AI AGENTS

Datadog Edge Anomaly to Cloudflare WAF Auto-Tighten

When Datadog detects an edge-traffic anomaly, an agent correlates it against runbooks, tightens the relevant Cloudflare WAF managed ruleset, and logs the change for review.

CategoryAI Agents
Enginepaperclip
Difficultyadvanced
Triggerevent
Steps5
Setup~25 min

How it runs

The automated pipeline, trigger to output.

  • TriggerDatadog edge-anomaly monitor firesDatadogDatadog
  • ActionRetrieve runbook and confirm anomaly is actionableCustom MCP server
  • LogicCheck anomaly against runbook action threshold
  • ActionTighten Cloudflare WAF managed ruleset sensitivityCloudflareCloudflare
  • OutputLog change as Datadog event and notify SlackDatadogDatadog

What it does

Watches Datadog for anomalous edge traffic and responds by hardening your WAF. When a monitor fires on a request-rate or error-rate anomaly, an agent confirms it against your runbooks, raises the sensitivity of the relevant Cloudflare managed ruleset, and records the change so it can be rolled back.

When to use it

Use it when Datadog is your observability source of truth for edge traffic and you want a graduated, reversible response to anomalies rather than a hard block. Good for teams that prefer tightening sensitivity over outright blocking during ramp-ups.

How it works

  1. 1A Datadog monitor alert triggers on an edge-traffic anomaly.
  2. 2The agent retrieves the relevant runbook from the MCP server and confirms the anomaly is actionable.
  3. 3A logic branch checks whether the anomaly exceeds the runbook threshold for action.
  4. 4If so, the agent tightens the matching Cloudflare WAF managed ruleset sensitivity.
  5. 5It writes the change and its rationale to a Datadog event for an audit trail and alerts Slack.

Set it up

What you configure once, before turning it on.

  1. 1
    Connect DatadogMetrics, traces, log search.
  2. 2
    Connect CloudflareWorkers, Pages, R2, KV — the edge stack.
  3. 3
    Connect Custom MCP serverConnect any MCP-compatible tool you own.
  4. 4
    Connect SlackChannels, DMs, threads, mentions.
  5. 5
    Set each agent's modelWe leave models unset so you pick the tier — fast + cheap, or top-quality.
  6. 6
    Tune it to your dataEdit the prompts, filters, and field mappings so it matches how your team works.
  7. 7
    Test, then turn it onRun once against a sample, confirm the output, then enable the trigger.

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