By John Gruber
WorkOS — MCP vs. REST: the right way to connect agents to your API.
REST serves the developers building against your API. MCP serves the agents now trying to use it. Most teams treat these as competing standards and have to pick one.
They’re not rivals, they’re layers: most MCP servers just call REST internally to do the real work. The best ones don’t convert every endpoint into a tool, they design around what the agent’s trying to accomplish.
Shipping that server also means shipping OAuth 2.1 with scoped tokens. WorkOS AuthKit already speaks that spec, so you skip building an auth provider on top.
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