WebMCP Developer Quick Reference

One-page cheatsheet covering the WebMCP specification, endpoints, and manifest format.

The fastest way to get productive with WebMCP. This developer quick reference covers the full specification: manifest structure, capability definitions, action handlers, auth flow, and agent discovery. Keep it open in a second tab while you build.

Price: $9.00

What's included

• WebMCP spec quick reference (PDF)
• Markdown version for IDEs
• Common error code reference
• Manifest boilerplate JSON

Why it works

Full Spec Coverage

Every WebMCP endpoint, field, and parameter on a single scannable reference.

Code Snippets

Ready-to-paste JS and JSON examples for every major WebMCP operation.

Error Reference

Common error codes and resolution steps for faster debugging.

Frequently asked questions

Which WebMCP version does this cover?

The reference is updated for the 2026 WebMCP specification including the Universal Cart Protocol extensions.

Is this the full specification or an overview?

It is a condensed reference for working developers. The full official spec is available at the WebMCP registry.

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