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C4 Implement SEP-986: Tool Name Guidance · Issue #1537 · modelcontextprotocol/python-sdk · GitHub
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Implement SEP-986: Tool Name Guidance #1537

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#1655
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Implement SEP-986: Tool Name Guidance#1537
#1655
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felixweinberger
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P2Moderate issues affecting some users, edge cases, potentially valuable featureenhancementRequest for a new feature that's not currently supported
@felixweinberger

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@felixweinberger
felixweinberger
opened on Oct 30, 2025

This is a tracking issue for implementation of SEP-986.

Summary

This SEP establishes clear guidelines and format specifications for tool naming conventions within the MCP protocol. The Python SDK needs to implement validation for tool name formats, provide clear error messages when tool names don't follow the specified patterns, and ensure consistency with the standardized naming conventions to improve cross-implementation compatibility and prevent naming conflicts.

Related Issues & PRs

  • Implementation PRs: n/a
  • Related PRs: #972
  • Related Issues: #97, #74

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