observatory vs OwnMailServer
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.

OwnMailServer
Meta Muse Email Connector: Deliverability in Muse
community boosts
⚡ 0
pricing
Paid
what it is
A Meta Muse connector (MCP server) for your email: ask about delivery, bounces, complaints and DNS health in plain English. Read-only, included with sending.