head to head/Developer Tools

observatory vs Swingback

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.

Swingback

Swingback: user feedback tool with voting, roadmap and changelog

community boosts

⚡ 0

pricing

Freemium

what it is

Collect user feedback in a portal and an in-app widget, sync feature requests with GitHub and Linear, and tell every voter when you ship. Free plan, flat price.