MalwareBazaar MCP

MalwareBazaar_MCP

An AI-driven MCP server that autonomously interfaces with Malware Bazaar, delivering real-time threat intel and sample metadata for authorized cybersecurity research workflows.

MCP Tools

get_recent: Get up to 10 most recent samples from MalwareBazaar.

get_info: Get detailed metadata about a specific malware sample.

get_file: Download a malware sample from MalwareBazaar.

get_taginfo: Get malware samples associated with a specific tag.

Step 1: Create a MalwareBazaar APIKEY

https://auth.abuse.ch/user/me

Step 2: Create .env

MALWAREBAZAAR_API_KEY=

Step 3a: Create Virtual Env & Install Requirements - MAC/Linux

curl -LsSf https://astral.sh/uv/install.sh | sh
cd MalwareBazaar_MCP
uv init .
uv venv
source .venv/bin/activate
uv pip install -r requirements.txt

Step 3b: Create Virtual Env & Install Requirements - Windows

powershell -ExecutionPolicy ByPass -c "irm https://astral.sh/uv/install.ps1 | iex"
cd MalwareBazaar_MCP
uv init .
uv venv
.venv\Scripts\activate
uv pip install -r requirements.txt

Step 4a: Add Config to the MCP Client - MAC/Linux

{
    "mcpServers": {
        "malwarebazaar": {
            "description": "Malware Bazaar MCP Server",
            "command": "/Users/XXX/.local/bin/uv",
            "args": [
                "--directory",
                "/Users/XXX/Documents/MalwareBazaar_MCP",
                "run",
                "malwarebazaar_mcp.py"
            ]
        }
    }
}

Step 4b: Add Config to the MCP Client - Windows

{
    "mcpServers": {
        "malwarebazaar": {
            "description": "Malware Bazaar MCP Server",
            "command": "uv",
            "args": [
                "--directory",
                "C:\Users\XXX\Document\MalwareBazaar_MCP",
                "run",
                "malwarebazaar_mcp.py"
            ]
        }
    }
}

Step 5: Run MCP Server

uv run malwarebazaar_mcp.py

Step 6: Run MCP Client & Query

Help me understnad the latest hash from Malware Bazaar.

Step 7: Run Tests

python -m unittest discover -s tests

uv pip install coverage==7.8.0
coverage run --branch -m unittest discover -s tests
coverage report -m
coverage html
open htmlcov/index.html  # MAC
xdg-open htmlcov/index.html  # Linux
start htmlcov\index.html  # Windows
coverage erase

License

Apache License, Version 2.0

Source & license

This open-source MCP server is cataloged on AgentStack and links to its original source — we do not rehost the code.

• Author: mytechnotalent
• Source: mytechnotalent/MalwareBazaar_MCP
• License: Apache-2.0

Install and usage instructions live in the source repository linked above.