feat(mcp): add resource wrappers and streamable session ids#1111
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feat(mcp): add resource wrappers and streamable session ids#1111
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🦋 Changeset detectedLatest commit: 79b8114 The changes in this PR will be included in the next version bump. This PR includes changesets to release 5 packages
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This pull request adds MCP resource wrappers to the JS SDK and exposes streamable HTTP session IDs for resumable MCP sessions.
The main change is a non-breaking expansion of the MCP wrapper surface in
@openai/agents-core. Instead of widening the existingMCPServercontract, it introduces a separateMCPServerWithResourcesinterface plus resource result/types so existing custom MCP server implementations do not need to adopt new required methods. The concrete stdio, SSE, and streamable HTTP wrappers now delegatelistResources,listResourceTemplates, andreadResourceto the underlying MCP SDK client, and the browser shim mirrors the same surface for type consistency.This also exposes
sessionIdonMCPServerStreamableHttp, which makes server-issued MCP session identifiers available to callers that want to resume stateful sessions across workers or process restarts. The change keeps the existing session setup and cleanup behavior intact while making the active session identifier readable through the public wrapper.see also: