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Native tool calling #8921

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dc2baaf
Native tool calling
mrubens Oct 29, 2025
cc93702
Per-model config for supporting native tool calling
mrubens Oct 30, 2025
076bb0a
PR feedback
mrubens Oct 30, 2025
a840ec4
Revert spacing change
mrubens Oct 30, 2025
2749c6e
Filter tools
mrubens Oct 30, 2025
6c83b59
Fix tests
mrubens Oct 30, 2025
34c39c8
Make the tool specs dynamic based on settings
mrubens Oct 30, 2025
fc5479e
Make system prompt conditional on native tool calls
mrubens Oct 30, 2025
4f0a8ac
Trying more stuff
mrubens Oct 30, 2025
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3 changes: 3 additions & 0 deletions package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -62,5 +62,8 @@
"form-data": ">=4.0.4",
"bluebird": ">=3.7.2"
}
},
"dependencies": {
"@streamparser/json": "^0.0.22"
}
}
2 changes: 2 additions & 0 deletions packages/types/src/model.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -58,6 +58,8 @@ export const modelInfoSchema = z.object({
contextWindow: z.number(),
supportsImages: z.boolean().optional(),
supportsPromptCache: z.boolean(),
// Capability flag to indicate whether the model supports native tool calling
supportsNativeToolCalling: z.boolean().optional(),
// Capability flag to indicate whether the model supports an output verbosity parameter
supportsVerbosity: z.boolean().optional(),
supportsReasoningBudget: z.boolean().optional(),
Expand Down
11 changes: 11 additions & 0 deletions packages/types/src/providers/anthropic.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@ export const anthropicModels = {
contextWindow: 200_000, // Default 200K, extendable to 1M with beta flag 'context-1m-2025-08-07'
supportsImages: true,
supportsPromptCache: true,
supportsNativeToolCalling: true,
inputPrice: 3.0, // $3 per million input tokens (≤200K context)
outputPrice: 15.0, // $15 per million output tokens (≤200K context)
cacheWritesPrice: 3.75, // $3.75 per million tokens
Expand All @@ -32,6 +33,7 @@ export const anthropicModels = {
contextWindow: 200_000, // Default 200K, extendable to 1M with beta flag 'context-1m-2025-08-07'
supportsImages: true,
supportsPromptCache: true,
supportsNativeToolCalling: true,
inputPrice: 3.0, // $3 per million input tokens (≤200K context)
outputPrice: 15.0, // $15 per million output tokens (≤200K context)
cacheWritesPrice: 3.75, // $3.75 per million tokens
Expand All @@ -53,6 +55,7 @@ export const anthropicModels = {
contextWindow: 200_000,
supportsImages: true,
supportsPromptCache: true,
supportsNativeToolCalling: true,
inputPrice: 15.0, // $15 per million input tokens
outputPrice: 75.0, // $75 per million output tokens
cacheWritesPrice: 18.75, // $18.75 per million tokens
Expand All @@ -64,6 +67,7 @@ export const anthropicModels = {
contextWindow: 200_000,
supportsImages: true,
supportsPromptCache: true,
supportsNativeToolCalling: true,
inputPrice: 15.0, // $15 per million input tokens
outputPrice: 75.0, // $75 per million output tokens
cacheWritesPrice: 18.75, // $18.75 per million tokens
Expand All @@ -75,6 +79,7 @@ export const anthropicModels = {
contextWindow: 200_000,
supportsImages: true,
supportsPromptCache: true,
supportsNativeToolCalling: true,
inputPrice: 3.0, // $3 per million input tokens
outputPrice: 15.0, // $15 per million output tokens
cacheWritesPrice: 3.75, // $3.75 per million tokens
Expand All @@ -87,6 +92,7 @@ export const anthropicModels = {
contextWindow: 200_000,
supportsImages: true,
supportsPromptCache: true,
supportsNativeToolCalling: true,
inputPrice: 3.0, // $3 per million input tokens
outputPrice: 15.0, // $15 per million output tokens
cacheWritesPrice: 3.75, // $3.75 per million tokens
Expand All @@ -97,6 +103,7 @@ export const anthropicModels = {
contextWindow: 200_000,
supportsImages: true,
supportsPromptCache: true,
supportsNativeToolCalling: true,
inputPrice: 3.0, // $3 per million input tokens
