Stackfacts

Tools

Token cost is the o200k count of the tools list JSON, including schemas, before any tool is called.

• 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.

• 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. Incl

• option

  Get the full checked facts and sources for one option in a category, e.g. Clerk in nextjs-auth.

• 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.