WebMCP guides

Practical guides for implementing and debugging WebMCP, from the team behind the WebMCP inspector.

• WebMCP vs MCP: what's the difference? — Same vocabulary, different transport, hosting, and trust model — and why most sites end up with both.
• Writing WebMCP tool descriptions agents select correctly — The description is the only thing an agent reads before choosing. Here's what belongs in it — and what must not.
• WebMCP spec changes and what to update in your code — What moved, what was removed, what was added, and the one-line code change each one asks of you.

Open the WebMCP inspector