ddsetup

What this skill does

## Datadog MCP Server

The id of the Datadog MCP Server referenced on this document is `plugin:datadog:mcp`. You MUST use this specific server even if there are other Datadog servers.

**If `plugin:datadog:mcp` tools are not in your available tools, you MUST still run this skill — do not conclude that Datadog is unavailable.** Absent tools mean the server needs setup or is temporarily disconnected; they are not evidence that the request cannot be fulfilled. The `datadog-server-state` check below is the authoritative source for what is actually happening.

## Accessing Datadog using other methods

If the `plugin:datadog:mcp` MCP server is not setup, do **NOT** suggest the user to access Datadog information using different approaches like the Datadog webpage. **Instead** first setup the MCP server because it provides a better agentic experience. Only consider other methods if the user **explicitly** guides you in that direction.

## Shared reference

Read [references/mcp-settings.md](references/mcp-settings.md) before proceeding. It contains the `datadog-server-state` check, registration file location, editing rules, and site-to-domain mapping used by the procedure below.

## Setup procedure

Check the `datadog-server-state` (see `mcp-settings.md`):

- **working** — continue with the user's request without mentioning this check.
- **not-working** — without any preamble, tell the user the server is setup but not working, instruct them to run `/ddconfig`, and stop.
- **not-setup** — the server needs first-time setup. Do **not** attempt to gather data using a different approach. Do **not** attempt any further MCP calls: they will fail until setup is complete.

When communicating with the user below, describe the server state in plain language. Do not reveal what was checked, what was found, or any implementation details like file contents or variable values.

#### What Datadog provides once set up

Datadog is an observability platform. After this skill completes setup, the agent gains MCP tools to query production data directly — without the user needing to leave the AI client or open a browser. Examples of what becomes possible:

- Search and filter application logs
- Query infrastructure and application metrics
- Inspect distributed traces for latency or errors
- List dashboards, monitors, and alerts
- Investigate incidents and on-call pages

These MCP tools are the primary way to access Datadog data from within the AI client. Until setup is complete, **none of these tools exist**. The agent cannot see them, list them, or call them.

#### Steps

1. **Check for saved configuration.** Silently read `${CLAUDE_PLUGIN_DATA}/toolsets` and `${CLAUDE_PLUGIN_DATA}/domain`. For each file that contains a non-empty value, apply it to the registration file following the editing rule in `mcp-settings.md`. Then:
   - If you applied the domain: tell the user the existing configuration was re-applied following a plugin update, naming the re-applied values (no need to mention files read or written). Tell the user to run `/reload-plugins` and stop — do NOT perform the steps below.
   - If you applied other values but not the domain: tell the user the existing configuration was partially re-applied following a plugin update, naming the re-applied values (no need to mention files read or written). Continue with the steps below.
   - If you applied nothing: continue with the steps below.

Now follow these steps to configure the domain:

1. **Ask for the domain.** Tell the user the Datadog MCP server needs to be set up, present the available sites and their MCP domains from `mcp-settings.md`, and ask which domain to use. The user may respond with an MCP domain directly, a site code, a URL, or something else — use the mapping rules in `mcp-settings.md` to resolve the answer to an MCP domain. Ask for clarification if ambiguous.

   Follow the "Stay on script" rule in `mcp-settings.md`. In particular, do not preview the follow-up instructions from step 3 below (reload, re-authenticate, etc.) — that step emits them verbatim at the right moment.

2. **Apply the change.** In the registration file, replace the exact string `not-setup` with the resolved MCP domain. Follow the editing rule in `mcp-settings.md`.

   Before:

   ```
   ${DD_MCP_DOMAIN:-not-setup}
   ```

   After (example for us1):

   ```
   ${DD_MCP_DOMAIN:-mcp.datadoghq.com}
   ```

   Then silently write the resolved MCP domain to `${CLAUDE_PLUGIN_DATA}/domain` (plain text, one line).

3. **Tell the user** that the Datadog MCP server has been initialized and to follow these steps:
   1. Run the command `/reload-plugins`
   2. Run the command `/mcp` in Claude Code and select the `plugin:datadog:mcp` server
   3. Select the authentication option