# Octocode (MCP server)

> Octocode is an MCP server that adds search and knowledge tools to AI assistants such as Claude Desktop, Claude Code and Cursor. AI-powered code indexer with semantic search and knowledge graphs. It has 481 GitHub stars, is released under the Apache-2.0 license and runs locally with npx -y @muvon/octocode.

Give your AI assistant a brain for your codebase. Octocode transforms your project into a navigable knowledge graph that Claude, Cursor, and other AI agents can search, understand, and navigate.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/Muvon/octocode |
| GitHub stars | 481 |
| License | Apache-2.0 |
| Language | Rust |
| Transport | stdio |
| Packages | npm: @muvon/octocode |
| Remote URL | none |
| Needs API key | no |
| Official | yes |
| Works with | Claude Desktop, Claude Code, Cursor, VS Code |
| Category | AI & search |
| Latest release | 0.26.5 (Oct 6, 2026) |
| Last commit | Oct 6, 2026 |
| MCP registry name | io.github.Muvon/octocode |

## Install

### Claude Desktop (claude_desktop_config.json)

```json
{
  "mcpServers": {
    "octocode": {
      "command": "npx",
      "args": [
        "-y",
        "@muvon/octocode"
      ]
    }
  }
}
```

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

### Claude Code

```sh
claude mcp add --transport stdio octocode -- npx -y @muvon/octocode
```

### Cursor (.cursor/mcp.json)

```json
{
  "mcpServers": {
    "octocode": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@muvon/octocode"
      ]
    }
  }
}
```

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

### VS Code (.vscode/mcp.json)

```json
{
  "servers": {
    "octocode": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@muvon/octocode"
      ]
    }
  }
}
```

Config formats checked against the official docs on 2026-10-07.

## Tools

- `semantic_search`: Find code by meaning — "authentication flow", "error handling", "database queries"
- `view_signatures`: View file structure — function signatures, class definitions, imports
- `graphrag`: Always-on file/symbol graph — search nodes, inspect relationships, and find paths without indexing
- `structural_search`: AST pattern matching — find .unwrap() calls, new instantiations, specific patterns
- `lsp_goto_definition`: Jump to a symbol's definition (requires --with-lsp)
- `lsp_find_references`: Find all usages of a symbol across the workspace (requires --with-lsp)
- `lsp_hover`: Type info and documentation for a symbol (requires --with-lsp)

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---

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