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Agent Harness

GroundX Agent Harness

GroundX Agent Harness gives your AI agent (Claude, Codex, Cursor, and others) instructions for loading documents, searching them, and extracting structured data. Install it and connect to GroundX, then ask the agent to work in plain language.

Compare options at Choose Your GroundX Path, or see Install GroundX Agent Harness.

What It Is

Installing Agent Harness into a supported agent (Claude Code, Claude Desktop, Codex, and others) gives the agent:

  • step-by-step task instructions
  • references for GroundX concepts and features
  • guidance for choosing an approach to ingest, search, extraction, or deployment
  • checks to verify its work

What It Can Help With

  • Loading and searching documents. Add and organize documents, wait for processing, and search for answers.
  • Connecting the tools. Connect your agent to GroundX’s hosted tools.
  • Pulling out structured data. Choose fields, run extraction, and check results against expected values.
  • Sorting documents. Group documents by type or purpose for further processing.
  • Reports. Answer questions across documents and assemble a report with sources for each answer.
  • Self-hosted setup. Planning a GroundX deployment you run yourself, including sizing and configuration for private or air-gapped environments.
  • How GroundX works. Explaining the product and how it fits your use case.
  • Using the SDKs. Working with the GroundX SDKs from your own code.

What You Install, And How The Agent Reaches GroundX

Install the skills, then choose how your agent connects to GroundX.

  • The skills. Instructions, references, and workflows install as a plugin in Claude and Codex. Other agents use their own Agent Skills installation method.
  • A connection. The agent needs access to the GroundX API to run tasks:
    • GroundX’s hosted tools (MCP). Connect them if your agent supports remote tools. Sign in through a browser or set your API key in the connection settings. Never paste a key into chat.
    • The SDK or REST API. The agent uses your GroundX API key (GROUNDX_API_KEY, set wherever your agent runs) to call GroundX from code. This works with any agent that can run code or make web requests.

You don’t have to set both up. Connect the hosted tools if your agent supports them; otherwise the agent uses your key with the SDK.