HyperX MCP Server

Connect Claude to your HyperX knowledge graph using the Model Context Protocol (MCP).

Installation

pip install hyperx-mcp

Or install from source:

cd hyperx-mcp
pip install -e .

Configuration

Environment Variables

Variable	Required	Default	Description
HYPERX_API_KEY	Yes	-	Your HyperX API key
HYPERX_BASE_URL	No	https://api.hyperxdb.dev	API base URL
HYPERX_ACCESS_LEVEL	No	explore	Tool access level: read, explore, or full

Claude Desktop Configuration

Add to your Claude Desktop config file:

macOS: ~/Library/Application Support/Claude/claude_desktop_config.json Windows: %APPDATA%\Claude\claude_desktop_config.json

{
  "mcpServers": {
    "hyperx": {
      "command": "hyperx-mcp",
      "env": {
        "HYPERX_API_KEY": "your-api-key-here",
        "HYPERX_ACCESS_LEVEL": "explore"
      }
    }
  }
}

Alternative: Using uvx (no install required)

{
  "mcpServers": {
    "hyperx": {
      "command": "uvx",
      "args": ["hyperx-mcp"],
      "env": {
        "HYPERX_API_KEY": "your-api-key-here"
      }
    }
  }
}

Available Tools

Read Level (read)

Basic read-only access for RAG applications.

Tool	Description
hyperx_search	Hybrid search (vector + text) for entities
hyperx_lookup	Get entity by ID
hyperx_paths	Find paths between entities

Explore Level (explore)

Extended read access for graph exploration.

Tool	Description
hyperx_explorer	Explore entity neighborhood
hyperx_explain	Natural language entity explanation
hyperx_relationships	Get entity relationships

Full Level (full)

Complete access including mutations.

Tool	Description
hyperx_entity_crud	Create, update, delete entities
hyperx_hyperedge_crud	Create, update, delete hyperedges

Quality Signals

All tool responses include quality signals to help Claude self-correct:

{
  "success": true,
  "data": { ... },
  "quality": {
    "confidence": 0.85,
    "coverage": 0.72,
    "diversity": 0.68,
    "should_retrieve_more": false,
    "suggested_refinements": ["Try searching for 'transformer attention'"]
  }
}

• confidence: Overall result quality (0.0-1.0)
• coverage: How well results cover the query
• diversity: Entity type diversity in results
• should_retrieve_more: Hint to expand search
• suggested_refinements: Query improvement suggestions

Example Usage

Once configured, you can ask Claude:

"Search my knowledge graph for information about transformer architectures"

"Find the connection between BERT and GPT in the knowledge graph"

"Explore all entities related to machine learning within 2 hops"

"Create a new concept entity for 'Retrieval Augmented Generation'"

Development

# Install dev dependencies
pip install -e ".[dev]"

# Run tests
pytest

# Run linter
ruff check .

Troubleshooting

"HYPERX_API_KEY environment variable is required"

Make sure you've set the API key in your Claude Desktop config or environment.

Tools not appearing in Claude

1. Restart Claude Desktop after config changes
2. Check the config file path is correct for your OS
3. Verify the hyperx-mcp command is in your PATH

Connection errors

1. Check your API key is valid
2. Verify network connectivity to api.hyperxdb.dev
3. Check if you need to set a custom HYPERX_BASE_URL

License

MIT