databutler-facts
io.github.physics-star-cat/databutler-facts
About databutler-facts
databutler-facts is an MCP server published by the GitHub account physics-star-cat. Official thresholds, rates and fees by key, with source, verified date and signature.
It is hosted by the publisher at one address, so there is nothing to install: your AI client connects to it over the internet.
It asks for no keys or passwords.
Version 1.0.0 was published on 13 October 2026, and the source code is public, so you can read it before installing.
Written from the registry entry. 7 automated checks on the registry entry and the live tool descriptions: 4 pass, 0 warn, 0 fail, 3 info. How we check.
What it asks for
This server declares no environment variables, so it asks for no keys or settings.
Checks
| Check | Result | Detail |
|---|---|---|
| Source repository linked | Pass | https://github.com/physics-star-cat/databutler |
| Remote uses HTTPS | Pass | All remote endpoints use https:// |
| Secrets requested | Info | Asks for no secrets |
| Namespace ownership | Info | Name verified via GitHub account physics-star-cat |
| Registry text aimed at the AI | Pass | Description and settings contain no hidden characters or instructions to the AI |
| Tool descriptions read | Info | Lists 3 tools: get_fact, resolve_fact, what_changed_since |
| Hidden instructions in tools | Pass | Read every tool description and the server instructions: no hidden characters or instructions to the AI |
Popularity & health: 45 / 100
Worked out from public numbers and our own checks, not from user reviews or ratings. It says how used and how looked-after a server is, not whether it is safe.
0 forks, 0 merged pull requests. Sources: GitHub, npm, PyPI (pypistats.org) and Hacker News (Algolia), fetched 2026-10-31.
What people say
No Hacker News threads link to its source code.
Look further: search Reddit, search Hacker News, read its GitHub issues. These are not reviews we checked.
Facts
| Registry name | io.github.physics-star-cat/databutler-facts |
|---|---|
| Publisher | GitHub account physics-star-cat |
| How the name is verified | Name verified via GitHub account physics-star-cat. The registry ties the name prefix to that account or domain; it does not check the code. |
| Type | Remote: hosted at a URL, nothing to install |
| Remote endpoints | streamable-http https://databutler.dev/api/mcp/facts |
| Version | 1.0.0 |
| Published | |
| Last updated | |
| Source repository | https://github.com/physics-star-cat/databutler |
| Website | https://databutler.dev/api |
| Category | Health & science (assigned by keyword rule, not by hand) |
Related servers in Health & science
Seller Profit Doctor4/4Free profit check-up for Etsy, Shopify and Amazon sellers: fees,…
- Japan Food DB4/4Resolve Japanese food names to nutrition facts. All 2,538 foods…
- Doctoreto7/7Unofficial read-only Doctoreto: Iranian doctors, visit fees, free…
- FoodChecker4/4Is this food healthy? A 0-100 score from nutrition, additives and…
DATASUS SIH/SUS — Brazil Hospital Admissions (AIH) MCP8/8DATASUS SIH/SUS hospital admissions in Brazil (AIH, 1992-2025):…
Med Bill Check4/4Is your US medical bill fair? Compares charges with Medicare rates…