# Watermelon UI

> Watermelon UI, an MCP server by watermelon.sh, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. Search free React, Tailwind, and shadcn components, blocks, and dashboards; get installable source.

- Canonical: https://www.anchorterminal.com/tools/watermelon-ui
- Markdown: https://www.anchorterminal.com/tools/watermelon-ui.md (~950 tokens)
- Slim: https://www.anchorterminal.com/tools/watermelon-ui.min.md (~880 tokens, same facts, less prose, for token-sensitive contexts)
- JSON: https://www.anchorterminal.com/tools/watermelon-ui.json (this page as data, same URL with Accept: application/json)
- Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- Updated: 2026-10-05

# Watermelon UI

> Indexed, not reviewed: facts from the official MCP registry and our own checks. No score, grade or rank, and not in the rankings until the panel reviews it. How the index works: https://www.anchorterminal.com/indexed/

- Kind: MCP server, by watermelon.sh (https://ui.watermelon.sh/developers/mcp)
- Listed because: It's published in the registry under watermelon.sh, a namespace the registry only gives to whoever proves they control that domain. It's in real use: 603 GitHub stars.
- What the official MCP registry says: Search free React, Tailwind, and shadcn components, blocks, and dashboards; get installable source.

## Facts

- MCP registry: `sh.watermelon/ui` 2.0.0
- Endpoint: https://mcp.watermelon.sh/mcp (streamable HTTP)
- Source: https://github.com/WatermelonCorp/watermelon-platform
- Website: https://ui.watermelon.sh/developers/mcp
- GitHub stars: 603
- Registry entry updated: 2026-09-30

## Tools

- Tools it lists (8, about 1,091 tokens of context, `tools/list` without credentials over MCP 2026-07-28, checked 2026-10-04 22:25 UTC):
  - `search` (read-only): Search the complete Watermelon UI catalog across components, animated components, blocks, dashboards, and templates.
  - `get_component` (read-only): Get a Watermelon entry with preview, dependencies, install command, and source files when an installable registry item is available.
  - `get_inspiration` (read-only): Return 3-6 visually relevant Watermelon UI options for a design goal before choosing an implementation.
  - `compose_page` (read-only): Create a source-backed page plan by selecting compatible Watermelon blocks for each requested section.
  - `list_categories` (read-only): List Watermelon UI categories and accurate entry counts, optionally for one catalog kind.
  - `catalog_summary` (read-only): Return top-level Watermelon catalog counts across content types.
  - `list_catalog_entries` (read-only): Compatibility alias for listing Watermelon entries by kind.
  - `get_catalog_entry` (read-only): Compatibility alias for getting one Watermelon entry by kind and slug.
- How its tools read to an agent (0 errors, 7 warnings, 1 note, about 1,091 tokens; rules at https://www.anchorterminal.com/check.md; not part of the score):
  - warn TC11 compose_page: none of its 2 parameters has a description
  - warn TC11 get_catalog_entry: none of its 2 parameters has a description
  - warn TC11 get_component: none of its 2 parameters has a description
  - warn TC11 get_inspiration: none of its 3 parameters has a description
  - warn TC11 list_catalog_entries: none of its 4 parameters has a description
  - warn TC11 list_categories: its one parameter, kind, has no description
  - warn TC11 search: 3 parameters without a description: category, kinds, limit
  - note TC24 server: 8 of 8 tools have no outputSchema

- JSON: https://www.anchorterminal.com/api/v1/tools/watermelon-ui.json
- Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming