Key takeaways
- "Free MCP server" usually means free server software, not a free underlying service.
- Check what the server wraps: a paid platform API still needs a paid account, MCP server or not.
- A server for a free/open protocol (e.g. Bluesky’s AT Protocol) can be genuinely free end-to-end.
- A hosted vendor’s MCP access is typically gated by that vendor’s own plan, not priced separately.
Two different meanings of "free"
Free to RUN: the server’s source code is open and costs nothing to self-host — you still pay for whatever it connects to, if that thing costs money. Free END-TO-END: both the server and the service it wraps cost nothing — this is only true for genuinely free/open underlying services.
Checking before you assume "free"
Ask two questions before calling any MCP server free: does the underlying platform API it wraps require a paid account or subscription, and does connecting it to a hosted AI client (ChatGPT’s Developer Mode, for instance) itself require a paid plan on THAT side. A server can be free open-source code while both of those still cost money.
Best free MCP servers: where a hosted vendor’s MCP access fits
A vendor-hosted MCP server (like SkedCast’s) is typically gated behind that vendor’s own subscription plan rather than priced as a separate add-on — check the vendor’s pricing page for which plan tier includes API/MCP access rather than assuming it’s bundled everywhere or costs extra everywhere.
FAQ
- Is SkedCast’s MCP server free to use?
- MCP access is a plan entitlement — see the pricing page for which plan tier includes it. It isn’t priced as a separate metered add-on.
- If an MCP server is open-source, is it automatically free to use?
- The server code is free to self-host, but check what it connects to — an open-source MCP server that wraps a paid platform API still needs that paid account behind it.