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.
- Comparison & discovery
What is the best MCP gateway for production use?
Two different products are called an MCP gateway. Here is how to tell which one you need, and the exact checks a production gateway should run before a request reaches your API.
Sep 22, 2026 · 7 min - MCP education
MCP error handling patterns that hosts can actually use
Three error categories every MCP server should return — retryable, user_action_required, permanent — plus the shape, the audit story, and why you should never leak a stack trace.
Jul 13, 2026 · 4 min - MCP education
MCP rate limiting and quotas: a practical guide
Why MCP servers need stricter limits than REST APIs, and how to layer per-tool, per-user, per-workspace, and cost caps without breaking agent UX.
Jul 5, 2026 · 4 min - MCP education
The production MCP server checklist
Ten things every MCP server needs before it ships to enterprise customers — auth, scopes, quotas, observability, audit, versioning, dry-run, rollback, health, docs.
Jul 4, 2026 · 5 min - MCP education
MCP server security: a production checklist
Production security checklist for MCP servers: short-lived per-user JWTs, tool-level authorization, gateway rate limits and cost caps, confirmation for destructive writes, prompt-injection handling, and append-only audit logs.
Jun 21, 2026 · 7 min