Add ollama provider option

src/api/index.ts

@@ -5,6 +5,7 @@ import { AwsBedrockHandler } from "./bedrock"
 import { OpenRouterHandler } from "./openrouter"
 import { VertexHandler } from "./vertex"
 import { OpenAiHandler } from "./openai"
+import { OllamaHandler } from "./ollama"
 
 export interface ApiHandlerMessageResponse {
 	message: Anthropic.Messages.Message
@@ -43,6 +44,8 @@ export function buildApiHandler(configuration: ApiConfiguration): ApiHandler {
 			return new VertexHandler(options)
 		case "openai":
 			return new OpenAiHandler(options)
+		case "ollama":
+			return new OllamaHandler(options)
 		default:
 			return new AnthropicHandler(options)
 	}

src/api/ollama.ts

@@ -0,0 +1,74 @@
+import { Anthropic } from "@anthropic-ai/sdk"
+import OpenAI from "openai"
+import { ApiHandler, ApiHandlerMessageResponse, withoutImageData } from "."
+import { ApiHandlerOptions, ModelInfo, openAiModelInfoSaneDefaults } from "../shared/api"
+import { convertToAnthropicMessage, convertToOpenAiMessages } from "../utils/openai-format"
+
+export class OllamaHandler implements ApiHandler {
+	private options: ApiHandlerOptions
+	private client: OpenAI
+
+	constructor(options: ApiHandlerOptions) {
+		this.options = options
+		this.client = new OpenAI({
+			baseURL: "http://localhost:11434/v1",
+			apiKey: "ollama",
+		})
+	}
+
+	async createMessage(
+		systemPrompt: string,
+		messages: Anthropic.Messages.MessageParam[],
+		tools: Anthropic.Messages.Tool[]
+	): Promise<ApiHandlerMessageResponse> {
+		const openAiMessages: OpenAI.Chat.ChatCompletionMessageParam[] = [
+			{ role: "system", content: systemPrompt },
+			...convertToOpenAiMessages(messages),
+		]
+		const openAiTools: OpenAI.Chat.ChatCompletionTool[] = tools.map((tool) => ({
+			type: "function",
+			function: {
+				name: tool.name,
+				description: tool.description,
+				parameters: tool.input_schema,
+			},
+		}))
+		const createParams: OpenAI.Chat.Completions.ChatCompletionCreateParamsNonStreaming = {
+			model: this.options.ollamaModelId ?? "",
+			messages: openAiMessages,
+			tools: openAiTools,
+			tool_choice: "auto",
+		}
+		const completion = await this.client.chat.completions.create(createParams)
+		const errorMessage = (completion as any).error?.message
+		if (errorMessage) {
+			throw new Error(errorMessage)
+		}
+		const anthropicMessage = convertToAnthropicMessage(completion)
+		return { message: anthropicMessage }
+	}
+
+	createUserReadableRequest(
+		userContent: Array<
+			| Anthropic.TextBlockParam
+			| Anthropic.ImageBlockParam
+			| Anthropic.ToolUseBlockParam
+			| Anthropic.ToolResultBlockParam
+		>
+	): any {
+		return {
+			model: this.options.ollamaModelId ?? "",
+			system: "(see SYSTEM_PROMPT in src/ClaudeDev.ts)",
+			messages: [{ conversation_history: "..." }, { role: "user", content: withoutImageData(userContent) }],
+			tools: "(see tools in src/ClaudeDev.ts)",
+			tool_choice: "auto",
+		}
+	}
+
+	getModel(): { id: string; info: ModelInfo } {
+		return {
+			id: this.options.ollamaModelId ?? "",
+			info: openAiModelInfoSaneDefaults,
+		}
+	}
+}

src/providers/ClaudeDevProvider.ts

@@ -29,6 +29,7 @@ type GlobalStateKey =
 	| "taskHistory"
 	| "openAiBaseUrl"
 	| "openAiModelId"
+	| "ollamaModelId"
 
 export class ClaudeDevProvider implements vscode.WebviewViewProvider {
 	public static readonly sideBarId = "claude-dev.SidebarProvider" // used in package.json as the view's id. This value cannot be changed due to how vscode caches views based on their id, and updating the id would break existing instances of the extension.
@@ -319,6 +320,7 @@ export class ClaudeDevProvider implements vscode.WebviewViewProvider {
 								openAiBaseUrl,
 								openAiApiKey,
 								openAiModelId,
+								ollamaModelId,
 							} = message.apiConfiguration
 							await this.updateGlobalState("apiProvider", apiProvider)
 							await this.updateGlobalState("apiModelId", apiModelId)
@@ -333,6 +335,7 @@ export class ClaudeDevProvider implements vscode.WebviewViewProvider {
 							await this.updateGlobalState("openAiBaseUrl", openAiBaseUrl)
 							await this.storeSecret("openAiApiKey", openAiApiKey)
 							await this.updateGlobalState("openAiModelId", openAiModelId)
+							await this.updateGlobalState("ollamaModelId", ollamaModelId)
 							this.claudeDev?.updateApi(message.apiConfiguration)
 						}
 						await this.postStateToWebview()
@@ -623,6 +626,7 @@ export class ClaudeDevProvider implements vscode.WebviewViewProvider {
 			openAiBaseUrl,
 			openAiApiKey,
 			openAiModelId,
+			ollamaModelId,
 			lastShownAnnouncementId,
 			customInstructions,
 			alwaysAllowReadOnly,
@@ -641,6 +645,7 @@ export class ClaudeDevProvider implements vscode.WebviewViewProvider {
 			this.getGlobalState("openAiBaseUrl") as Promise<string | undefined>,
 			this.getSecret("openAiApiKey") as Promise<string | undefined>,
 			this.getGlobalState("openAiModelId") as Promise<string | undefined>,
+			this.getGlobalState("ollamaModelId") as Promise<string | undefined>,
 			this.getGlobalState("lastShownAnnouncementId") as Promise<string | undefined>,
 			this.getGlobalState("customInstructions") as Promise<string | undefined>,
 			this.getGlobalState("alwaysAllowReadOnly") as Promise<boolean | undefined>,
@@ -676,6 +681,7 @@ export class ClaudeDevProvider implements vscode.WebviewViewProvider {
 				openAiBaseUrl,
 				openAiApiKey,
 				openAiModelId,
+				ollamaModelId,
 			},
 			lastShownAnnouncementId,
 			customInstructions,

src/shared/api.ts

@@ -1,4 +1,4 @@
-export type ApiProvider = "anthropic" | "openrouter" | "bedrock" | "vertex" | "openai"
+export type ApiProvider = "anthropic" | "openrouter" | "bedrock" | "vertex" | "openai" | "ollama"
 
 export interface ApiHandlerOptions {
 	apiModelId?: string
@@ -13,6 +13,7 @@ export interface ApiHandlerOptions {
 	openAiBaseUrl?: string
 	openAiApiKey?: string
 	openAiModelId?: string
+	ollamaModelId?: string
 }
 
 export type ApiConfiguration = ApiHandlerOptions & {