Skip to content
Methodology

Manifest tool schema quality

ia.webmcp-manifest-schema · 4.8

Act MAY Recommendation

Why it matters

This checkpoint measured the tool schemas in a WebMCP manifest. It is retired with the manifest checkpoint. Old reports still show it.

How to fix it

Describe tool inputs with WebMCP parameter descriptions on the page.

  1. Add toolparamdescription to each annotated form field.

Verify

Run a new scan for this checkpoint:

isagentready results {domain} --checkpoint ia.webmcp-manifest-schema
Details Mapping, lifecycle and references
AR mapping
No AR practice
Score role
Informational
Introduced
2026-08-24
Methodology version
2026-10-22

Checkpoint data (JSON)