outputPrice: 15.0, // $15 per million output tokens
cacheWritesPrice: 3.75, // $3.75 per million tokens
Expand All @@ -107,6 +114,7 @@ export const anthropicModels = {
contextWindow: 200_000,
supportsImages: false,
supportsPromptCache: true,
supportsNativeToolCalling: true,
inputPrice: 1.0,
outputPrice: 5.0,
cacheWritesPrice: 1.25,
Expand All @@ -117,6 +125,7 @@ export const anthropicModels = {
contextWindow: 200_000,
supportsImages: true,
supportsPromptCache: true,
supportsNativeToolCalling: true,
inputPrice: 15.0,
outputPrice: 75.0,
cacheWritesPrice: 18.75,
Expand All @@ -127,6 +136,7 @@ export const anthropicModels = {
contextWindow: 200_000,
supportsImages: true,
supportsPromptCache: true,
supportsNativeToolCalling: true,
inputPrice: 0.25,
outputPrice: 1.25,
cacheWritesPrice: 0.3,
Expand All @@ -137,6 +147,7 @@ export const anthropicModels = {
contextWindow: 200_000,
supportsImages: true,
supportsPromptCache: true,
supportsNativeToolCalling: true,
inputPrice: 1.0,
outputPrice: 5.0,
cacheWritesPrice: 1.25,
Expand Down
23 changes: 23 additions & 0 deletions packages/types/src/providers/openai.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@ export const openAiNativeModels = {
contextWindow: 400000,
supportsImages: true,
supportsPromptCache: true,
supportsNativeToolCalling: true,
supportsReasoningEffort: false,
inputPrice: 1.25,
outputPrice: 10.0,
Expand All @@ -23,6 +24,7 @@ export const openAiNativeModels = {
contextWindow: 400000,
supportsImages: true,
supportsPromptCache: true,
supportsNativeToolCalling: true,
supportsReasoningEffort: true,
reasoningEffort: "medium",
inputPrice: 1.25,
Expand All @@ -42,6 +44,7 @@ export const openAiNativeModels = {
contextWindow: 400000,
supportsImages: true,
supportsPromptCache: true,
supportsNativeToolCalling: true,
supportsReasoningEffort: true,
reasoningEffort: "medium",
inputPrice: 0.25,
Expand All @@ -60,6 +63,7 @@ export const openAiNativeModels = {
contextWindow: 400000,
supportsImages: true,
supportsPromptCache: true,
supportsNativeToolCalling: true,
supportsReasoningEffort: true,
reasoningEffort: "medium",
inputPrice: 0.05,
Expand All @@ -75,6 +79,7 @@ export const openAiNativeModels = {
contextWindow: 400000,
supportsImages: true,
supportsPromptCache: true,
supportsNativeToolCalling: true,
supportsReasoningEffort: true,
reasoningEffort: "medium",
inputPrice: 1.25,
Expand All @@ -89,6 +94,7 @@ export const openAiNativeModels = {
contextWindow: 1_047_576,
supportsImages: true,
supportsPromptCache: true,
supportsNativeToolCalling: true,
inputPrice: 2,
outputPrice: 8,
cacheReadsPrice: 0.5,
Expand All @@ -102,6 +108,7 @@ export const openAiNativeModels = {
contextWindow: 1_047_576,
supportsImages: true,
supportsPromptCache: true,
supportsNativeToolCalling: true,
inputPrice: 0.4,
outputPrice: 1.6,
cacheReadsPrice: 0.1,
Expand All @@ -115,6 +122,7 @@ export const openAiNativeModels = {
contextWindow: 1_047_576,
supportsImages: true,
supportsPromptCache: true,
supportsNativeToolCalling: true,
inputPrice: 0.1,
outputPrice: 0.4,
cacheReadsPrice: 0.025,
Expand All @@ -128,6 +136,7 @@ export const openAiNativeModels = {
contextWindow: 200_000,
supportsImages: true,
supportsPromptCache: true,
supportsNativeToolCalling: true,
inputPrice: 2.0,
outputPrice: 8.0,
cacheReadsPrice: 0.5,
Expand All @@ -144,6 +153,7 @@ export const openAiNativeModels = {
contextWindow: 200_000,
supportsImages: true,
supportsPromptCache: true,
supportsNativeToolCalling: true,
inputPrice: 2.0,
outputPrice: 8.0,
cacheReadsPrice: 0.5,
Expand All @@ -155,6 +165,7 @@ export const openAiNativeModels = {
contextWindow: 200_000,
supportsImages: true,
supportsPromptCache: true,
supportsNativeToolCalling: true,
inputPrice: 2.0,
outputPrice: 8.0,
cacheReadsPrice: 0.5,
Expand All @@ -166,6 +177,7 @@ export const openAiNativeModels = {
contextWindow: 200_000,
supportsImages: true,
supportsPromptCache: true,
supportsNativeToolCalling: true,
inputPrice: 1.1,
outputPrice: 4.4,
cacheReadsPrice: 0.275,
