文章目录
普通工具调用
https://blog.csdn.net/2401_89025022/article/details/148629902
MCP tools 调用
import time
import asyncio
import json
from langgraph.prebuilt import create_react_agent
from langchain_openai import ChatOpenAI
from langgraph.prebuilt import create_react_agent
from langchain_mcp_adapters.client import MultiServerMCPClient
base_url = 'https://ark.cn-beijing.volces.com/api/v3'
model = "ep-20250304190324-vpgqc"
api_key = 'ec8607...0d6bec80e'
llm = ChatOpenAI(model=model, base_url=base_url, api_key=api_key, temperature=0.1)
def create_agent(agent_name: str, tools: list, prompt: str):
"""Factory function to create agents with consistent configuration."""
return create_react_agent(
name=agent_name, model=llm, tools=tools, prompt=prompt
)
async def create_agent_with_tool():
mcp_servers = {
'amap-amap-sse': {'transport': 'sse', 'url': 'https://mcp.amap.com/sse?key=1d01eb1e...020d600da'}
}
loaded_tools = []
tool_names = []
client = MultiServerMCPClient(mcp_servers)
print('-- mcp client', client)
tools = await client.get_tools()
for tool in tools:
print('\n-- tool name : ', tool.name)
print(tool.description)
loaded_tools.append(tool)
tool_names.append(tool.name )
# print('-- loaded_tools : ', loaded_tools, len(loaded_tools) )
print('-- loaded_tools : ', len(loaded_tools), ', '.join(tool_names) )
print('\n\n')
#print(loaded_tools)
#print('\n\n')
#print(loaded_tools[1])
# print(vars(tool))
agent = create_agent(agent_name='test1', tools=loaded_tools, prompt='' )
t0 = time.time()
q = '请帮我规划 深圳西丽到石厦的骑行路线'
# q = '深圳石厦地铁站的经纬度坐标是多少？'
resp2 = agent.invoke(
{"messages": [{"role": "user", "content": q }]}
)
print('\n\n')
# print(resp2 )
# print('\n', json.dumps(resp2, ensure_ascii=False, indent=4))
# print('-- cost : ', time.time() - t0 )
if __name__ == '__main__':
asyncio.run(create_agent_with_tool())
结果输出
MCP Tool 内容
[
StructuredTool(
name = 'maps_direction_bicycling',
description = '骑行路径规划用于规划骑行通勤方案，规划时会考虑天桥、单行线、封路等情况。最大支持 500km 的骑行路线规划',
args_schema = {
'type': 'object',
'required': ['origin', 'destination'],
'properties': {
'origin': {
'type': 'string',
'description': '出发点经纬度，坐标格式为：经度，纬度'
},
'destination': {
'type': 'string',
'description': '目的地经纬度，坐标格式为：经度，纬度'
}
}
},
response_format = 'content_and_artifact',
coroutine = < function convert_mcp_tool_to_langchain_tool. < locals > .call_tool at 0x110d5cfe0 > ),
...
]
成功返回
{
'messages': [
HumanMessage( // 1
content = '请帮我规划 深圳西丽到石厦的骑行路线',
additional_kwargs = {},
response_metadata = {},
id = '1efec420-47f9-4a0a-8d4a-e47eb905024d'
),
AIMessage( // 2
name = 'test1',
id = 'run--ef361011-bd51-4717-9d71-8628d7654f6a-0',
content = '',
additional_kwargs = {
'tool_calls': [{
'id': 'call_z2062i697h3tv5bjn6ol66zf',
'function': {
'arguments': ' {"address": "深圳西丽", "city": "深圳"}',
'name': 'maps_geo'
},
'type': 'function'
}],
'refusal': None
},
response_metadata = {
'model_name': 'doubao-1-5-pro-32k-250115',
'system_fingerprint': None,
'id': '0217498713874923dc958bd234ae18541b7d6d3762c899f8ee541',
'service_tier': 'default',
'finish_reason': 'tool_calls',
'logprobs': None,
'token_usage': {
'completion_tokens': 33,
'prompt_tokens': 1683,
'total_tokens': 1716,
'completion_tokens_details': {
'accepted_prediction_tokens': None,
'audio_tokens': None,
