# color4-alt

> Open-source publisher. Listings imported from github.com/color4-alt — credited to the original author with their license.

- **Listings:** 1
- **Total installs:** 0
- **Profile:** https://agentstack.voostack.com/s/color4-alt
- **Website:** https://github.com/color4-alt

## Published listings

- [Citecheck](https://agentstack.voostack.com/l/skill-color4-alt-citecheck-citecheck) — Skill · Free · security-reviewed — `agentstack add skill-color4-alt-citecheck-citecheck`
  Use when the user asks to "verify citations", "check references", "validate paper citations", or "evaluate reference relevance". It extracts references from LaTeX/PDF papers, checks formatting rules, verifies existence via Crossref / Semantic Scholar / OpenAlex / PubMed / arXiv / dblp / Google Scholar / WebSearch, and scores thematic/semantic relevance.

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Seller on AgentStack — the marketplace for AI agent skills and MCP servers. Every listing is security-reviewed. Install any with `agentstack add <slug>`.