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Resource / AI Infrastructure
Model Context Protocol
An open protocol connecting models with external tools, data sources and workflows.
Free and open source
The specification and SDKs are public; service costs and permissions of individual servers must be checked separately.
Quality score
29 / 30
Strong Candidate · Maintenance risk 4/5
Official sources
Last verified: 2026-08-28. A free tier is not a permanent commitment; re-check the official conditions before use.