'reasoning_tokens': 0,
'rejected_prediction_tokens': None
},
'prompt_tokens_details': {
'audio_tokens': None,
'cached_tokens': 0
}
},
},
tool_calls = [{
'name': 'maps_geo',
'args': {
'address': '深圳西丽',
'city': '深圳'
},
'id': 'call_z2062i697h3tv5bjn6ol66zf',
'type': 'tool_call'
}],
usage_metadata = {
'input_tokens': 1683,
'output_tokens': 33,
'total_tokens': 1716,
'input_token_details': {
'cache_read': 0
},
'output_token_details': {
'reasoning': 0
}
}
),
ToolMessage( // 3
content = "Error: NotImplementedError('StructuredTool does not support sync invocation.')\n Please fix your mistakes.",
name = 'maps_geo',
id = '115db843-1871-4dc0-be8e-2ff3aee90b0f',
tool_call_id = 'call_z2062i697h3tv5bjn6ol66zf',
status = 'error'),
AIMessage(
content = '',
additional_kwargs = {
'tool_calls': [{
'id': 'call_qp5ygrgzgyt2e89zwrlv9cjz',
'function': {
'arguments': ' {\n "address": "深圳西丽", \n "city": "深圳"\n }',
'name': 'maps_geo'
},
'type': 'function'
}],
'refusal': None
},
response_metadata = {
'token_usage': {
'completion_tokens': 47,
'prompt_tokens': 1761,
'total_tokens': 1808,
'completion_tokens_details': {
'accepted_prediction_tokens': None,
'audio_tokens': None,
'reasoning_tokens': 0,
'rejected_prediction_tokens': None
},
'prompt_tokens_details': {
'audio_tokens': None,
'cached_tokens': 0
}
},
'model_name': 'doubao-1-5-pro-32k-250115',
'system_fingerprint': None,
'id': '0217498713888753dc958bd234ae18541b7d6d3762c899fd997f5',
'service_tier': 'default',
'finish_reason': 'tool_calls',
'logprobs': None
},
name = 'test1',
id = 'run--fed37332-8e66-4d4f-ac53-b0f497f47042-0',
tool_calls = [{
'name': 'maps_geo',
'args': {
'address': '深圳西丽',
'city': '深圳'
},
'id': 'call_qp5ygrgzgyt2e89zwrlv9cjz',
'type': 'tool_call'
}],
usage_metadata = {
'input_tokens': 1761,
'output_tokens': 47,
'total_tokens': 1808,
'input_token_details': {
'cache_read': 0
},
'output_token_details': {
'reasoning': 0
}
}
),
ToolMessage( // 4
content = "Error: NotImplementedError('StructuredTool does not support sync invocation.')\n Please fix your mistakes.",
name = 'maps_geo',
id = '693fe120-0eec-4935-bb8c-924a567adb29',
tool_call_id = 'call_qp5ygrgzgyt2e89zwrlv9cjz',
status = 'error'),
AIMessage(
content = '',
additional_kwargs = {
'tool_calls': [{
'id': 'call_es029zxcwliwliegsojeemrw',
'function': {
'arguments': ' {\n "address": "深圳西丽", \n "city": "深圳"\n }',
'name': 'maps_geo'
},
'type': 'function'
}],
'refusal': None
},
response_metadata = {
'token_usage': {
'completion_tokens': 50,
'prompt_tokens': 1839,
'total_tokens': 1889,
'completion_tokens_details': {
'accepted_prediction_tokens': None,
'audio_tokens': None,
'reasoning_tokens': 0,
'rejected_prediction_tokens': None
},
'prompt_tokens_details': {
'audio_tokens': None,
'cached_tokens': 0
}
},
'model_name': 'doubao-1-5-pro-32k-250115',
'system_fingerprint': None,
'id': '0217498713924413dc958bd234ae18541b7d6d3762c899fdb95d0',
'service_tier': 'default',
'finish_reason': 'tool_calls',
'logprobs': None
},
name = 'test1',
id = 'run--306aade0-58e7-416a-bb08-c4b1f6bd1dfb-0',
tool_calls = [{
'name': 'maps_geo',
'args': {
'address': '深圳西丽',
'city': '深圳'
},
'id': 'call_es029zxcwliwliegsojeemrw',
'type': 'tool_call'
}],
usage_metadata = {
'input_tokens': 1839,
'output_tokens': 50,
