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This release adds 2 notable features for engineering teams evaluating rollout.

Published 1mo MCP Developer Tools
✓ No known CVEs patched
Read the diff → Tool health → What is this tool? →

✓ No known CVEs patched in this version

Topics

claude-code code-analysis .net mcp roslyn

Summary

AI summary

Added find_obsolete_usage and get_overloads MCP tools.

Full changelog

1.13.0 (2026-05-01)

Features

  • add find_obsolete_usage MCP tool (e27e370)
  • add FindObsoleteUsageLogic grouped by deprecation message (5d253ae)
  • add get_overloads MCP tool (6c332c1)
  • add GetOverloadsLogic with tests (0e5a89c)
  • add models for find_obsolete_usage (91f4799)
  • add models for get_overloads (6cc229b)
  • register find_obsolete_usage MCP tool (3f19180)
  • register get_overloads MCP tool (b5abd71)

Bug Fixes

  • bypass CS0619 in fixture by using nameof() for IsError obsolete (b555c79)
  • drop [Obsolete(..., true)] fixture, can't suppress CS0619 in MSBuildWorkspace (38b4e16)
  • handle conditional-access + qualified-name patterns in nested-skip filter (6bc0c9b)
  • handle RefKind.RefReadOnlyParameter, cover all ref kinds in tests (4fd8ecc)
  • project-level NoWarn for obsolete diagnostics in TestLib fixture (f0923d7)
  • skip pragma-suppressed diagnostics in get_diagnostics (c5a1791)
  • suppress CS0619 in fixture, document test-project filter, add IsGenerated test (33c3f6b)
  • trim AdapterProjects to the 3 with PackageReferences (ace48a2)

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About MarcelRoozekrans/roslyn-codelens-mcp

Roslyn-based MCP server with 22 semantic code intelligence tools for .NET. Type hierarchies, call graphs, DI registrations, diagnostics, code fixes, complexity metrics, and more. Sub-millisecond lookups via pre-built indexes.

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Related context

Earlier breaking changes

  • v2.0.0 errors: introduces structured tool errors and cancellation pass-through

Beta — feedback welcome: [email protected]