The Command+K blog
Field notes on AI-native SaaS.
How to ship MCP servers, embed in-product AI assistants, and monetize AI usage — written by the team building the platform.
- MCP education
How to capture telemetry for MCP tool calls (your access log cannot)
Every MCP tool call is the same POST to the same URL, and a failed one returns HTTP 200. The instrumentation point, the row to write, caller attribution from the user agent, phase timings, and the retention job we added too late.
Oct 6, 2026 · 8 min - MCP education
MCP server analytics: what to measure when your customers' agents are the users
The four metric layers for production MCP servers — per-customer adoption, outcome-based reliability, per-tool health, protection headroom — plus the log schema and the two pitfalls that poison MCP dashboards.
Jul 11, 2026 · 5 min