Vendor Catalog
Anthropic
Claude Opus, Sonnet, and Haiku via the Messages API
Vendor ID: anthropic · Maturity: preview · anthropic.com · docs.anthropic.com · Categories: AI
Anthropic Claude — Opus, Sonnet, and Haiku models served through the Messages API. Wire protocol: anthropic-messages-v1.
Auth
| Credential | Notes |
|---|---|
apiKey | Anthropic API key. Sent as x-api-key. |
Capabilities
| Capability | Notes |
|---|---|
| LLM | Default model: claude-sonnet-4-5. Wire protocol anthropic-messages-v1. Models discovered dynamically via /v1/models. |
There are no stand-alone tool products on this vendor — Anthropic contributes only the LLM capability. The Agent / Router / Evaluator blocks pick it up via the integration registry.
Where to next
- Agent block — choose an LLM-capable vendor for an agent step.
- Capabilities — how LLM resolution works.