head to head/Developer Tools

observatory vs PermitStack

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.

PermitStack

PermitStack Documentation

community boosts

⚡ 0

pricing

Freemium

what it is

Connect PermitStack to Claude, ChatGPT, Claude Code and other MCP apps: the hosted read-only connector, how sign-in works, what a connected app can read, and how to disconnect it.