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Agent reference · Coding agent

Claude Code

A coding agent on the developer's machine (or through Anthropic's hosted connector). We see its MCP calls by name and header, verify them when it signs in as Claude Code, and see its page fetches as Claude-User (claude-code).

Vendor
Anthropic
Agent type
Coding agentRead your docs and call your APIs while they write code for a developer.
Can be verified by
Can't be verifiedThe vendor publishes nothing a visit can be checked against. A visitor using this name can be named, never proven.
How sure we are
UnverifiedOnly third-party lists mention it. We name it, and never treat it as proven.
Last reviewed
Vendor documentation
claude.ai (opens in a new tab)

Tokens to look for

User-Agent tokens

No user-agent token is documented: its visits don't name it.

robots.txt tokens

No robots.txt token is documented for it.

Check a visitor claiming to be Claude Code

We've filled in its token. Paste the full User-Agent from your logs and the address it came from for a real answer.

Paste the full User-Agent header from your logs. A single token such as GPTBot works too.

Optional

IPv4 or IPv6, as your logs show it. Used only for this check and never stored. Without it, a claim can only come back as can't be verified.

What this means for your site

Claude Code reads your docs and calls your API while it writes code. Clear docs and a working API decide whether it picks you.

See whether AI agents can find your product, use it and, soon, pay for it.

Run the free agent-readiness check