Developer Tools & Devops · Cloudflare + Claude
Cloudflare MCP with Claude: Automate DNS, Firewall and Security Operations
The short answer
Claude works with Cloudflare through the Model Context Protocol (MCP), a secure standard that lets Claude use Cloudflare with permissions you control. Once connected, Claude can read zone settings and analytics, draft DNS and firewall changes, and carry out approved tasks, all requested in plain natural language by your team.
What is Cloudflare?
Cloudflare is a global network that sits in front of websites, applications and APIs. It helps protect them from attacks such as distributed denial-of-service floods and malicious bots, and it speeds up delivery to visitors around the world. It is used by developers, IT teams, security operations staff and website owners who need reliable, protected online services and clear visibility into traffic.
How Claude connects to Cloudflare through MCP
The Model Context Protocol is an open standard that acts as a universal adapter between Claude and other software. It lets Claude use a tool securely, reading information and taking actions, with the access the organisation chooses to grant. For Cloudflare, connection is made using an API key, so access is tied to a credential your team issues and can revoke at any time.
Once connected, Claude can review DNS records, check firewall rules, look at traffic and security analytics, and explain what it sees in plain English. It can also prepare changes such as adding a DNS record or adjusting a firewall rule, so your engineers can review what is about to happen before it goes live.
Permissions and approvals keep people in charge. We set up least-privilege access, so the API key only carries the rights each workflow needs. Consequential actions, such as changing live DNS or blocking traffic, require a named person to approve them. Every action is logged, so you can see who asked for what and when.
What you can automate
DNS record management
A web operations lead asks Claude to add a new subdomain for a product launch. Claude drafts the record, shows the exact change, and waits for approval. Once approved, the record is created and logged. This reduces manual editing errors and keeps a clear history of every change made to the domain.
Firewall rule automation
A security analyst notices a spike of suspicious requests from a particular region. Claude reviews recent firewall events, proposes a rule to challenge that traffic, and explains the likely impact on real visitors. The analyst approves or adjusts the rule. Routine responses like this can happen in minutes rather than hours.
Traffic and performance reporting
A marketing manager wants a weekly summary of site traffic, cache performance and blocked threats. Claude pulls the relevant analytics and produces a short report in plain language, with notable changes highlighted. Teams spend less time exporting dashboards and more time acting on what the numbers show.
Access and configuration reviews
An IT manager runs a monthly review of who can change Cloudflare settings. Claude lists current access settings, flags anything out of step with the organisation's standards, and prepares a summary for the review meeting. Decisions remain with the manager, who approves any changes.
Incident response support
During an outage or attack, an on-call engineer asks Claude for a quick view of what changed in the last hour. Claude summarises recent DNS and firewall activity and suggests likely causes to check. This helps responders move faster while the final decisions stay with the team.
An end-to-end workflow: Safe DNS change for a new service
TriggerA developer raises a ticket in the ticketing system asking for a new subdomain pointing to a newly deployed service.
Claude reads the ticket from the ticketing system and extracts the requested subdomain and target address.
Claude checks the existing DNS records in Cloudflare to confirm the name is free and does not conflict with current records.
Claude drafts the DNS change and posts it to the approver in Microsoft 365 Teams with a clear summary of the impact.
The network lead approves or rejects the change in the chat thread.
On approval, Claude applies the record in Cloudflare, updates the ticket with the change reference, and records the action in the audit log.
Claude confirms the record resolves correctly and notifies the requester.
OutcomeTypical new subdomain requests move from ticket to live service in under an hour, with a complete audit trail and no unreviewed changes to live DNS.
How we set it up
Free automation audit
We review how your team manages Cloudflare today, including DNS changes, firewall tuning and reporting, and identify the workflows worth automating first. There is no charge for this session.
Secure connection with an API key
We create a dedicated API key with least-privilege permissions for the chosen workflows. The key is stored securely, and access can be revoked at any time. Cloudflare connects through its MCP server or direct API, as suited to your setup.
Workflow design
We map the end-to-end process across Cloudflare and your other systems, such as Microsoft 365, your CRM, ERP or ticketing tool. We agree which actions run automatically and which need human approval.
Testing and launch
We test against real past cases, such as previous DNS changes and firewall events, then launch with monitoring and audit logs turned on. Access is reviewed before going live.
Team training
We train your engineers, security staff and operations team on how to make requests in plain language, review proposed changes and handle exceptions. We hand over documentation so the workflow can be maintained in house.
Who benefits
- Web operations lead
- Launches and updates DNS records faster, with a reviewed change for every edit and a clear history.
- Security analyst
- Gets quicker summaries of attack patterns and can prepare firewall responses for approval.
- IT or infrastructure manager
- Runs access reviews and configuration checks with less manual effort and better records.
- Marketing or digital lead
- Receives plain-language traffic and performance reports without waiting for the technical team.
Security and control
- Least-privilege API keys that carry only the rights each workflow needs.
- Named human approval for consequential actions such as live DNS or blocking traffic.
- Full audit logs of every request, proposed change and applied action.
- Regular review and rotation of API keys, with immediate revocation if needed.
- Testing against real past cases before any workflow goes live.
For teams in the US, UK, India and the Middle East
Organisations in the United States and the United Kingdom can host their Claude workflows in those regions to align with their data protection expectations. Companies in India must consider the Digital Personal Data Protection Act, 2023, and can host in India for local control. Businesses in the Middle East, including the UAE and Saudi Arabia, must meet local data protection laws, and hosting can be chosen to meet those requirements. The right hosting region is selected during design to match your obligations.
Learn more about Claude and MCP
Anthropic's AI model and assistant.
Secure links between Claude and business tools.
How engineers build and change software with Claude.
Hosted agents that run multi-step work.
The open standard Claude uses to connect to tools.
Frequently asked questions
What does the Cloudflare MCP server do?
The Cloudflare MCP server is a secure bridge that lets Claude work with your Cloudflare account. Typically it allows Claude to read DNS records, firewall rules and analytics, and to prepare or carry out changes you have approved. It uses the access you grant, so Claude only does what the connection allows.
Is connecting Claude to Cloudflare secure?
Security depends on how it is set up. We use a dedicated API key with least-privilege permissions, store it securely, and require human approval for consequential changes. Every action is logged, and access can be revoked immediately. Regular key rotation and reviews are part of the setup.
What can Claude do with Cloudflare once connected?
For example, Claude can explain current DNS and firewall settings, summarise traffic and security analytics, draft DNS or firewall changes, and help review access settings. Actions that change live configuration are usually routed to a named approver before they take effect.
How long does setup take?
A simple connection for reading information and drafting changes can often be running within a few days. Larger projects, with several workflows and integrations to other systems, typically take a few weeks, including testing and team training. The free automation audit gives a clearer estimate for your organisation.
Which Cloudflare plan or permissions do I need?
In general, the API key needs permissions matching the workflows you want to automate, such as DNS editing or firewall reading. The exact access depends on your account setup and the tasks chosen. We confirm the right permissions during the audit so you grant only what is needed.