feat: add 2026-06-24 weekly meeting notes (#46)

meetings/2026-06-24_weekly.md

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+# 2026-06-24 MCP: Transport Working Group (Weekly)
+
+## TL;DR
+The working group established an advancement strategy for the streaming
+Specification Enhancement Proposal (SEP) draft and debated introducing
+client-generated conversation correlation IDs to address routing and billing
+concerns. Shaun Smith from Hugging Face presented the streaming pull request,
+leading to discussions about task interaction and JSON RPC over Server-Sent
+Events (SSE) challenges. Ladi Bitto from Microsoft proposed an agnostic
+conversation identifier to resolve costly routing workarounds in Copilot Studio,
+which Kurtis Van Gent agreed to synthesize into a formal problem statement for
+core maintainers. Due to upcoming conferences and holidays, the next weekly
+meeting was canceled.
+
+## Detailed Summary
+
+### Streaming Brief and Task Interaction
+- Shaun Smith (Hugging Face) presented a Specification Enhancement Proposal
+  (SEP) pull request to address tool-calling streaming capabilities,
+  particularly for multimodal scenarios, to allow higher-resolution execution
+  steering and progress tracking.
+- Mark Roth raised concerns about how streaming would interact with existing
+  tasks (e.g., handling cancellation cases) and suggested that streaming
+  capabilities might be built directly into tasks rather than introducing a
+  distinct mechanism.
+- Shaun Smith noted that the protocol must clearly instruct users on when to use
+  streaming versus tasks, or whether tasks themselves should be extended.
+
+### JSON RPC and Server-Sent Events (SSE) Challenges
+- Kurtis Van Gent raised a technical concern regarding how auto-streaming would
+  work with JSON RPC, as JSON RPC typically requires a complete message before
+  processing.
+- Luca Chang noted that while the current events primitive streams standalone
+  JSON RPC messages over an SSE stream, it does not manage event association or
+  ordering.
+- Mark Roth pointed out that a unidirectional SSE stream presents challenges for
+  cancellation and bidirectional steering (e.g., redirecting sub-agents running
+  in tool-calling loops).
+- The group agreed that concrete use cases, user journeys, and tool designs must
+  be documented early to ensure core maintainer alignment. Shaun Smith plans to
+  have a mergeable brief ready in two weeks.
+
+### Client-Generated Conversation Correlation IDs
+- Ladi Bitto (Microsoft) proposed introducing a client-generated conversation
+  correlation or thread ID to resolve routing issues and support session
+  management without re-introducing full protocol-level session handling.
+- Kurtis Van Gent explained that changing the protocol for the current release
+  version is impossible because that ship has sailed, but it could target a
+  future version. He noted that core maintainers previously voted to remove
+  sessions, so a very strong case is required.
+- Ladi Bitto and Shaun Smith discussed why Peter's proposed "state handles" are
+  insufficient, noting they are non-deterministic and introduce significant
+  financial costs due to extra tool calls, especially impacting platforms like
+  Microsoft Copilot Studio.
+- Mike Kistler suggested quantifying the exact frequency and financial costs of
+  these state handle workarounds to present a stronger case to core maintainers.
+- Kurtis Van Gent committed to writing a structured problem statement
+  summarizing the user journeys and technical limitations of state handles, to
+  be reviewed by the working group before presenting to core maintainers.
+- Gabriel Zimmerman offered to brainstorm arguments internally, and agreed to
+  share Catie McCaffrey's contact information with Ladi Bitto to ensure
+  Microsoft's routing and cost concerns are represented in core maintainer
+  discussions.
+
+### SDK Release Readiness
+- Mark Roth requested an update on SDK preparation for the upcoming July
+  specification release.
+- Kurtis Van Gent shared a support matrix showing that the Go and C# SDKs are
+  closest to completion, which Mike Kistler celebrated.
+- Kurtis Van Gent added that Python SDK development is actively progressing
+  inside a 2.0 feature branch and is further along than the dashboard shows.
+
+## Next Steps & Timeline
+The next weekly meeting has been canceled due to the AI Engineer World's Fair,
+holidays, and external time off. The group will resume in two weeks. In the
+interim, Shaun Smith will incorporate feedback into the streaming brief and
+refine the tool designs. Kurtis Van Gent will develop database and pagination
+examples for the streaming brief and draft a problem statement document
+summarizing the correlation ID use cases. Ladi Bitto will work on summarizing
+Microsoft's correlation ID use cases and cost factors, while Gabriel Zimmerman
+will provide Catie McCaffrey's contact information.
+
+## Action Items
+- [ ] **Shaun Smith** Update the streaming brief document incorporating
+  comments, pushing back on Peter's resources suggestion, and creating tool
+  designs.
+- [ ] **Kurtis Van Gent** Develop database and pagination examples for the
+  streaming brief.
+- [ ] **Kurtis Van Gent** Cancel next week's meeting and post a cancellation
+  notice in the Discord channel.
+- [ ] **Kurtis Van Gent** Write a problem statement document summarizing the
+  correlation ID use cases and the technical limitations of state handles.
+- [ ] **Ladi Bitto** Summarize the correlation ID use cases and provide a
+  concise summary of the financial cost factors of the state handle workarounds.
+- [ ] **Gabriel Zimmerman** Share Catie McCaffrey's contact information with
+  Ladi Bitto.