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Filename Latest commit message Latest commit date
Robert Findley 623780125c
 mcp: support SSE polling and server disconnects (SEP-1699) (#663) 
This CL implements support for SEP-1699, adding the following new API:

- Event.Retry corresponds to the 'retry' field of a server sent event.
This is used to signal client retry behavior.
- RequestExtra.CloseStream is set by the streamable transport to allow
closing a stream.

The streamable server transport is updated to set CloseStream for calls,
allowing server operations or middleware to close the underlying stream.
If the configured 'reconnectAfter' delay is set, a 'retry' message is
sent prior to terminating the stream.

The streamable client transport is updated to read the configured delay.

Fixes #630
2025-12-01 16:21:37 -05:00
..
client.md docs: document support for resumability and redelivery (#606) 2025-10-27 14:00:58 -04:00
protocol.md docs: document support for resumability and redelivery (#606) 2025-10-27 14:00:58 -04:00
README.md docs: document known rough edges (#609) 2025-10-29 10:57:45 -04:00
rough_edges.md mcp: support SSE polling and server disconnects (SEP-1699) (#663) 2025-12-01 16:21:37 -05:00
server.md mcp: update to jsonschema that does not validate structs (#511) 2025-09-22 15:28:04 -04:00
troubleshooting.md docs: document support for resumability and redelivery (#606) 2025-10-27 14:00:58 -04:00

README.md

Features

These docs mirror the official MCP spec. Use the index below to learn how the SDK implements a particular aspect of the protocol.

Base Protocol

  1. Lifecycle (Clients, Servers, and Sessions).
  2. Transports
    1. Stdio transport
    2. Streamable transport
    3. Custom transports
  3. Authorization
  4. Security
  5. Utilities
    1. Cancellation
    2. Ping
    3. Progress

Client Features

  1. Roots
  2. Sampling
  3. Elicitation

Server Features

  1. Prompts
  2. Resources
  3. Tools
  4. Utilities
    1. Completion
    2. Logging
    3. Pagination

TroubleShooting

See troubleshooting.md for a troubleshooting guide.

Rough edges

See rough_edges.md for a list of rough edges or API oversights that can't be addressed due to our compatibility promise. We'll revisit these if/when we move to a v2 of the SDK.