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MCP server · Developer Tools

Second Brain MCP

by · github.com/RyanMaxiemus/second-brain-mcp

Self-maintaining knowledge vault: figure-level search, auto-wikilinks, and memory compression.

Unclaimed last commit 7 months ago search
InstallView source
48Fair

Scored 9 hours ago · breakdown

About Second Brain MCP

Second Brain MCP is an MCP server published by RyanMaxiemus in the Developer Tools category: self-maintaining knowledge vault: figure-level search, auto-wikilinks, and memory compression. It has been installed 0 times through Conduid.

The repository has 13 stars and 0 forks, with the last commit 7 months ago. Six months or more without a commit doesn't mean the server is broken, but check the open issues (0) before depending on it in production.

Install

Install
npx second-brain-mcp
uvx
uvx mcp-second-brain
pip
pip install mcp-second-brain

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

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Security checks

  • ·README presentNot checked yet.
  • ·License declaredNot checked yet.
  • ·Tests presentNot checked yet.
  • ·Dependencies pinnedNot checked yet.
  • ·No dynamic code executionNot checked yet.
  • !Scoped permissionsDoesn't declare a permission scope. Assume it can do anything its process can.

README

🧠 Second Brain MCP

Your code, but searchable like memories. Stop grepping, start remembering. A semantic search MCP server for your codebase—ask natural questions, get smart answers.

PRs Welcome

TL;DR

Second Brain MCP is a local server that indexes your code and other text-based files, allowing you to perform semantic searches using natural language. It runs as a Model Context Protocol (MCP) server, so you can interact with it from any MCP-compatible client. It uses OpenAI's embedding models to understand the meaning of your code, not just keywords.

🛠️ Tech Stack

This project is a TypeScript-based Node.js application.

Component Technology Key Libraries/Frameworks
Application Runtime Node.js TypeScript, @modelcontextprotocol/sdk
Database SQLite better-sqlite3
Embeddings OpenAI openai
Development Package Manager npm

🚀 Quick Start

The following instructions are optimized for a Linux environment (Ubuntu/Debian).

Prerequisites

You must have Node.js (v20+) and npm installed.

  1. Clone the repository

    git clone https://github.com/RyanMaxiemus/second-brain-mcp.git
cd second-brain-mcp

  2. Configure Environment Variables

    You will need an OpenAI API key. You can set it as an environment variable:

    export OPENAI_API_KEY="YOUR_OPENAI_API_KEY"

  3. Install Dependencies

    Install all necessary Node.js dependencies.

    npm install

  4. Build the Application

    Compile the TypeScript code to JavaScript.

    npm run build

  5. Run the Application

    Launch the MCP server.

    npm start

    The server will be running and ready to accept connections from an MCP client.

🤝 Contributing

Found a bug? Have an idea for a new feature? We welcome all contributions!

  1. Open an Issue: Before submitting a Pull Request, please open an issue to discuss the bug or feature you're working on. This helps prevent duplicate work and ensures alignment with the project's goals.
  2. Fork and Branch: Fork the repository and create a new branch for your contribution.
  3. Code and Commit: Write clean, well-documented code. Commit messages should be descriptive and follow a conventional format (e.g., feat: add support for local embeddings).
  4. Submit a PR: Submit a Pull Request against the main branch. We'll review it as quickly as possible.

Let's make Second Brain the most intuitive code search tool available, together.

README mirrored from the source repository 9 hours ago. The original is authoritative.

Questions

About Second Brain MCP

How do I install Second Brain MCP?

Run npx second-brain-mcp, then add the server to your MCP client's configuration. Conduid has recorded 0 installs, so the command is known to work with current clients.

Is Second Brain MCP safe to use with an AI agent?

Its trust score is 48 out of 100 (fair). It passes 0 of 1 static security checks; the failures are listed above. It has no ConduID identity yet, so agent calls to it are not receipted.

Is Second Brain MCP still maintained?

The last commit was 7 months ago, with 0 open issues. That's long enough that you should check whether the maintainer is responding to issues before depending on it.