head to head/Developer Tools

observatory vs Tensorust

Neck and neck on boosts. Profiles, pricing and deals below.

observatory

Independent drift detection for public MCP servers - free, read-only, reproducible.

community boosts

⚡ 0

pricing

Freemium · Free public API

what it is

Dominion Observatory - independent, read-only measurement of public MCP servers. Signed tool-definition captures, canonicalization-hashed so any third party can recompute them, and drift detection when a server's tools change. Free public API, no account required.

Tensorust

Tensorust API and MCP server: data and tools for agents, free tier

community boosts

⚡ 0

pricing

Freemium

what it is

REST API, MCP server and JSON for real crates.io downloads, AI API and GPU prices, and service uptime. Free current values; full history $19/mo or per call. Curl, Python, JS.