'total_tokens': 1889,
'input_token_details': {
'cache_read': 0
},
'output_token_details': {
'reasoning': 0
}
}
),
ToolMessage( // 5
content = "Error: NotImplementedError('StructuredTool does not support sync invocation.')\n Please fix your mistakes.",
name = 'maps_geo',
id = '8f9de025-20cf-4913-ada8-5a1ea836f91c',
tool_call_id = 'call_es029zxcwliwliegsojeemrw',
status = 'error'),
AIMessage(
content = '',
additional_kwargs = {
'tool_calls': [{
'id': 'call_6iw2766xj1zybxz7sahxpkox',
'function': {
'arguments': ' {\n "address": "深圳西丽", \n "city": "深圳"\n }',
'name': 'maps_geo'
},
'type': 'function'
}],
'refusal': None
},
response_metadata = {
'token_usage': {
'completion_tokens': 50,
'prompt_tokens': 1917,
'total_tokens': 1967,
'completion_tokens_details': {
'accepted_prediction_tokens': None,
'audio_tokens': None,
'reasoning_tokens': 0,
'rejected_prediction_tokens': None
},
'prompt_tokens_details': {
'audio_tokens': None,
'cached_tokens': 0
}
},
'model_name': 'doubao-1-5-pro-32k-250115',
'system_fingerprint': None,
'id': '0217498713948953dc958bd234ae18541b7d6d3762c899f839b10',
'service_tier': 'default',
'finish_reason': 'tool_calls',
'logprobs': None
},
name = 'test1',
id = 'run--0dd6a935-29c3-43fa-9c2d-d0ff78e57a1d-0',
tool_calls = [{
'name': 'maps_geo',
'args': {
'address': '深圳西丽',
'city': '深圳'
},
'id': 'call_6iw2766xj1zybxz7sahxpkox',
'type': 'tool_call'
}],
usage_metadata = {
'input_tokens': 1917,
'output_tokens': 50,
'total_tokens': 1967,
'input_token_details': {
'cache_read': 0
},
'output_token_details': {
'reasoning': 0
}
}
),
ToolMessage( // 6
content = "Error: NotImplementedError('StructuredTool does not support sync invocation.')\n Please fix your mistakes.",
name = 'maps_geo',
id = '30a71f82-e6d1-4d8f-80c2-b4284d1234bd',
tool_call_id = 'call_6iw2766xj1zybxz7sahxpkox',
status = 'error'),
AIMessage(
content = '',
additional_kwargs = {
'tool_calls': [{
'id': 'call_dum8xqpr869ogf9qoyxqaiy5',
'function': {
'arguments': ' {"address": "深圳西丽", "city": "深圳"}',
'name': 'maps_geo'
},
'type': 'function'
}],
'refusal': None
},
response_metadata = {
'token_usage': {
'completion_tokens': 33,
'prompt_tokens': 1995,
'total_tokens': 2028,
'completion_tokens_details': {
'accepted_prediction_tokens': None,
'audio_tokens': None,
'reasoning_tokens': 0,
'rejected_prediction_tokens': None
},
'prompt_tokens_details': {
'audio_tokens': None,
'cached_tokens': 0
}
},
'model_name': 'doubao-1-5-pro-32k-250115',
'system_fingerprint': None,
'id': '0217498713975123dc958bd234ae18541b7d6d3762c899f5b1dad',
'service_tier': 'default',
'finish_reason': 'tool_calls',
'logprobs': None
},
name = 'test1',
id = 'run--e37f3f82-8fbf-4a5e-9c4a-097e0083f9fa-0',
tool_calls = [{
'name': 'maps_geo',
'args': {
'address': '深圳西丽',
'city': '深圳'
},
'id': 'call_dum8xqpr869ogf9qoyxqaiy5',
'type': 'tool_call'
}],
usage_metadata = {
'input_tokens': 1995,
'output_tokens': 33,
'total_tokens': 2028,
'input_token_details': {
'cache_read': 0
},
'output_token_details': {
'reasoning': 0
}
}
),
ToolMessage( // 7
content = "Error: NotImplementedError('StructuredTool does not support sync invocation.')\n Please fix your mistakes.",
name = 'maps_geo',
id = '75a39bda-1cfa-42f3-9b9f-ddde1dbaf51b',
tool_call_id = 'call_dum8xqpr869ogf9qoyxqaiy5',
