termcode/dist/providers/anthropic.js

Superior terminal AI coding agent with enterprise-grade security, intelligent error recovery, performance monitoring, and plugin system - Advanced Claude Code alternative

import Anthropic from "@anthropic-ai/sdk";
import { getProviderKey } from "../onboarding.js";
export const anthropicProvider = {
    id: "anthropic",
    name: "Anthropic",
    maxContext: 200000,
    supportsTools: true,
    async chat(messages, { model, temperature = 0.2, maxTokens }) {
        const key = await getProviderKey("anthropic");
        if (!key) {
            throw new Error("Anthropic key not set. Run /keys or restart to configure.");
        }
        const client = new Anthropic({ apiKey: key });
        // Separate system message from conversation
        const systemMessage = messages.find(m => m.role === "system")?.content;
        const conversationMessages = messages
            .filter(m => m.role !== "system")
            .map(m => ({
            role: m.role,
            content: m.content
        }));
        const response = await client.messages.create({
            model,
            messages: conversationMessages,
            system: systemMessage,
            max_tokens: maxTokens || 4000,
            temperature
        });
        return response.content[0]?.type === "text" ? response.content[0].text : "";
    },
    async embed(texts, { model }) {
        // Anthropic doesn't provide embeddings - fallback to OpenAI
        throw new Error("Anthropic doesn't provide embeddings. Use OpenAI or another provider for embeddings.");
    },
    async listModels() {
        return [
            { id: "claude-3-5-sonnet-20241022", type: "chat", context: 200000, costPer1kTokens: 0.003 },
            { id: "claude-3-5-haiku-20241022", type: "chat", context: 200000, costPer1kTokens: 0.00025 },
            { id: "claude-3-opus-20240229", type: "chat", context: 200000, costPer1kTokens: 0.015 }
        ];
    },
    async healthCheck() {
        try {
            const key = await getProviderKey("anthropic");
            if (!key) {
                return { status: "error", error: "No API key configured" };
            }
            return { status: "healthy", models: ["claude-3-5-sonnet-20241022", "claude-3-5-haiku-20241022"] };
        }
        catch (error) {
            return { status: "error", error: error.message };
        }
    },
    estimateCost(tokens, model) {
        const costs = {
            "claude-3-5-sonnet-20241022": 0.003,
            "claude-3-5-haiku-20241022": 0.00025,
            "claude-3-opus-20240229": 0.015
        };
        return (tokens / 1000) * (costs[model] || 0.003);
    }
};