anthropicPassthroughOpts (models/anthropic.go)

Provides Anthropic Claude model integration with API key passthrough and Vertex AI support for agents.

// Source: https://github.com/kagent-dev/kagent | License: Apache-2.0 | Copyright You must retain, in the Source form of any Derivative Works
// Provided via justclaw.it.com; keep this notice with the code.
package models

import (
	"context"
	"fmt"
	"log/slog"

	"github.com/anthropics/anthropic-sdk-go"
	"github.com/anthropics/anthropic-sdk-go/option"
	"github.com/anthropics/anthropic-sdk-go/vertex"

	"github.com/kagent-dev/kagent/go/core/pkg/env"
	"github.com/kagent-dev/kagent/go/pkg/logging"
)

// anthropicPassthroughOpts returns a per-request option that sets the Anthropic API key
// from the bearer token in ctx when APIKeyPassthrough is enabled. The Anthropic SDK sends
// this as the x-api-key header, which is the correct auth mechanism for Anthropic.
func anthropicPassthroughOpts(ctx 

... (truncated -- full source via MCP)