Stackfacts

Deprecated in registry

app.vercel.stackfacts/stackfactsVersion 0.2.0

Neutral, sourced, dated facts for choosing software: price, free tier, idle rules, security record.

Status

Responds179 msNov 14, 2026, 13:39 UTCAnswered our handshake without sign-in.

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Deprecated in registry

The publisher marked this server as deprecated.

Last checked: Nov 14, 2026, 13:39 UTC
Latency: 179 ms
Remotes responding: 1 of 1
Sign-in: No sign-in
Hosting: Hosted outside the EU (detected)
Registry data as of: Nov 14, 2026, 21:12 UTC

Data from the official MCP Registry, checked by run.zero. How we check

Connect

Streamable HTTP

https://stackfacts.vercel.app/mcpResponds179 msNov 14, 2026, 13:39 UTC

No sign-in

Claude Code

claude mcp add --transport http stackfacts https://stackfacts.vercel.app/mcp

Claude Desktop and claude.ai

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Settings > Connectors > Add custom connector
Name: stackfacts
Remote MCP server URL: https://stackfacts.vercel.app/mcp

Cursor

{
  "mcpServers": {
    "stackfacts": {
      "url": "https://stackfacts.vercel.app/mcp"
    }
  }
}

VS Code

code --add-mcp '{"name":"stackfacts","type":"http","url":"https://stackfacts.vercel.app/mcp"}'

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Tools

4 tools

Tools of Stackfacts
	Description		Read-only	Idempotent	Open world
`compare`Get sourced, dated facts for every option in one category: price, free tier, what happens when idle, published security record where available, and whether an agent can set it up without a human. Includes a pick for each common situation and the list of what was NOT checked. Neutral: no vendor pays for placement. Use before choosing a library or service.	Get sourced, dated facts for every option in one category: price, free tier, what happens when idle, published security record where available, and whether an agent can set it up without a human. Includes a pick for each common situation and the list of what was NOT checked. Neutral: no vendor pays for placement. Use before choosing a library or service.	Not declared	Not declared	Not declared	Not declared
`list_categories`List the software categories Stackfacts has checked facts for (for example login for Next.js, hosted databases, app hosting). Call this first when you need to choose a library or service.	List the software categories Stackfacts has checked facts for (for example login for Next.js, hosted databases, app hosting). Call this first when you need to choose a library or service.	Not declared	Not declared	Not declared	Not declared
`option`Get the full checked facts and sources for one option in a category, e.g. Clerk in nextjs-auth.	Get the full checked facts and sources for one option in a category, e.g. Clerk in nextjs-auth.	Not declared	Not declared	Not declared	Not declared
`request_category`Tell Stackfacts about a choice you needed facts for that it does not cover yet (for example 'transactional email for a Python app'). Helps decide what gets checked next.	Tell Stackfacts about a choice you needed facts for that it does not cover yet (for example 'transactional email for a Python app'). Helps decide what gets checked next.	Not declared	Not declared	Not declared	Not declared

Details

Registry status: Deprecated
Published: Oct 3, 2026
Updated: Oct 3, 2026
Website: https://stackfacts.vercel.app/⁠ (opens in a new tab)
Repository: Not given
Categories (suggested): SecuritySuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared

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