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The Model Context Protocol ecosystem, verified

Current spec 2026-07-28

melta UI

Earlier Revision Publisher unverified Confidence: Good (0.85)

melta UI is an MCP server published by tsubotax, verified on MCP revision 2025-11-25; support for the current revision (2026-07-28) is not yet confirmed. Last verified 2026-08-20.

Does melta UI support the current MCP specification (2026-07-28)?

Not yet confirmed. melta UI is verified on revision 2025-11-25; we have not confirmed support for the current revision (2026-07-28) as of 2026-08-20.

Is melta UI a first-party (official) MCP server?

Undetermined. We have not verified the publisher relationship for melta UI (as of 2026-08-20).

How do I connect to melta UI?

melta UI is available via the package npm:melta-ds-mcp, the official MCP Registry under io.github.tsubotax/melta-ui, the source repository at https://github.com/tsubotax/melta-ui. Authentication: unknown. Transports: stdio.

Does melta UI support MCP revision 2025-11-25?

Yes. melta UI supports MCP revision 2025-11-25 (checked 2026-08-20).

Does melta UI support MCP revision 2026-07-28?

No. melta UI was checked against MCP revision 2026-07-28 and does not support it (checked 2026-08-20).

When were melta UI's facts last verified?

2026-08-20. Each fact on this page links to the sources used to verify it.

AI-Ready design system MCP: melta UI tokens, component contracts, 99 rules, check_html self-verify

Which MCP spec revisions does melta UI support?

melta UI has 2 verified spec-support records. Each row lists the revision, the verified status, the evidence URL, and the date that fact was last checked.

Spec revision Status Last checked Evidence
MCP 2025-11-25 Supported Source
MCP 2026-07-28 Not supported Source

How widely adopted is melta UI?

Ranked #234 in The MCP 500 with Adoption Index 49.93 (snapshot , methodology v1).

Measurement Value Source
Official MCP Registry yes API ·
Docker MCP Catalog no API ·
npm downloads (weekly) 272 API ·
GitHub stars 197 API ·
GitHub forks 21 API ·
Last push 2026-09-15T01:46:51Z API ·
Repository archived no API ·

Repository and package signals for melta UI

Measured directly from the source registries, not asserted from a document. Each figure carries the date it was read; none of it affects the verified spec status above.

Repository as of

Created
Open issues
1
Primary language
TypeScript
License (repository)
MIT
Continuous integration
Present
Tests
Present
Security policy
Present

Declared topics: ai-ready, claude-code, cursor, design-system, japanese, tailwindcss, ui-components — author-declared on the repository, not our taxonomy.

Package (npm) as of

Latest version
1.6.0
Last published
First published
Releases
5
License (package)
MIT
Maintainers
1
Direct dependencies
2
Unpacked size
691 KB
Registry signature
Signed
Build provenance
No attestation

How was this verified, and what are the sources?

Verified · method: sdk-protocol-constant · confidence 0.85 (Good).

  1. Official MCP Registry record for io.github.tsubotax/melta-ui at version 1.3.0 - lists package npm:melta-ds-mcp and repository https://github.com/tsubotax/melta-ui - accessed
  2. npm registry metadata for melta-ds-mcp at published version 1.6.0, retrieved 2026-08-20 - declares a dependency on @modelcontextprotocol/sdk, which resolves to @modelcontextprotocol/sdk@1.30.0 - accessed
  3. Published artifact of @modelcontextprotocol/sdk@1.30.0, retrieved 2026-08-20 - the artifact declares LATEST_PROTOCOL_VERSION 2025-11-25 and carries no 2026-07-28 implementation. Read from the artifact itself, not from release notes - accessed