# ToolSDK MCP Registry: AI Tool Listing, free, nofollow link (github.com/toolsdk-ai/toolsdk-mcp-registry)

> ToolSDK MCP Registry is an AI directory at github.com/toolsdk-ai/toolsdk-mcp-registry. It lists AI products, with a rule: published MCP servers only. Listing is free. The link you get is Nofollow: GitHub marks outside links in a README nofollow. Review: reviewers check the submitted JSON file against the publisher's current documentation; servers are not installed or run during review. Terms read on github.com/toolsdk-ai/toolsdk-mcp-registry on 3 October 2026.

Registry that says it holds over 4,500 MCP servers, kept as one JSON file per server, with a validated mark on those that pass its checks. A server needs a public package, Docker image or official HTTPS endpoint, and is added by pull request.

- Site: https://github.com/toolsdk-ai/toolsdk-mcp-registry
- Kind: AI directories
- Verdict: Published MCP servers only
- Price: Free; added by pull request on GitHub
- Link you get: Nofollow: GitHub marks outside links in a README nofollow
- Review: Reviewers check the submitted JSON file against the publisher's current documentation; servers are not installed or run during review
- Reach: tiny (outside the Tranco top million; not in Common Crawl's web graph)
- How to submit: a form; the link or address shows on the page for signed-in visitors (https://listaify.com/login, free)
- Run by: ToolSDK.ai
- Lists: every kind of AI product
- Their rule: https://github.com/toolsdk-ai/toolsdk-mcp-registry/blob/main/docs/CONTRIBUTING.md
- Checked: 2026-10-03

Page: https://listaify.com/places/toolsdk-ai-toolsdk-mcp-registry

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Source: Listaify, https://listaify.com. Every fact is read on the place's own pages on the date shown. Map of the site: https://listaify.com/llms.txt