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Stackfacts

by stackfacts.vercel.app · remote · no sign-in to list tools · v0.2.0 · published by app.vercel.stackfacts

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

Changes · 1
CompareRegistry entry

4 tools: 1 change things and 3 only read.

Scanned Oct 21, 2026

No check matched anything in the tool definitions. No finding is not a safety guarantee. How the checks work.

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

Tools

Open a tool for its reasons and full description. Descriptions are the publisher's own words, shown as they are.

4 tools

Changes things 1Claude Code: ask
  • request_categoryTell Stackfacts about a choice you needed facts for that it does not cover yet (for example 'transactional email for a Python app').No findings

    Why it is in this group

    • The name "request_category" says "request": a word for a change.
    Description, as the server wrote it
    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.
Only reads 3Claude Code: allow
  • compareGet 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 w…No findings

    Why it is in this group

    • The name "compare" says "compare": a word for reading.
    Description, as the server wrote it
    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.
  • list_categoriesList the software categories Stackfacts has checked facts for (for example login for Next.js, hosted databases, app hosting).No findings

    Why it is in this group

    • The name "list_categories" says "list": a word for reading.
    Description, as the server wrote it
    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.
  • optionGet the full checked facts and sources for one option in a category, e.g.No findings

    Why it is in this group

    • The description's first verb is "get": a word for reading.
    Description, as the server wrote it
    Get the full checked facts and sources for one option in a category, e.g. Clerk in nextjs-auth.

This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.

Install

Pinned to version 0.2.0. Values in angle brackets are yours to fill in.

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

Run in a terminal.

Claude Code permissions

Allow the reads, ask before a change, deny the deletes. Paste into .claude/settings.json.

.claude/settings.json
{
  "permissions": {
    "allow": [
      "mcp__stackfacts__list_categories",
      "mcp__stackfacts__compare",
      "mcp__stackfacts__option"
    ],
    "ask": [
      "mcp__stackfacts__request_category"
    ],
    "deny": []
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. It assumes the server is installed as stackfacts. Review it before you use it.