A Chrome profile per project for chrome-devtools MCP — one gitignored .mcp.json each
chrome-devtools-mcp shares one Chrome profile across all projects, so two repos cannot both drive Chrome. A per-project .mcp.json with --userDataDir fixes it.
MCP
A GitHub Actions job that mints its own Cognito M2M token to test what it just deployed
GitHub OIDC gives CI an AWS identity, but a JWT-authorized MCP endpoint needs a second one: a Cognito client_credentials token read from terraform output.
Deploying an MCP server on Bedrock AgentCore — Cognito OAuth, and a benchmark that lied
Deploying a Python MCP server on Bedrock AgentCore with Cognito OAuth: the IAM action that is not InvokeModel, and a 225x benchmark that was really 2.3x.
How do Chrome DevTools MCP and Playwright MCP differ, and why I chose Chrome DevTools for my Astro blog
Chrome DevTools MCP and Playwright MCP expose different surfaces to a coding agent. What each gives you, and why an Astro blog kept one and denied the other.
A2A vs MCP — why agent-to-agent needs its own protocol, and why only A2A added gRPC
Why MCP alone is not enough between agents: peer refusal, Agent Card discovery, task state, and why A2A v1.0 offers gRPC while MCP stays on HTTP.