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Datadog OpenCode Plugin

Query your Datadog data directly from OpenCode using natural language. Ask about logs, metrics, traces, dashboards, monitors, and more.

What you need

• A Datadog account
• OpenCode CLI

Getting started

If you already have the Datadog MCP server registered separately in your opencode.json, disable or remove it first to avoid conflicts.

1. Add the plugin to your opencode.json (create the file if it doesn't exist):

{ "plugin": ["@datadog/opencode-plugin"] }

If you already have a plugin array, add "@datadog/opencode-plugin" to the existing list.

2. Restart OpenCode.

OpenCode runs bun install at startup, so the package is fetched from npm automatically — no separate install command needed.

The plugin provides three custom tools (ddsetup, ddconfig, ddtoolsets) that the agent can use to manage the Datadog MCP server.

Before you can start querying your Datadog data, the agent needs to set up the connection. Ask any Datadog-related question or tell the agent to run ddsetup — it will guide you through selecting your Datadog site and write the MCP server configuration to opencode.json.

After setup, restart OpenCode to activate the MCP server and complete authentication when prompted.

Using the plugin

Once connected, just ask the agent anything about your Datadog data:

Show me error logs from the last hour

What monitors are currently alerting?

Find traces for service "api-gateway" with latency > 500ms

List my dashboards

Can't connect?

Never connected before? Tell the agent to run ddsetup. It will configure the Datadog MCP server in your opencode.json.

Was working before but stopped? Tell the agent to run ddconfig with the troubleshoot action. It will check your domain, authentication status, and help diagnose the issue.

Changing settings

The plugin provides tools the agent can use to manage configuration:

• ddconfig — change your Datadog site or view connection details
• ddtoolsets — enable or disable groups of tools

Advanced usage

Key authentication

Instead of OAuth, you can authenticate using a Datadog API key and application key. Add the MCP server entry to your opencode.json manually with OAuth disabled:

{
  "mcp": {
    "datadog": {
      "type": "remote",
      "url": "https://mcp.datadoghq.com/api/unstable/mcp-server/mcp",
      "oauth": false,
      "headers": { "DD_API_KEY": "{env:DD_API_KEY}", "DD_APPLICATION_KEY": "{env:DD_APPLICATION_KEY}" }
    }
  }
}

Set the environment variables before starting OpenCode:

DD_API_KEY=your-api-key DD_APPLICATION_KEY=your-application-key opencode

Replace the MCP domain in the URL if your organization uses a different Datadog site (e.g. mcp.datadoghq.eu for EU).

Environment variable overrides

OpenCode supports {env:VARIABLE_NAME} substitution anywhere inside opencode.json — you can hand-edit the mcp.datadog entry to read values from the environment (for example, to swap the MCP domain per shell session). This is a manual workflow: the plugin's ddsetup, ddconfig, and ddtoolsets tools always write concrete values, so if you want {env:…} placeholders you need to add them yourself and they will be preserved across surgical edits (comments and unrelated keys are preserved too).

Good to know

• By default, authentication is handled via OAuth in your browser. Key authentication is also supported.
• No Datadog credentials are sent to the AI model provider.

Support

• Datadog MCP Server Documentation

Legal

See the LICENSE and NOTICE files included with this plugin.

For details on how Datadog handles your data, see the Datadog Privacy Policy.