2026

  Are you hardcoding API keys in your .mcp.json? Learn how to use direnv to safely manage sensitive credentials as environment variables and prevent accidental git commits.

• Demystifying Playwright Test Agents' seed.spec.ts: What I Learned from Reading the MCP Code

  Posted on: 12/5/2025

  Understanding the role of seed.spec.ts in Playwright Test Agents by diving into the MCP source code to see how AI agents use it for browser setup.

• Deciphering GraphQL: A Deep Dive into Type Merging and Schema Stitching

  Posted on: 9/27/2023

  A detailed walkthrough of GraphQL Type Merging in Schema Stitching, explaining how multiple schemas with the same types are merged at the gateway level.

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