Nix Packages MCP server

by mrfentmen·io.github.mrfentmen/nix-packages-mcp·v1.0.0

Nix package search from nixpkgs. No key required.

C65/100grade C

What users say

No reviews yet

Safety scan

C65/100

Adoption

Not measured yet

Usage numbers are collected on the next scan

Reviews

Nobody has reviewed Nix Packages yet.

If you have run it, two minutes of your experience saves the next person an afternoon.

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

scanner v0.1.9 · 2026-09-22 · same rubric, same numbers if you re-run it

no findings

Code scan5 source files scanned25/25
–Live reliabilityno gateway calls yet and no remote to proben/a
–Tool poisoningtools not inspected (local package is not executed); not countedn/a
Auth qualitylocal package, no credentials required12/15
Maintenancerepository not readable: repo not found3/15
Maintainer identityno repository or website to verify2/10

Overall 65/100. Components that don't apply are left out of the denominator. Any critical finding is an F.Rubric Appeal a finding JSON

Runs npx -y nix-packages-mcp on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add nix-packages-mcp -- npx -y nix-packages-mcp

Is Nix Packages MCP server safe?: With care: it is graded C, so read the findings first (65/100). Read the Nix Packages safety report
How do I install Nix Packages?: It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.
Does Nix Packages need an API key?: Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Nix Packages maintained?: The latest release is v1.0.0.
What can I use instead of Nix Packages?: Servers from other publishers that do the same job: Kody MCP server, Free Search MCP server and Cert Atlas MCP server. Compare all Nix Packages alternatives.

Same job from other publishers: the closest match first, then the best rated.

Kody
Personal assistant MCP server with search, execute, packages, jobs, secrets, and integrations.
not reviewed
Established
A
Free Search
No-API-key web search, page fetching and document reading across many engines. Local-first.
not reviewed
Growing
B
Cert Atlas
Search 1,673 source-linked exam blueprints with reviewed guidance. Read-only; no API key.
not reviewed
Growing
A