Model Context Protocol
How does an MCP client discover a server and call its tools?
A remote MCP server over Streamable HTTP. Exposes the protocol catalog, flow definitions, and JWT decoding as tools an autonomous agent can call without a browser.
Specs & references
Authoritative reading list for Model Context Protocol — core specs, security considerations, and companion standards.
Core specs
· The specifications that define this protocol.Security & privacy
· Dedicated security and privacy considerations.Companion specs
· Extensions, hardenings, and supporting RFCs.Model Context Protocol Features
Streamable HTTP Transport
MCP revision 2026-07-28 over HTTP without sessions
Server Cards (SEP-2127)
Discoverable MCP server identity and transport metadata
JSON-RPC Tool Calls
Call tools with mirrored Mcp-Method and Mcp-Name headers