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@Matovidlo Matovidlo commented Jan 27, 2026

Jira issue(s): AI-2342

Changes:

  • Add prominent deprecation warning box at the top of the MCP integration page alerting users that SSE transport will be deprecated on 01.04.2026
  • Update MCP Server Capabilities table to mark SSE as deprecated and recommend Streamable HTTP
  • Update Tool Authorization section to clarify SSE is deprecated in favor of Streamable HTTP
  • Update Cursor deeplinks to use /mcp endpoints instead of /sse endpoints (also updated URL format to match connection-docs)

This is part of a coordinated documentation update across three repositories (connection-docs, developers-docs, mcp-server) to communicate the SSE transport deprecation consistently.

Updates since last revision:

  • Changed deprecation timeline from "3 months" to specific date "01.04.2026" per reviewer feedback

Human Review Checklist:

  • Verify the Cursor deeplink format (cursor://anysphere.cursor-deeplink/...) is correct
  • Verify the base64-encoded configs in deeplinks correctly decode to /mcp endpoints
  • Confirm the 01.04.2026 deprecation date is acceptable
  • Review the warning box wording for customer-facing appropriateness

Link to Devin run: https://app.devin.ai/sessions/3ddcad4977384d26b3e88e94e3e3778b
Requested by: Martin Vasko (@Matovidlo)

Release Notes

Justification, description

Adding deprecation notice for SSE transport in MCP integration documentation to inform developers about the upcoming migration to Streamable HTTP transport.

Plans for Customer Communication

This documentation update serves as the developer communication - users will see the deprecation warning when viewing MCP integration documentation.

Impact Analysis

Documentation-only change. No functional impact.

Deployment Plan

N/A

Rollback Plan

N/A

Post-Release Support Plan

N/A

- Add prominent deprecation warning box at the top of the page
- Update MCP Server Capabilities table to mark SSE as deprecated
- Update Tool Authorization section to clarify SSE is deprecated
- Update Cursor deeplinks to use /mcp endpoints instead of /sse

Related to: AI-2342

Co-Authored-By: Martin Vasko <Matovidlo2@gmail.com>
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Address PR feedback to use specific date instead of '3 months'

Related to: AI-2342

Co-Authored-By: Martin Vasko <Matovidlo2@gmail.com>
integrate/mcp.md Outdated

<div class="alert alert-warning" role="alert">
<i class="fas fa-exclamation-triangle"></i>
<strong>SSE Transport Deprecation:</strong> The SSE transport for MCP Server will be deprecated in 3 months. Please migrate to Streamable HTTP transport using <code>/mcp</code> endpoints instead of <code>/sse</code>. Streamable HTTP provides bidirectional streaming for improved performance and reliability.
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Not 3 months but let's state 01.04.2026 the 1st of april

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Updated to use the specific date 01.04.2026 instead of "3 months".

integrate/mcp.md Outdated
| Concept | Supported | Notes |
|-------------|-----------|--------------------------------------------------------------------------------------------------------|
| Transports | ✅ | Supports `stdio` and `Streamable HTTP` for client communication. |
| Transports | ✅ | Supports `stdio` and `Streamable HTTP` (recommended) for client communication. SSE is deprecated and will be removed in 3 months. |
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Not 3 months but let's state 01.04.2026 the 1st of april

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Updated to use the specific date 01.04.2026 instead of "3 months".

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