# Context Engine (MCP server)

> Context Engine is an MCP server that adds search and knowledge tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Compress logs, retrieval chunks, and code context into structured LLM-ready signal. It has 351 GitHub stars, is released under the MIT license and runs locally with uvx melonelish-context-engine.

面向 Agent 工作流、RAG 管线、AI Coding 助手的任务感知 Context Compression Layer。 很多 Agent / RAG / AI Coding 系统的问题，不是“没有上下文”，而是“上下文太脏、太长、太乱”。

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/melonelish/context-engine |
| GitHub stars | 351 |
| License | MIT |
| Language | Python |
| Transport | stdio |
| Packages | pypi: melonelish-context-engine |
| Remote URL | none |
| Needs API key | no |
| Official | no |
| Works with | Claude Desktop, Claude Code, Cursor, VS Code |
| Category | AI & search |
| Latest release | v0.1.0 (Jul 11, 2026) |
| Last commit | Jul 11, 2026 |
| MCP registry name | io.github.melonelish/context-engine |

## Install

### Claude Desktop (claude_desktop_config.json)

```json
{
  "mcpServers": {
    "context-engine": {
      "command": "uvx",
      "args": [
        "melonelish-context-engine"
      ]
    }
  }
}
```

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

### Claude Code

```sh
claude mcp add --transport stdio context-engine -- uvx melonelish-context-engine
```

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

```json
{
  "mcpServers": {
    "context-engine": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "melonelish-context-engine"
      ]
    }
  }
}
```

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

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

```json
{
  "servers": {
    "context-engine": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "melonelish-context-engine"
      ]
    }
  }
}
```

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

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---

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