Memorylens MCP

On-demand .NET memory profiling with concrete, AI-actionable code fix suggestions - no profiler to install. It runs locally over stdio via the published package.

People connecting memory tools to Claude, Cursor, VS Code, or another MCP client. The project is written in C#.

VERIFIED ACTIVE

LAST COMMIT 2026-08-24 · ★ 10 · #69 OF 259 MAINTAINED MEMORY · VERIFIED 2026-08-25

MIT · C# · how we verify → /methodology

01 · Install Memorylens MCP

Claude Code

claude mcp add marcelroozekrans-memorylens-mcp -- npx -y memorylens-mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "marcelroozekrans-memorylens-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "memorylens-mcp"
      ]
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions

license MIT - declared in the repository

npm package memorylens-mcp - unscoped; check the name against the project README before installing

registry namespace io.github.MarcelRoozekrans is GitHub-verified and matches the repo owner

03 · What Memorylens MCP can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

Latest releases

v2.1.2 · 2026-08-24

2.1.2 (2026-08-24) · shorten server.json description to the registry's 100-char cap

v2.1.1 · 2026-08-23

2.1.1 (2026-08-23) · stop claiming dotMemory, shrink the image, and make generations real (part 2) · publish to NuGet only from a release, and make main's prerelease label work · stamp the real version into the packed…

v2.0.0 · 2026-08-22

2.0.0 (2026-08-22) · the ensure_dotmemory MCP tool is removed. Six tools become five. Clients referencing it by name will get an unknown-tool error. · collect heap data in-process, making analyze actually work (part 1)…

04 · Who maintains Memorylens MCP

memorylens-mcp is maintained by marcelroozekrans. We track 2 MCP servers from marcelroozekrans - 2 actively maintained, 58 combined GitHub stars, oldest repo from Mar 2026. Full record: all servers from marcelroozekrans.

  1. Roslyn CodeLens Roslyn MCP server: semantic .NET/C# intelligence - analysis, refactoring, tests, IL inspection. ★ 48

05 · Facts

category
memory - ranked #69 of 259 actively-maintained memory servers as of 2026-08-25.
release cadence
7 releases in the last 90 days (latest 2026-08-24)
registry
io.github.MarcelRoozekrans/memorylens-mcp (active, first published 2026-03-31 · 7 versions)
packages
npm:memorylens-mcp · nuget:MemoryLens.Mcp

06 · Memorylens MCP FAQ

What is Memorylens MCP?

On-demand .NET memory profiling with concrete, AI-actionable code fix suggestions - no profiler to install. It runs locally over stdio via the published package.

Is Memorylens MCP still maintained?

Yes - as of 2026-08-25, its last commit was 2026-08-24 and it shipped 7 releases in the last 90 days. We re-verify nightly.

How do I install Memorylens MCP?

Run `npx -y memorylens-mcp`. You can also paste the ready-made client config above.

Does Memorylens MCP run locally?

Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

07 · Alternatives to Memorylens MCP

Pairs well with

Servers that cover what Memorylens MCP doesn't - only shown when the pairing reason fits the companion.

  1. Server Filesystem → filesystem companion filesystem · ★ 38,704
  2. X402 List MCP → filesystem companion filesystem · ★ 58

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