What can you do with this server?

The MCP NVD Server retrieves CVE information from the National Vulnerability Database (NVD). * Fetch CVE Data: Retrieve detailed information for a specific CVE ID * Multi-language Support: Access descriptions in multiple languages (e.g., English, Spanish) * Reference Retrieval: Obtain reference URLs and recommendations for affected software * API Integration: Supports NVD API integration with API key handling for rate limiting * Testing and Debugging: Uses pytest for automated testing and MCP Inspector for debugging * Dependency Management: Utilizes uv for dependency synchronization

Which integrations are available for this server?

Provides access to CVE information from the National Vulnerability Database (NVD), enabling the retrieval of security vulnerability data using CVE IDs.

How do I use MCP NVD Server?

1. Click on "Install Server". 2. Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state. 3. In the chat, type @ followed by the MCP server name and your instructions, e.g., "@MCP NVD Server get details for CVE-2024-6387" That's it! The server will respond to your query, and you can continue using it as needed. Here is a step-by-step guide with screenshots.

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MCP NVD Server

by gkhays

Overview Schema Related Servers Score Discussions

Python

Remote

MCP NVD Server

Python MCP

MCP server that retrieves CVE information from the national vulnerability database (NVD).

Installation

Prerequisites

Install the following.

Related MCP server: MCP Vulnerability Checker Server

Building

NOTE

This project employsuv.

Synchronize dependencies and update the lockfile.

uv sync

Debugging

MCP Inspector

Use MCP Inspector.

Launch the MCP Inspector as follows:

npx @modelcontextprotocol/inspector uv --directory /path/to/mcp-nvd run mcp-nvd

MCP Inspector

Testing

This project employs pytest for testing.

============================================================= test session starts =============================================================
platform win32 -- Python 3.12.9, pytest-8.3.5, pluggy-1.5.0
rootdir: D:\Users\ghays\src\mcp-nvd-server
configfile: pyproject.toml
plugins: anyio-4.9.0
collected 4 items

src/mcp_nvd/test_nvd.py::test_fetch_cve
---------------------------------------------------------------- live log call ---------------------------------------------------------------- 
2025-05-16 15:50:32 [    INFO] Fetching CVE: CVE-2025-30065... (nvd.py:42)
2025-05-16 15:50:33 [    INFO] Response: 200 (nvd.py:48)
2025-05-16 15:50:33 [    INFO] Description: Schema parsing in the parquet-avro module of Apache Parquet 1.15.0 and previous versions allows bad 
actors to execute arbitrary code


Users are recommended to upgrade to version 1.15.1, which fixes the issue. (nvd.py:55)
2025-05-16 15:50:33 [    INFO] Using constructor method to fetch CVE data for CVE-2025-30065 (test_nvd.py:14)
2025-05-16 15:50:33 [    INFO] Description (en) value: Schema parsing in the parquet-avro module of Apache Parquet 1.15.0 and previous versions 
allows bad actors to execute arbitrary code


Users are recommended to upgrade to version 1.15.1, which fixes the issue. (test_nvd.py:31)
2025-05-16 15:50:33 [    INFO] Description (es) value: El análisis del esquema en el módulo parquet-avro de Apache Parquet 1.15.0 y versiones anteriores permite que actores maliciosos ejecuten código arbitrario. Se recomienda a los usuarios actualizar a la versión 1.15.1, que soluciona el problema. (test_nvd.py:31)
2025-05-16 15:50:33 [    INFO] Reference check: https://lists.apache.org/thread/okzqb3kn479gqzxm21gg5vqr35om9gw5 (test_nvd.py:36)
PASSED                                                                                                                                   [ 25%] 
src/mcp_nvd/test_nvd.py::test_fetch_cve_no_constructor
---------------------------------------------------------------- live log call ---------------------------------------------------------------- 
2025-05-16 15:50:33 [    INFO] Fetching CVE: CVE-2025-30065... (nvd.py:42)
2025-05-16 15:50:34 [    INFO] Response: 200 (nvd.py:48)
2025-05-16 15:50:34 [    INFO] Description: Schema parsing in the parquet-avro module of Apache Parquet 1.15.0 and previous versions allows bad 
actors to execute arbitrary code


