head to head/Developer Tools

observatory vs Postemi

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.

Postemi

MCP server for AI agents: schedule posts

community boosts

⚡ 0

pricing

Freemium

what it is

The Postemi MCP server lets AI agents schedule social media posts. What it is for, which URL your client connects to, which key it needs, and what the agent sees.