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Hex Graph

Hex Graph is an MCP server that adds developer tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Deterministic layered code graph MCP server with framework overlays and SCIP interop. It has 584 GitHub stars, is released under the MIT license and runs locally with npx -y @levnikolaevich/hex-graph-mcp.

github.com/levnikolaevich/claude-code-skills (opens in a new tab)

Data as of from the GitHub API and the official MCP registry; description from the project's repository. Report an error

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Install Hex Graph

Generated from the server's MCP registry entry. Replace your-value with your own values.

Claude Desktop

claude_desktop_config.json
{
  "mcpServers": {
    "hex-graph": {
      "command": "npx",
      "args": [
        "-y",
        "@levnikolaevich/hex-graph-mcp"
      ]
    }
  }
}

Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.

Claude Code

claude mcp add --transport stdio hex-graph -- npx -y @levnikolaevich/hex-graph-mcp

Cursor

.cursor/mcp.json
{
  "mcpServers": {
    "hex-graph": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@levnikolaevich/hex-graph-mcp"
      ]
    }
  }
}

Project file; use ~/.cursor/mcp.json to enable it in every project.

VS Code

.vscode/mcp.json
{
  "servers": {
    "hex-graph": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@levnikolaevich/hex-graph-mcp"
      ]
    }
  }
}

Config formats checked against the official docs on Oct 7, 2026: modelcontextprotocol.io (opens in a new tab), code.claude.com (opens in a new tab), cursor.com (opens in a new tab), code.visualstudio.com (opens in a new tab).

About Hex Graph

Open-source standalone agent skills, distributed as plugins for Claude Code and OpenAI Codex, help turn product ideas, code fixes, architecture reviews and deployments into scoped work with a verifiable result. Each workflow defines what to check, what it may change, and how to report evidence and remaining gaps.

  • claude-code
  • claude-code-skills
  • developer-tools
  • ai-agents
  • anthropic
  • code-review
  • developer-productivity
  • performance-optimization
  • software-architecture
  • codebase-audit

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FAQ

Hex Graph FAQ

Still curious? Email info@appsgit.com.

How do I install the Hex Graph MCP server?

Add the command npx -y @levnikolaevich/hex-graph-mcp to your MCP client: put it in claude_desktop_config.json for Claude Desktop, run claude mcp add for Claude Code, or add it to .cursor/mcp.json (Cursor) or .vscode/mcp.json (VS Code). The snippets on this page are ready to paste.

Is Hex Graph free?

The server is open source under the MIT license, so running it is free. It does not declare any required API key.

Is Hex Graph actively maintained?

The most recent commit was on Oct 18, 2026. The latest release is v2026.10.18, published Oct 18, 2026. appsgit only lists MCP servers with a commit in the last six months.