specification-refiner vs melta UI
specification-refiner is no longer listed on any marketplace we read: these are its last known data, as of 2026‑10‑28.
specification-refiner is a plugin bundle for AI coding tools published by Claude Code Skills. No marketplace we read lists it any more. melta UI is an MCP server published by tsubotax. Marketplaces we read that list it: 2 (Official MCP Registry, npm registry (MCP servers)). As of our marketplace pass on 2026-11-12. A plugin in this pair is no longer listed on any marketplace we read, so search engines are asked not to index the page.
Where each is published
| Marketplace |  melta UI | |
|---|---|---|
| Community marketplace ddunnock/claude-plugins | Removed on 2026-10-28 Version: 2.0.0 Forks (GitHub): 7 Stars (GitHub): 14 Not marked · First seen |
Not listed |
| Official MCP Registry | Not listed | Listed Version: 1.9.1 Downloads/month (npm): 1 162 Downloads/week (npm): 315 Forks (GitHub): 21 Stars (GitHub): 202 Not marked · First seen |
| npm registry (MCP servers) | Not listed | Listed Version: 1.9.1 Downloads/month (npm): 1 162 Downloads/week (npm): 315 Forks (GitHub): 21 Stars (GitHub): 202 Not marked · First seen |
Each figure is the marketplace's own and is never added up across marketplaces. A marketplace that publishes no figure shows none: no number is not zero.
The facts side by side
| Fact | specification-refinerno longer listed · | melta UI |
|---|---|---|
| Marketplaces that list it (differs) | 0 | 2 |
| Stars (GitHub) (differs) | 14 | 202 |
| Forks (GitHub) (differs) | 7 | 21 |
| Last release | Not published | Not published |
| Where it runs (differs) | Installs as a plugin bundle | On your machine (melta-ds-mcp) |
| Transport (differs) | Not stated | stdio |
| Tools it declares | Not published | Not published |
| Environment variables it asks for | Not published | Not published |
| Licence | MIT | MIT |
| Repository (differs) | github.com/ddunnock/claude-plugins | github.com/tsubotax/melta-ui |
| Changes in the last 7 days | 0 | 0 |
| First seen (differs) | 2026-10-15 | 2026-10-11 |
Lines where the two differ have a tinted background and bold values. No value is marked better or worse: a plugin no marketplace lists any more is shown with its last known data, which we do not rank against current figures.
What to use instead of specification-refiner
Plugins still listed whose own names, descriptions, tools and skills are closest in meaning to it. Comparable, not endorsed.
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Agent skills for working with Quint — the formal specification language for distributed systems. Covers spec writing, TLA+ translation, code-to-spec generation, spec review, and…
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SpecForge — compile natural-language requirements into spec.yaml bundles and implement from spec inside Claude Code.
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Explore directions through research-led brainstorming, write comprehensive specs, and implement them with risk-first subagent workflows and live verification
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Iteratively refine product specs through multi-model debate until consensus. Claude actively participates alongside GPT, Gemini, Grok, and other models. Includes interview mode…
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Spec-driven development methodology with skills for requirements, design, tasks, AI prompting, QA, and troubleshooting
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SpecSwarm v7 — Build, Modify, Fix, and Ship with natural language. Spec-driven development with subagent-powered foundation-file generation that reads your project's existing spec…
What each says it does
specification-refiner
Systematic analysis and refinement of specifications with SEAMS framework, sequential clarification questioning, and 9-phase workflow
melta UI
AI-Ready design system MCP: melta UI tokens, component contracts, 107 rules, check_html self-verify
How to run each
specification-refiner
No data for an automatic command: what its marketplaces declare does not say unambiguously how to connect it.
melta UI As a local MCP server: npm package
claude mcp add --transport stdio melta-ui -- npx -y melta-ds-mcpCommands built only from what the marketplaces declare; the full set for every client is on each card.
Tools each declares
Neither one's marketplaces publish a list of tools, so there is nothing to compare.
Settings each asks for
Neither one's marketplaces publish the settings it asks for.
What it can do: specification-refiner · What it can do: melta UI · Compare two other plugins
Data comes from public marketplace files in GitHub repositories of their authors. Data comes from the Official MCP Registry (registry.modelcontextprotocol.io), CC0 1.0. Package data comes from the public npm registry (registry.npmjs.org). Figures come from our own regular passes over the marketplaces, last read on . We publish no contact details for plugin publishers.