head to head/Developer Tools

observatory vs TranscriptAPI

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.

TranscriptAPI

YouTube Transcript API with Search, Channels & Playlists

community boosts

⚡ 0

pricing

Paid

what it is

100 free credits to start. YouTube transcript API with video search, channel browsing, and playlist extraction. REST API, YouTube MCP for ChatGPT & Claude, and AI agent skills. Powers 15M+ transcripts/month.