A2ui Basic Catalog MCP tool

MCP findutils:a2ui_basic_catalog

Returns the authoritative basic-catalog JSON Schema (components, functions, theme) for the requested A2UI version. Use this to validate agent output or bootstrap a custom catalog.

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Arguments

application/json

Fetch the machine-readable schema from GET https://api.findutils.com/api/tools/, or call tools/list on the MCP server.

Example arguments

Verified

{
  "version": "v0.9"
}

A2ui Diff Computes a structural diff between two A2UI JSONL payloads: surfaces added/removed, components added/removed/changed (by id), data-model…
A2ui Examples Returns one or more canonical A2UI JSONL examples matching a pattern (form, list, wizard, modal, chat, dashboard, checkout, typeahead…
A2ui Prompt Generates a drop-in LLM system prompt that teaches the model to output valid A2UI JSONL: includes the basic-catalog component / function…
A2ui Spec Returns A2UI protocol documentation for a given spec version and section.
A2ui Validate Validates a JSONL A2UI payload against the basic catalog (or a custom catalog) and returns any errors, warnings, or info messages…
Ai Model Picker Return the best-matching AI coding models (top 3 by default) for a project, scored on speed, accuracy, cost and context window from four…

claude mcp add findutils --transport http https://mcp.findutils.com/

{
  "mcpServers": {
    "findutils": {
      "url": "https://mcp.findutils.com/"
    }
  }
}

curl -X POST https://mcp.findutils.com/ \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "tools/call",
    "params": {
      "name": "a2ui_basic_catalog",
      "arguments": {
        "version": "v0.9"
      }
    }
  }'

Rate limit: 120 a minute, per IP
Auth: None
MCP name: a2ui_basic_catalog
Category: Developer
Machine-readable: openapi.json · markdown.md

Arguments

Example arguments

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