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The Model Context Protocol ecosystem, verified

Current spec 2026-07-28

Roslyn CodeLens

Spec Support Unverified Publisher unverified Confidence: Good (0.85)

Roslyn CodeLens is an MCP server published by MarcelRoozekrans; its MCP spec-revision support has not been verified yet. Last verified 2026-08-07.

Does Roslyn CodeLens support the current MCP specification (2026-07-28)?

Undetermined. We have not verified which MCP specification revision Roslyn CodeLens supports (as of 2026-08-07).

Is Roslyn CodeLens a first-party (official) MCP server?

Undetermined. We have not verified the publisher relationship for Roslyn CodeLens (as of 2026-08-07).

How do I connect to Roslyn CodeLens?

Roslyn CodeLens is available via the package npm:roslyn-codelens-mcp, the official MCP Registry under io.github.MarcelRoozekrans/roslyn-codelens, the source repository at https://github.com/marcelroozekrans/roslyn-codelens-mcp. Authentication: unknown. Transports: stdio.

When were Roslyn CodeLens's facts last verified?

2026-08-07. Each fact on this page links to the sources used to verify it.

Roslyn MCP server: semantic .NET/C# intelligence - analysis, refactoring, tests, IL inspection.

How widely adopted is Roslyn CodeLens?

Not ranked in The MCP 500: insufficient public data (coverage floor not met) (snapshot ). The Adoption Index measures public signals only; it says nothing about quality.

Repository and package signals for Roslyn CodeLens

Measured directly from the source registries, not asserted from a document. Each figure carries the date it was read; none of it affects the verified spec status above.

Repository as of

Stars
48
Forks
13
Last pushed
(41 days ago)
Created
Open issues
1
Primary language
C#
License (repository)
MIT
Continuous integration
Present
Tests
Present
Security policy
Present

Declared topics: ai-agents, claude-code, code-analysis, code-intelligence, csharp, dotnet, dotnet-tool, mcp, mcp-server, roslyn, static-analysis — author-declared on the repository, not our taxonomy.

Package (npm) as of

Latest version
2.18.0
Last published
First published
Releases
7
License (package)
MIT
Maintainers
1
Direct dependencies
0
Unpacked size
6 KB
Registry signature
Signed
Build provenance
Attested

How was this verified, and what are the sources?

Verified · method: registry-record · confidence 0.85 (Good).

  1. Official MCP Registry record for io.github.MarcelRoozekrans/roslyn-codelens at version 2.16.1 - lists package npm:roslyn-codelens-mcp and repository https://github.com/marcelroozekrans/roslyn-codelens-mcp - accessed