anthropic

package

v0.34.2 Latest Latest Go to latest Published: Aug 30, 2026 License: MIT Imports: 15 Imported by: 0

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type Anthropic struct {
	// contains filtered or unexported fields
}

Anthropic implements core.Provider for the Anthropic Messages API. Supports both API key auth and OAuth tokens (Claude Max).

func New(apiKey string) *Anthropic

New creates an Anthropic provider. Automatically detects OAuth tokens by their "sk-ant-oat" prefix.

func NewWithBaseURL(apiKey, baseURL string) *Anthropic

NewWithBaseURL creates an Anthropic provider with a custom base URL (for testing).

func (a *Anthropic) IsOAuth() bool

IsOAuth returns true if this provider is using an OAuth token.

func (a *Anthropic) Stream(ctx context.Context, req core.Request) (<-chan core.AssistantEvent, error)

Stream sends a request to the Anthropic Messages API and returns a channel of normalized AssistantEvents.

Error contract:

Returns error for pre-stream failures (bad request, auth, network).
If channel is returned, exactly one terminal event ("done" or "error") will be sent before the channel is closed.

func (a *Anthropic) SupportsDocuments() bool

SupportsDocuments returns true: Anthropic document blocks are GA for both API-key and OAuth auth.