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mcp/harbor
Verified official

A2UI Atomic Catalog MCP

v1.0.0

ai.a2uicatalog/catalog

500+ typed UI atoms an agent composes into real rendered interfaces. Free, no API key.

transport:streamable-http tools:40
View source Website

Target client

run in your project directory 

claude mcp add --transport http catalog https://a2uicatalog.ai/mcp

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

list_catalogs Read-only

list catalogs

get_catalog Read-only

get catalog

find_atoms Read-only

find atoms

get_atom_schema Read-only

get atom schema

required_catalogs

required catalogs

build_multi_page_surface

build multi page surface

make_surface_url

make surface url

preview_url

preview url

render_surface

render surface

make_film

make film

sketch_agent_start

sketch agent start

sketch_agent_poll

sketch agent poll

render_ping

render ping

wasm_spike

wasm spike

diagram_studio

diagram studio

amiga

amiga

distill_document

distill document

publish_url Mutating

publish url

unpublish_url

unpublish url

emit_deployment

emit deployment

emit_training_runbook

emit training runbook

emit_runbook_surface

emit runbook surface

describe_playbook Read-only

describe playbook

open_workspace

open workspace

get_profile Read-only

get profile

save_profile

save profile

save_reading

save reading

export_reading Read-only

export reading

render_reading_to_slack

render reading to slack

list_readings Read-only

list readings

delete_reading Mutating

delete reading

read_article Read-only

read article

deck_schema

deck schema

deck_validate

deck validate

deck_build

deck build

drawio_open

drawio open

unlink_slack_account

unlink slack account

wall_calc

wall calc

whoami

whoami

identify_model

identify model

All 40 tools, one page each

171 resources you attach as context

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.