Expand All @@ -182,6 +194,7 @@ export const openAiNativeModels = {
contextWindow: 200_000,
supportsImages: true,
supportsPromptCache: true,
supportsNativeToolCalling: true,
inputPrice: 1.1,
outputPrice: 4.4,
cacheReadsPrice: 0.275,
Expand All @@ -193,6 +206,7 @@ export const openAiNativeModels = {
contextWindow: 200_000,
supportsImages: true,
supportsPromptCache: true,
supportsNativeToolCalling: true,
inputPrice: 1.1,
outputPrice: 4.4,
cacheReadsPrice: 0.275,
Expand All @@ -204,6 +218,7 @@ export const openAiNativeModels = {
contextWindow: 200_000,
supportsImages: false,
supportsPromptCache: true,
supportsNativeToolCalling: true,
inputPrice: 1.1,
outputPrice: 4.4,
cacheReadsPrice: 0.55,
Expand All @@ -216,6 +231,7 @@ export const openAiNativeModels = {
contextWindow: 200_000,
supportsImages: false,
supportsPromptCache: true,
supportsNativeToolCalling: true,
inputPrice: 1.1,
outputPrice: 4.4,
cacheReadsPrice: 0.55,
Expand All @@ -227,6 +243,7 @@ export const openAiNativeModels = {
contextWindow: 200_000,
supportsImages: false,
supportsPromptCache: true,
supportsNativeToolCalling: true,
inputPrice: 1.1,
outputPrice: 4.4,
cacheReadsPrice: 0.55,
Expand All @@ -238,6 +255,7 @@ export const openAiNativeModels = {
contextWindow: 200_000,
supportsImages: true,
supportsPromptCache: true,
supportsNativeToolCalling: true,
inputPrice: 15,
outputPrice: 60,
cacheReadsPrice: 7.5,
Expand All @@ -248,6 +266,7 @@ export const openAiNativeModels = {
contextWindow: 128_000,
supportsImages: true,
supportsPromptCache: true,
supportsNativeToolCalling: true,
inputPrice: 15,
outputPrice: 60,
cacheReadsPrice: 7.5,
Expand All @@ -258,6 +277,7 @@ export const openAiNativeModels = {
contextWindow: 128_000,
supportsImages: true,
supportsPromptCache: true,
supportsNativeToolCalling: true,
inputPrice: 1.1,
outputPrice: 4.4,
cacheReadsPrice: 0.55,
Expand All @@ -268,6 +288,7 @@ export const openAiNativeModels = {
contextWindow: 128_000,
supportsImages: true,
supportsPromptCache: true,
supportsNativeToolCalling: true,
inputPrice: 2.5,
outputPrice: 10,
cacheReadsPrice: 1.25,
Expand All @@ -281,6 +302,7 @@ export const openAiNativeModels = {
contextWindow: 128_000,
supportsImages: true,
supportsPromptCache: true,
supportsNativeToolCalling: true,
inputPrice: 0.15,
outputPrice: 0.6,
cacheReadsPrice: 0.075,
Expand All @@ -294,6 +316,7 @@ export const openAiNativeModels = {
contextWindow: 200_000,
supportsImages: false,
supportsPromptCache: false,
supportsNativeToolCalling: true,
inputPrice: 1.5,
outputPrice: 6,
cacheReadsPrice: 0,
Expand Down
14 changes: 13 additions & 1 deletion pnpm-lock.yaml
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11 changes: 11 additions & 0 deletions src/api/index.ts
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Expand Up @@ -3,6 +3,7 @@ import { Anthropic } from "@anthropic-ai/sdk"
import type { ProviderSettings, ModelInfo } from "@roo-code/types"

import { ApiStream } from "./transform/stream"
import type { ToolSpec } from "./transform/tool-converters"

import {
GlamaHandler,
Expand Down Expand Up @@ -73,6 +74,7 @@ export interface ApiHandler {
systemPrompt: string,
messages: Anthropic.Messages.MessageParam[],
metadata?: ApiHandlerCreateMessageMetadata,
tools?: ToolSpec[],
): ApiStream

getModel(): { id: string; info: ModelInfo }
Expand All @@ -86,6 +88,15 @@ export interface ApiHandler {
* @returns A promise resolving to the token count
*/
countTokens(content: Array<Anthropic.Messages.ContentBlockParam>): Promise<number>

/**
* Returns whether this provider supports native tool calling
* Providers that support native tools can receive tool specifications and
* handle them in their native format instead of using XML-based tools
*
* @returns true if the provider supports native tool calling, false otherwise
*/
supportsNativeTools(): boolean
}

export function buildApiHandler(configuration: ProviderSettings): ApiHandler {
Expand Down
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