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Add cancellation handling to Everything server #1124

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#5396
Closed
Add cancellation handling to Everything server#1124
#5396
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cliffhall
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enhancementNew feature or requestserver-everythingReference implementation for the Everything MCP server - src/everythingv2
Milestone
v2.3.0

Description

@cliffhall
cliffhall
opened on Mar 28, 2025

Is your feature request related to a problem? Please describe.
For testing with the Inspector, add handling of CancelledNotificationSchema messages to stop the long-running process example.

Describe the solution you'd like

  • The UI (in a related PR to the Inspector repo) would track the id of the long-running process, and expose a button that lets you cancel.
  • The everything server in this repo would handle the message and cancel the long-running process.

Describe alternatives you've considered
Not doing it.

Additional context
This idea was raised in this PR to the inspector repo.

Activity

  1. cliffhall
    added
    enhancementNew feature or request
    on Mar 28, 2025
  2. cliffhall
    self-assigned this
    on Mar 28, 2025
  3. cliffhall
    removed their assignment
    on Jun 17, 2025
  4. cliffhall
    added
    server-everythingReference implementation for the Everything MCP server - src/everything
    v2
    on Oct 19, 2026

  5. cliffhall commented on Oct 19, 2026

    @cliffhall
    cliffhall
    on Oct 19, 2026
    MemberAuthor

    Triage: Priority Low (total 4)

    • Severity 2: Demonstrating request cancellation in the long-running-operation tool is an in-scope protocol showcase that the everything server does not yet do.
    • Urgency 2: wanted eventually
    • Bonuses: none

    Board: Servers V2 (#43), Status Incoming, awaiting maintainer review (no milestone yet). Part of the backlog triage in #4875.

  6. cliffhall
    added this to the v2.3.0 milestone on Oct 25, 2026
  7. cliffhall
    added a parent issue on Oct 25, 2026
  8. cliffhall
    self-assigned this
    on Oct 28, 2026
  9. cliffhall
    linked a pull request that will close this issuefix(everything): stop a cancelled long-running operation #5396on Oct 29, 2026
  10. cliffhall
    closed this as completedon Oct 29, 2026
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enhancementNew feature or requestserver-everythingReference implementation for the Everything MCP server - src/everythingv2

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