fix(claude-code): disable native tools and temperature support (#9643)

Author: hannesrudolph

packages/types/src/providers/claude-code.ts

@@ -47,6 +47,9 @@ export const claudeCodeModels = {
 		supportsReasoningEffort: false,
 		supportsReasoningBudget: false,
 		requiredReasoningBudget: false,
+		// Claude Code manages its own tools and temperature via the CLI
+		supportsNativeTools: false,
+		supportsTemperature: false,
 	},
 	"claude-sonnet-4-5-20250929[1m]": {
 		...anthropicModels["claude-sonnet-4-5"],
@@ -56,6 +59,9 @@ export const claudeCodeModels = {
 		supportsReasoningEffort: false,
 		supportsReasoningBudget: false,
 		requiredReasoningBudget: false,
+		// Claude Code manages its own tools and temperature via the CLI
+		supportsNativeTools: false,
+		supportsTemperature: false,
 	},
 	"claude-sonnet-4-20250514": {
 		...anthropicModels["claude-sonnet-4-20250514"],
@@ -64,6 +70,9 @@ export const claudeCodeModels = {
 		supportsReasoningEffort: false,
 		supportsReasoningBudget: false,
 		requiredReasoningBudget: false,
+		// Claude Code manages its own tools and temperature via the CLI
+		supportsNativeTools: false,
+		supportsTemperature: false,
 	},
 	"claude-opus-4-5-20251101": {
 		...anthropicModels["claude-opus-4-5-20251101"],
@@ -72,6 +81,9 @@ export const claudeCodeModels = {
 		supportsReasoningEffort: false,
 		supportsReasoningBudget: false,
 		requiredReasoningBudget: false,
+		// Claude Code manages its own tools and temperature via the CLI
+		supportsNativeTools: false,
+		supportsTemperature: false,
 	},
 	"claude-opus-4-1-20250805": {
 		...anthropicModels["claude-opus-4-1-20250805"],
@@ -80,6 +92,9 @@ export const claudeCodeModels = {
 		supportsReasoningEffort: false,
 		supportsReasoningBudget: false,
 		requiredReasoningBudget: false,
+		// Claude Code manages its own tools and temperature via the CLI
+		supportsNativeTools: false,
+		supportsTemperature: false,
 	},
 	"claude-opus-4-20250514": {
 		...anthropicModels["claude-opus-4-20250514"],
@@ -88,6 +103,9 @@ export const claudeCodeModels = {
 		supportsReasoningEffort: false,
 		supportsReasoningBudget: false,
 		requiredReasoningBudget: false,
+		// Claude Code manages its own tools and temperature via the CLI
+		supportsNativeTools: false,
+		supportsTemperature: false,
 	},
 	"claude-3-7-sonnet-20250219": {
 		...anthropicModels["claude-3-7-sonnet-20250219"],
@@ -96,6 +114,9 @@ export const claudeCodeModels = {
 		supportsReasoningEffort: false,
 		supportsReasoningBudget: false,
 		requiredReasoningBudget: false,
+		// Claude Code manages its own tools and temperature via the CLI
+		supportsNativeTools: false,
+		supportsTemperature: false,
 	},
 	"claude-3-5-sonnet-20241022": {
 		...anthropicModels["claude-3-5-sonnet-20241022"],
@@ -104,6 +125,9 @@ export const claudeCodeModels = {
 		supportsReasoningEffort: false,
 		supportsReasoningBudget: false,
 		requiredReasoningBudget: false,
+		// Claude Code manages its own tools and temperature via the CLI
+		supportsNativeTools: false,
+		supportsTemperature: false,
 	},
 	"claude-3-5-haiku-20241022": {
 		...anthropicModels["claude-3-5-haiku-20241022"],
@@ -112,6 +136,9 @@ export const claudeCodeModels = {
 		supportsReasoningEffort: false,
 		supportsReasoningBudget: false,
 		requiredReasoningBudget: false,
+		// Claude Code manages its own tools and temperature via the CLI
+		supportsNativeTools: false,
+		supportsTemperature: false,
 	},
 	"claude-haiku-4-5-20251001": {
 		...anthropicModels["claude-haiku-4-5-20251001"],
@@ -120,5 +147,8 @@ export const claudeCodeModels = {
 		supportsReasoningEffort: false,
 		supportsReasoningBudget: false,
 		requiredReasoningBudget: false,
+		// Claude Code manages its own tools and temperature via the CLI
+		supportsNativeTools: false,
+		supportsTemperature: false,
 	},
 } as const satisfies Record<string, ModelInfo>

src/api/providers/claude-code.ts

@@ -6,23 +6,26 @@ import {
 	type ModelInfo,
 	getClaudeCodeModelId,
 } from "@roo-code/types"
-import { type ApiHandler } from ".."
+import { type ApiHandler, ApiHandlerCreateMessageMetadata } from ".."
 import { ApiStreamUsageChunk, type ApiStream } from "../transform/stream"
 import { runClaudeCode } from "../../integrations/claude-code/run"
 import { filterMessagesForClaudeCode } from "../../integrations/claude-code/message-filter"
-import { BaseProvider } from "./base-provider"
 import { t } from "../../i18n"
 import { ApiHandlerOptions } from "../../shared/api"
+import { countTokens } from "../../utils/countTokens"
 
-export class ClaudeCodeHandler extends BaseProvider implements ApiHandler {
+export class ClaudeCodeHandler implements ApiHandler {
 	private options: ApiHandlerOptions
 
 	constructor(options: ApiHandlerOptions) {
-		super()
 		this.options = options
 	}
 
-	override async *createMessage(systemPrompt: string, messages: Anthropic.Messages.MessageParam[]): ApiStream {
+	async *createMessage(
+		systemPrompt: string,
+		messages: Anthropic.Messages.MessageParam[],
+		_metadata?: ApiHandlerCreateMessageMetadata,
+	): ApiStream {
 		// Filter out image blocks since Claude Code doesn't support them
 		const filteredMessages = filterMessagesForClaudeCode(messages)
 
@@ -42,7 +45,7 @@ export class ClaudeCodeHandler extends BaseProvider implements ApiHandler {
 
 		// Usage is included with assistant messages,
 		// but cost is included in the result chunk
-		let usage: ApiStreamUsageChunk = {
+		const usage: ApiStreamUsageChunk = {
 			type: "usage",
 			inputTokens: 0,
 			outputTokens: 0,
@@ -121,6 +124,7 @@ export class ClaudeCodeHandler extends BaseProvider implements ApiHandler {
 					}
 				}
 
+				// Accumulate usage across streaming chunks
 				usage.inputTokens += message.usage.input_tokens
 				usage.outputTokens += message.usage.output_tokens
 				usage.cacheReadTokens = (usage.cacheReadTokens || 0) + (message.usage.cache_read_input_tokens || 0)
@@ -138,7 +142,7 @@ export class ClaudeCodeHandler extends BaseProvider implements ApiHandler {
 		}
 	}
 
-	getModel() {
+	getModel(): { id: string; info: ModelInfo } {
 		const modelId = this.options.apiModelId
 		if (modelId && modelId in claudeCodeModels) {
 			const id = modelId as ClaudeCodeModelId
@@ -165,6 +169,13 @@ export class ClaudeCodeHandler extends BaseProvider implements ApiHandler {
 		}
 	}
 
+	async countTokens(content: Anthropic.Messages.ContentBlockParam[]): Promise<number> {
+		if (content.length === 0) {
+			return 0
+		}
+		return countTokens(content, { useWorker: true })
+	}
+
 	private attemptParse(str: string) {
 		try {
 			return JSON.parse(str)