Users are recommended to upgrade to version 1.15.1, which fixes the issue. (nvd.py:55)
2025-05-16 15:50:34 [    INFO] Using non-constructor method to fetch CVE data for CVE-2025-30065 (test_nvd.py:43)
PASSED                                                                                                                                   [ 50%] 
src/mcp_nvd/test_nvd.py::test_fetch_description
---------------------------------------------------------------- live log call ---------------------------------------------------------------- 
2025-05-16 15:50:34 [    INFO] Fetching CVE: CVE-2025-30065... (nvd.py:42)
2025-05-16 15:50:34 [    INFO] Response: 200 (nvd.py:48)
2025-05-16 15:50:34 [    INFO] Description: Schema parsing in the parquet-avro module of Apache Parquet 1.15.0 and previous versions allows bad 
actors to execute arbitrary code


Users are recommended to upgrade to version 1.15.1, which fixes the issue. (nvd.py:55)
2025-05-16 15:50:34 [    INFO] Description for language 'en': Schema parsing in the parquet-avro module of Apache Parquet 1.15.0 and previous versions allows bad actors to execute arbitrary code


Users are recommended to upgrade to version 1.15.1, which fixes the issue. (test_nvd.py:69)
PASSED                                                                                                                                   [ 75%] 
src/mcp_nvd/test_nvd.py::test_fetch_references
---------------------------------------------------------------- live log call ---------------------------------------------------------------- 
2025-05-16 15:50:34 [    INFO] Fetching CVE: CVE-2025-30065... (nvd.py:42)
2025-05-16 15:50:34 [    INFO] Response: 200 (nvd.py:48)
2025-05-16 15:50:34 [    INFO] Description: Schema parsing in the parquet-avro module of Apache Parquet 1.15.0 and previous versions allows bad 
actors to execute arbitrary code







Users are recommended to upgrade to version 1.15.1, which fixes the issue. (nvd.py:55)
2025-05-16 15:50:34 [    INFO] Reference URL: https://lists.apache.org/thread/okzqb3kn479gqzxm21gg5vqr35om9gw5 (test_nvd.py:82)


Users are recommended to upgrade to version 1.15.1, which fixes the issue. (nvd.py:55)
2025-05-16 15:50:34 [    INFO] Reference URL: https://lists.apache.org/thread/okzqb3kn479gqzxm21gg5vqr35om9gw5 (test_nvd.py:82)


Users are recommended to upgrade to version 1.15.1, which fixes the issue. (nvd.py:55)
2025-05-16 15:50:34 [    INFO] Reference URL: https://lists.apache.org/thread/okzqb3kn479gqzxm21gg5vqr35om9gw5 (test_nvd.py:82)


Users are recommended to upgrade to version 1.15.1, which fixes the issue. (nvd.py:55)
2025-05-16 15:50:34 [    INFO] Reference URL: https://lists.apache.org/thread/okzqb3kn479gqzxm21gg5vqr35om9gw5 (test_nvd.py:82)


Users are recommended to upgrade to version 1.15.1, which fixes the issue. (nvd.py:55)




