Ground Lens MCP Server

What it is · Quick start · Architecture · How it works · Engine · Runtime · Records · MCP server · Determinism · Examples · Docs · FAQ · Roadmap. It runs locally over stdio via the published package.

People who work with rag, ai governance and attestation and want it reachable from Claude, Cursor, VS Code, or another MCP client. The project is written in Rust.

VERIFIED ACTIVE

LAST COMMIT 2026-09-28 · ★ 7 · #25 OF 117 MAINTAINED AI & ML · VERIFIED 2026-09-30

Apache-2.0 · Rust servers · how we verify → /methodology

01 · Install Ground Lens

Claude Code

claude mcp add groundlens-dev-groundlens -- uvx groundlens

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "groundlens-dev-groundlens": {
      "command": "uvx",
      "args": [
        "groundlens"
      ]
    }
  }
}

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 Apache-2.0 - declared in the repository

pypi package groundlens - check the name against the project README before installing (PyPI has no namespace ownership)

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

03 · What Ground Lens can do

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

Latest releases

v5.3.0 · 2026-09-22

add the semantic sentence-similarity verifier · trim the redundant Windows matrix jobs · sign release binaries and attach provenance as assets · pin cosign to v2.6.5 so signing produces .sig/.pem · activate NLI - base…

bundle-base-v2 · 2026-09-22

sha256: aa7fee3a801fd7492d8cc1d2124fff4881a11ba4f0d811066df8dec1e4d28c6e · intfloat/multilingual-e5-small @ 614241f622f53c4eeff9890bdc4f31cfecc418b3 (ONNX f32 export by the authors), for the lexical and semantic…

v5.2.0 · 2026-09-21

prepare official MCP registry listing · 5.2.0

04 · Who maintains Ground Lens

GroundLens is maintained by groundlens-dev. It's the only MCP server we track from this author; the repo dates to May 2026.

05 · Facts

repository: github.com/groundlens-dev/groundlens
category: AI & ML - ranked #25 of 117 actively-maintained AI & ML servers as of 2026-09-30.
release cadence: 10+ releases in the last 90 days (latest 2026-09-22)
registry: io.github.groundlens-dev/groundlens (active, first published 2026-09-21)
packages: pypi:groundlens

06 · Ground Lens FAQ

What is Ground Lens?

Is Ground Lens still maintained?

Yes - as of 2026-09-30, its last commit was 2026-09-28 and it shipped 10+ releases in the last 90 days. We re-verify nightly.

How do I install Ground Lens?

Run `uvx groundlens`. You can also paste the ready-made client config above.

Does Ground Lens run locally?

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

07 · Alternatives to Ground Lens

Alternatives to Ground Lens

Maintained AI & ML servers if Ground Lens isn't the fit.

Pairs well with

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

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