INDIVIDUAL MCP TOOL

required_catalogs

Given an A2UI payload, return the resolvable catalog URIs it needs (deterministic — pure function of the atoms).

a2uicatalog.ainone authenticationAvailability not checked

LIVE ENDPOINT

https://a2uicatalog.ai/mcp

No auth detected

Connect to this endpoint to inspect the live schema for required_catalogs and invoke it with your own arguments.

{}

Inferred read-only · medium confidence · heuristic, not a guarantee.

No write-capable action terms were found; this is not proof that invocation has no side effects.

CONNECT WITH APPROVAL

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.a2uicatalog]
url = "https://a2uicatalog.ai/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "a2uicatalog": {
      "type": "http",
      "url": "https://a2uicatalog.ai/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: a2uicatalog
Remote MCP URL: https://a2uicatalog.ai/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "a2uicatalog": {
      "url": "https://a2uicatalog.ai/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "a2uicatalog": {
      "type": "http",
      "url": "https://a2uicatalog.ai/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "a2uicatalog",
  "transport": "streamable-http",
  "url": "https://a2uicatalog.ai/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

list_catalogs — List every A2UI catalog with a when-to-use, so you can pick the extension catalogs a surface needs.
get_catalog — Return one catalog's atoms (type + one-line description) so you know its vocabulary.
get_atom_schema — Return the PROP SHAPE (field names + what each field takes) for named atoms.
build_multi_page_surface — Build a multi-section A2UI app from raw title+content sections — you never estimate size or decide how to split; each section becomes its own independently-encoded page (no shared hub, so per-page size never grows with page count — genuinely unlimited sections).
make_surface_url — Render an A2UI payload in the CALLER'S OWN environment.
preview_url — Quick DEMO render on the public renderer (ephemeral, nothing stored).
render_surface — Render an A2UI payload INSIDE the chat as a live interactive view (MCP Apps hosts only — on other hosts this returns the payload as text).
render_ping — Diagnostic: render a tiny test view in-chat (MCP Apps hosts only).