docs: document the ping utility with examples - #1106
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Add a Ping section to the README covering both directions of the utility: constructing and sending a PingRequest via send_request, and the automatic default handler response (with an override example for custom liveness logic). Links to the MCP ping spec. Ping was the only non-experimental feature lacking user-facing documentation and an example.
DaleSeo
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Jul 31, 2026
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howardjohn
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Jul 31, 2026
Bump to latest stable release https://github.com/modelcontextprotocol/rust-sdk/releases/tag/rmcp-v3.1.0 ``` Added classify authorization-required errors (modelcontextprotocol/rust-sdk#1056) add strict stateless protocol metadata validation (modelcontextprotocol/rust-sdk#1091) SEP-2260 stream-based enforcement of client receive-side request association (modelcontextprotocol/rust-sdk#1055) Fixed (model) decode metadata-bearing input-required results affecting mrtr (modelcontextprotocol/rust-sdk#1097) require metadata for modern HTTP requests (modelcontextprotocol/rust-sdk#1089) honor supported_protocol_versions when negotiating initialize (modelcontextprotocol/rust-sdk#1093) Other document the ping utility with examples (modelcontextprotocol/rust-sdk#1106) complete Tier 1 feature docs and finalize roadmap (modelcontextprotocol/rust-sdk#1101) (conformance) meeting requirements for tier 1 (modelcontextprotocol/rust-sdk#1087) ``` Signed-off-by: Filinto Duran <1373693+filintod@users.noreply.github.com>
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What
Adds a Ping section to the README, covering both directions of the ping utility:
PingRequestand sending it viasend_request(client→server and server→client), with a note that a returnedOkconfirms the peer is reachable.rmcpanswers incoming pings automatically via the defaultpinghandler, with an example of overriding it for custom liveness logic.Why
Ping was the only non-experimental feature lacking user-facing documentation and an example. Every other feature in the SDK's supported surface is already documented with examples; this closes the remaining gap.
Notes
Documentation-only change (README). The code examples use the existing public API (
PingRequest,ClientRequest/ServerRequest,send_request, and theServerHandler/ClientHandlerpingmethod).