Notes on building software.
A personal blog of technical articles about software development.
Using Environment Variables in MCP Config
Pass secrets to MCP servers with --env or with ${VAR} expansion in .mcp.json so keys never get committed to git.
Referencing MCP Resources with @ Mentions
Beyond tools, MCP servers publish resources you can pull into a prompt with an @ mention so Claude reads them first.
Managing MCP Servers: list, get, remove
Use claude mcp list, get, and remove plus the in-session /mcp menu to review, inspect, and clean up your servers.
Troubleshooting MCP Connections
When an MCP server won't connect, work through status, config, transport, auth, and environment variables in order.