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| og:image:alt | Introduce -32000/-32001/-32002 to match the implementation in FastMCP.
This change paves the way towards "interceptors" or "middleware" standardization.
Motivation and Context
... |
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| og:author:username | MatthewKhouzam |
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Compare
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| SEP-2678: introduce additional error codes to protocol | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2678/commits/dd6cb6c8505ac6b5eeb83ca5cc633f29de77694a |
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Compare
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proposal
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View reviewed changes
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| Jun 23, 2026 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2678#discussion_r3461857785 |
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| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2678 |
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| Jun 23, 2026 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2678#discussion_r3461871694 |
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| Jun 23, 2026 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2678#discussion_r3461792350 |
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May 29, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2678#ref-pullrequest-4527314399 |
|
SEP-2792: Internationalization via Per-Request Language Negotiation
#2792
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2792 |
| https://github.com/MatthewKhouzam |
| MatthewKhouzam | https://github.com/MatthewKhouzam |
|
Jun 10, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2678#ref-pullrequest-4570934693 |
|
Add formal MCP error taxonomy SEP
#2841
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2841 |
| https://github.com/MatthewKhouzam |
| MatthewKhouzam | https://github.com/MatthewKhouzam |
| Jun 23, 2026 | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2678#issuecomment-4781948185 |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2678 |
| https://github.com/apps/github-actions |
| github-actions | https://github.com/apps/github-actions |
|
Jun 29, 2026
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2678#ref-issue-4767370155 |
|
[MCP: SEP Tracker] Week of 2026-06-29
jeffhandley/dotnet-vitals-servicing-release-manager#27
| https://github.com/jeffhandley/dotnet-vitals-servicing-release-manager/issues/27 |
| https://github.co/hiddenchars |
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/{{ revealButtonHref }} |
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|
| https://github.com/pja-ant |
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pja-ant
| https://github.com/pja-ant |
|
| https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2678/files/dd6cb6c8505ac6b5eeb83ca5cc633f29de77694a |
|
proposal
| https://github.com/modelcontextprotocol/modelcontextprotocol/issues?q=state%3Aopen%20label%3Aproposal |
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SEP
| https://github.com/modelcontextprotocol/modelcontextprotocol/issues?q=state%3Aopen%20label%3ASEP |
|
SEP Review Pipeline
| https://github.com/orgs/modelcontextprotocol/projects/12 |
| Please reload this page | https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2678 |
|
| https://github.com/MatthewKhouzam |
|
| https://github.com/scourtney-godaddy |
|
| https://github.com/pja-ant |
|
| https://github.com/localden |
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