MCP.Market

Nexus MCP server

by addozhang·io.github.addozhang/nexus·v0.1.1·2 stars

Query Sonatype Nexus Repository (OSS/Pro) for Maven, Python, and Docker artifacts

C66/100grade C
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Safety scan
C66/100

full report

Adoption
New

2 stars22 downloads/wk

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

Nexus tools (6)

write = sends, deletes, buys or posts

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

  • get_docker_tags

    Get all tags for a specific Docker image.

  • get_maven_versions

    Get versions of a specific Maven artifact with pagination.

  • get_python_versions

    Get versions of a specific Python package with pagination.

  • list_docker_images

    List Docker images in a Nexus repository.

  • search_maven_artifact

    Search for Maven artifacts in Nexus Repository Manager.

  • search_python_package

    Search for Python packages in Nexus Repository Manager.

Public scan report

scanner v0.1.10 · 2026-09-28 · same rubric, same numbers if you re-run it

no findings
  • Code scan16 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 qualitystatic API keys via environment variables6/15
  • Maintenancelast push 233 days ago4/15
  • Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Overall 66/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Nexus compares

Against every graded Developer tools MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
66/100
higher than 23% of 1,119 Developer tools servers
Tools
6
the typical Developer tools server has 7
Tools that change things
0%
typical: 5%. Fewer write tools means less an agent can break
GitHub stars
2
more than 65% of 855 Developer tools servers
Downloads a week
22
more than 6% of 436 Developer tools servers with a package

What its tools let an agent do: 6 read

Install Nexus in Claude Code, Cursor or VS Code

claude mcp add nexus -- uvx nexus-mcp-server
Add to Cursor

What the publisher says

From the Nexus repository's README, as published. We do not edit it. Read it on GitHub

Nexus MCP Server

<!-- mcp-name: io.github.addozhang/nexus -->

English | 简体中文

MCP (Model Context Protocol) server for Sonatype Nexus Repository Manager 3 (OSS and Pro), enabling AI assistants to query Maven, Python (PyPI), and Docker repositories.

Features

  • Multiple transport modes - SSE (default) or streamable-http transport
  • HTTP streaming transport - Modern SSE-based transport with header authentication
  • Per-request authentication - Credentials passed via HTTP headers (no hardcoded secrets)
  • Maven support - Search artifacts, list versions, get metadata
  • Python support - Search packages, list versions, get metadata
  • Docker support - List images, get tags, image metadata
  • FastMCP framework - Fast, modern Python implementation

Compatibility

Supported Nexus versions:

  • ✅ Nexus Repository Manager 3.x OSS (Open Source)
  • ✅ Nexus Repository Manager 3.x Pro

This server uses the standard Nexus REST API v1 (/service/rest/v1), which is available in both OSS and Pro editions.

Available Tools

This MCP server provides 6 read-only tools for querying Nexus repositories:

📦 Maven Tools

🐍 Python/PyPI Tools

🐳 Docker Tools

Note: All tools are read-only and safe to use. No write operations (create/update/delete) are supported.

Installation

From Source

# Clone the repository
git clone https://github.com/your-org/nexus-mcp-server.git
cd nexus-mcp-server

# Create virtual environment
python -m venv venv
source venv/bin/activate  # or venv/bin/activate.fish

# Install in development mode
pip install -e ".[dev]"

# Run the server (defaults to http://0.0.0.0:8000)
python -m nexus_mcp

Using Docker

# Quick start
docker run -p 8000:8000 addozhang/nexus-mcp-server:latest

# Or use docker-compose
docker-compose up

# See DOCKER.md for detailed deployment guide

For detailed deployment guide, see DOCKER.md.

Configuration

Server Configuration

The server can be configured using command line arguments or environment variables:

Priority: CLI arguments > Environment variables > Default values

Transport Modes:

  • sse (default) - Server-Sent Events transport, compatible with most MCP clients
  • streamable-http - Streamable HTTP transport for clients that prefer this protocol

Running the Server

Local Development

# SSE mode (default)
python -m nexus_mcp

# Streamable-HTTP mode
python -m nexus_mcp --transport streamable-http

# Custom port
python -m nexus_mcp --port 9000

# Custom host and port
python -m nexus_mcp --host 127.0.0.1 --port 9000

Using Docker

# SSE mode (default)
docker run -p 8000:8000 addozhang/nexus-mcp-server:latest

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Nexus: common questions

Is Nexus MCP server safe?
With care: it is graded C, so read the findings first (66/100). Read the Nexus safety report
How do I install Nexus?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Nexus need an API key?
Yes. The registry entry asks for NEXUS_PASSWORD.
Is Nexus maintained?
The last commit was 270 days ago (2026-02-07). The latest release is v0.1.1.
What can I use instead of Nexus?
Servers from other publishers that do the same job: Homebutler MCP server, maintenant MCP server and Komodo MCP Server.
How does Nexus compare with other Developer tools MCP servers?
safety score 66/100 (higher than 23% of 1,119 Developer tools servers); tools 6 (the typical Developer tools server has 7); tools that change things 0% (typical: 5%. Fewer write tools means less an agent can break). Full comparison.

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