MCP — Model Context Protocol servers and clients. · 30 posts
Spent friday night wiring LangGraph → n8n MCP → Google Calendar so the bot can book demos from WhatsApp. Tool list looked fine. create event returned 200 twice for the same lead. Client got two invit…
Was debugging a flaky CI job in Cursor and the filesystem MCP happily read my playwright report/trace.zip . 2.1GB. Into the context. Session went sideways, bill jumped $14 before I noticed the spinne…
Tried Nightfall’s MCP gateway in front of Cursor this week after one of our agents quietly called a shell MCP that dumped .env into a PR description. It caught a filesystem read outside the allowlist…
Tried Nightfall MCP Gateway on Tuesday night because Claude Code kept calling gh against the wrong org during a payout hotfix. It did catch the bad call. Then it also blocked the right call for about…
Was wiring a filesystem MCP into Cursor so the agent could peek at configs. Asked it to "check the project layout". It ran what looked like a recursive ls and dumped 40k tokens of node modules paths…
Left Claude Code running against our staging MCP last night so it could finish a migrations cleanup. Woke up to Anthropic showing $41 in overnight usage. Turns out the access token had rotated at 2am…
Spent Friday afternoon debugging why Claude Desktop kept dropping my custom MCP server mid session. Turns out the OAuth refresh token expired after 55 minutes, the client just stopped calling tools w…
War story from last night, maybe useful if you wire custom MCP tools into Cursor. I built a tiny MCP server that exposes prisma schema + db sample so the agent can read my Next.js app's schema withou…
Hot take: half the MCP servers on GitHub are demos with zero rate limiting and secrets in .env.example . What's a server you trust in production? Context7 has been useful for docs; curious about brow…