Remote MCPs: What we learned from shipping
summary
Anthropic ships remote MCP support for claude.ai and the Anthropic API and standardizes on a single internal protocol by running an MCP gateway that returns an MCP SDK session. The gateway centralizes OAuth handled at gateway and credential portability, adds rate limits and observability, and routes to external or internal endpoints; internal transport uses websocket transport piping JSON‑RPC read/write streams into the SDK. Result: one integration path, easier sampling, and fewer duplicated auth and auditing bugs.
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chapters (7)
- 0:00Introduction and context
- 1:02The case for standardization
- 2:35Understanding MCP
- 4:23Internal adoption benefits
- 6:49The MCP gateway architecture
- 8:52Implementation details
- 12:41Security and takeaways
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