Yes, Nobleblocks is free to use.

How do I install Nobleblocks?

Nobleblocks supports both local and remote installation. For local use, install it via the provided package manager and add the configuration to your AI app. For remote access, add the server URL to your MCP configuration.

Is Nobleblocks safe to use?

Nobleblocks was flagged by MCP Marketplace's security scan, scoring 3.5/10 (high risk). It has 5 high or critical findings to review. Review the security report on this page carefully before installing it.

What AI apps work with Nobleblocks?

Nobleblocks uses the Model Context Protocol (MCP) and works with any MCP-compatible AI app, including Claude, ChatGPT / Codex, Gemini, Copilot, Cursor, and more.

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Nobleblocks MCP Server

by Nobleblocks

Education & ResearchUse Caution3.5MCP RegistryLocalRemote

Free

Server data from the Official MCP Registry

Search 340M+ academic papers — citation graphs, semantic similarity, and AI literature reviews.

About

Search 340M+ academic papers — citation graphs, semantic similarity, and AI literature reviews.

Remote endpoints: streamable-http: https://mcp.nobleblocks.com/mcp

Security Report

3.5

Use Caution3.5High Risk

The NobleBlocks MCP server implements proper authentication via API keys and includes security measures like input sanitization, rate limiting, and audit logging. However, several concerns lower the score: the OAuth provider code is incomplete/truncated making full analysis impossible, there are gaps in token validation and refresh token handling, and some error handling could be more robust. The server's permissions (network HTTP, environment variables) are appropriate for its educational/research purpose of querying academic databases. Supply chain analysis found 7 known vulnerabilities in dependencies (0 critical, 4 high severity).

4 files analyzed · 16 issues found

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Required

This plugin requests these system permissions. Most are normal for its category.

HTTP Network Access

Connects to external APIs or services over the internet.

env_vars

Check that this permission is expected for this type of plugin.

File System Write

Writes or modifies files on your machine. Check that this is expected for the tool.

How to Install & Connect

Available as Local & Remote

This plugin can run on your machine or connect to a hosted endpoint. during install.

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Nobleblocks MCP Server

About

Security Report

Findings (16)Action required

Permissions Required

How to Install & Connect

Reviews

No reviews yet

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