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Connect a customer-managed MCP server so its selected tools can be used by an agent with explicit authentication and filtering.

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Prerequisites

  • An MCP server reachable from the Klatt runtime.
  • A credential only if the server requires authentication.

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Add an MCP connection

  1. Open Tools and choose Create tool.
  2. Select MCP Server and enter the server URL.
  3. Choose a managed credential or leave authentication empty when the server is intentionally public.
  4. Add a comma-separated tool filter when the agent should see only selected tools.
  5. Save the tool, attach it to an Agent node, and test a read-only action first.

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Constraints and failure states

The server URL must begin with http:// or https://. An unreachable server, invalid credential, or filtered-out tool makes the action unavailable to the agent. The server controls the tool schema and remains an external dependency.

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Protect your data

Prefer HTTPS, narrow the tool filter, and use a credential with the least privilege. Review every tool schema before allowing it to mutate customer data or trigger an external action.

Related topics

Tool lifecycleAdd an agent to a website