Users are recommended to upgrade to version 1.15.1, which fixes the issue. (nvd.py:55)
2025-05-16 15:50:34 [    INFO] Reference URL: https://lists.apache.org/thread/okzqb3kn479gqzxm21gg5vqr35om9gw5 (test_nvd.py:82)
2025-05-16 15:50:34 [    INFO] Reference URL: http://www.openwall.com/lists/oss-security/2025/04/01/1 (test_nvd.py:82)
2025-05-16 15:50:34 [    INFO] Reference URL: https://access.redhat.com/security/cve/CVE-2025-30065 (test_nvd.py:82)
2025-05-16 15:50:34 [    INFO] Reference URL: https://github.com/apache/parquet-java/pull/3169 (test_nvd.py:82)
2025-05-16 15:50:34 [    INFO] Reference URL: https://news.ycombinator.com/item?id=43603091 (test_nvd.py:82)
2025-05-16 15:50:34 [    INFO] Reference URL: https://www.bleepingcomputer.com/news/security/max-severity-rce-flaw-discovered-in-widely-used-apache-parquet/ (test_nvd.py:82)
2025-05-16 15:50:34 [    INFO] Reference URL: https://github.com/h3st4k3r/CVE-2025-30065/blob/main/POC-CVE-2025-30065-ParquetExploitGenerator.java (test_nvd.py:82)
2025-05-16 15:50:34 [    INFO] Reference URL: https://github.com/mouadk/parquet-rce-poc-CVE-2025-30065/blob/main/src/main/java/com/evil/GenerateMaliciousParquetSSRF.java (test_nvd.py:82)
PASSED                                                                                                                                   [100%] 

============================================================== 4 passed in 2.74s ==============================================================

NVD Rate Limiting

How to Add an API Key

Available Tools

1 tool

nvd_toolC

Fetch CVE data from NVD

ParametersJSON Schema

Name	Required	Description	Default
`cve_id`	Yes	The CVE ID to fetch data for.

TDQS

C2.9/5.0

Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations provided, the description carries the full burden of behavioral disclosure. 'Fetch CVE data from NVD' implies a read-only operation, but it doesn't specify rate limits, authentication requirements, error conditions, response format, or whether it's idempotent. For a tool with zero annotation coverage, this is insufficient.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is extremely concise at just four words, front-loading the essential information with zero wasted words. It efficiently communicates the core purpose without unnecessary elaboration.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a tool with no annotations and no output schema, the description is inadequate. It doesn't explain what 'CVE data' includes, the format of returned information, potential errors, or any behavioral characteristics. The description fails to compensate for the lack of structured metadata.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The schema description coverage is 100%, with the single parameter 'cve_id' fully documented in the schema. The description doesn't add any parameter-specific information beyond what's already in the schema, so the baseline score of 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description 'Fetch CVE data from NVD' clearly states the action (fetch) and resource (CVE data from NVD), making the tool's purpose immediately understandable. It doesn't distinguish from siblings, but there are no sibling tools on this server, so a 4 is appropriate rather than a 5.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides no guidance on when to use this tool versus alternatives, prerequisites, or limitations. It simply states what the tool does without any context about appropriate usage scenarios or constraints.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

Install Server

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TDQS

B3.1/5.0

Disambiguation5/5

With only one tool, there is no possibility of ambiguity or overlap between tools. The single tool 'nvd_tool' has a clear and distinct purpose of fetching CVE data from NVD.

Naming Consistency5/5

A single tool inherently has perfect naming consistency as there are no other tools to compare against. The name 'nvd_tool' follows a simple noun-based pattern appropriate for its function.

Tool Count2/5

One tool is generally too few for most server purposes, especially for a data source like NVD which typically supports multiple operations (e.g., search by CVE ID, filter by date, get recent vulnerabilities). This feels thin and limited in scope.

Completeness2/5

The tool surface is severely incomplete for an NVD server. While fetching CVE data is a core function, obvious gaps include searching, filtering, pagination, and accessing specific vulnerability details, which are essential for comprehensive CVE data interaction.

Maintenance

ActivityInactive

ResponsivenessSyncing

Resources

GitHub Repository

Need Help?

Reddit Discussion

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Looking for Admin?

If you are the server author, to access and configure the admin panel.

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MCP NVD Server

Installation

Prerequisites

Building

Debugging

MCP Inspector

Testing

NVD Rate Limiting

How to Add an API Key

Available Tools

TDQS

TDQS

Maintenance

Resources

Looking for Admin?

Related MCP Connectors

Related MCP Servers

mcp-nvd

MCP Vulnerability Checker

Socket MCP Server

CIRCL CVE SEARCH MCP Server

Latest Blog Posts

MCP directory API