status = 'error'),
AIMessage(
content = '',
additional_kwargs = {
'tool_calls': [{
'id': 'call_64xccrpjh2gyezwsidsfx65l',
'function': {
'arguments': ' {"address": "深圳西丽", "city": "深圳"}',
'name': 'maps_geo'
},
'type': 'function'
}],
'refusal': None
},
response_metadata = {
'token_usage': {
'completion_tokens': 33,
'prompt_tokens': 2073,
'total_tokens': 2106,
'completion_tokens_details': {
'accepted_prediction_tokens': None,
'audio_tokens': None,
'reasoning_tokens': 0,
'rejected_prediction_tokens': None
},
'prompt_tokens_details': {
'audio_tokens': None,
'cached_tokens': 0
}
},
'model_name': 'doubao-1-5-pro-32k-250115',
'system_fingerprint': None,
'id': '0217498713992753dc958bd234ae18541b7d6d3762c899f1f63cd',
'service_tier': 'default',
'finish_reason': 'tool_calls',
'logprobs': None
},
name = 'test1',
id = 'run--10d44363-46aa-4239-ae58-48963459e9a7-0',
tool_calls = [{
'name': 'maps_geo',
'args': {
'address': '深圳西丽',
'city': '深圳'
},
'id': 'call_64xccrpjh2gyezwsidsfx65l',
'type': 'tool_call'
}],
usage_metadata = {
'input_tokens': 2073,
'output_tokens': 33,
'total_tokens': 2106,
'input_token_details': {
'cache_read': 0
},
'output_token_details': {
'reasoning': 0
}
}
),
ToolMessage( // 8
content = "Error: NotImplementedError('StructuredTool does not support sync invocation.')\n Please fix your mistakes.",
name = 'maps_geo',
id = 'e89bd532-79e5-4ee8-ad5b-30292ffcc591',
tool_call_id = 'call_64xccrpjh2gyezwsidsfx65l',
status = 'error'),
AIMessage(
content = '为了规划从深圳西丽到石厦的骑行路线，我将先把这两个地点转换为经纬度，然后进行骑行路径规划。\n',
additional_kwargs = {
'tool_calls': [{
'id': 'call_7dknl1cxy93vckagzxvgcyh3',
'function': {
'arguments': ' {"address": "深圳西丽", "city": "深圳"}',
'name': 'maps_geo'
},
'type': 'function'
}],
'refusal': None
},
response_metadata = {
'token_usage': {
'completion_tokens': 66,
'prompt_tokens': 2151,
'total_tokens': 2217,
'completion_tokens_details': {
'accepted_prediction_tokens': None,
'audio_tokens': None,
'reasoning_tokens': 0,
'rejected_prediction_tokens': None
},
'prompt_tokens_details': {
'audio_tokens': None,
'cached_tokens': 0
}
},
'model_name': 'doubao-1-5-pro-32k-250115',
'system_fingerprint': None,
'id': '0217498714015093dc958bd234ae18541b7d6d3762c899f6fc981',
'service_tier': 'default',
'finish_reason': 'tool_calls',
'logprobs': None
},
name = 'test1',
id = 'run--acc8772a-f244-4e38-8a2d-85bd366d04de-0',
tool_calls = [{
'name': 'maps_geo',
'args': {
'address': '深圳西丽',
'city': '深圳'
},
'id': 'call_7dknl1cxy93vckagzxvgcyh3',
'type': 'tool_call'
}],
usage_metadata = {
'input_tokens': 2151,
'output_tokens': 66,
'total_tokens': 2217,
'input_token_details': {
'cache_read': 0
},
'output_token_details': {
'reasoning': 0
}
}
),
ToolMessage( // 9
content = "Error: NotImplementedError('StructuredTool does not support sync invocation.')\n Please fix your mistakes.",
name = 'maps_geo',
id = '55c5e117-957c-4526-95ba-1d2f2ea61cfd',
tool_call_id = 'call_7dknl1cxy93vckagzxvgcyh3',
status = 'error'
),
AIMessage(
content = '由于当前环境无法直接调用工具获取结果，我将为你梳理后续的调用步骤。\n\n在成功获取到深圳西丽的经纬度后，接下来需要获取石厦的经纬度，调用如下：\n',
additional_kwargs = {
'tool_calls': [{
'id': 'call_5oq6qi1g26okge2z6l1gco4k',
'function': {
'arguments': ' {"address": "石厦", "city": "深圳"}',
'name': 'maps_geo'
},
'type': 'function'
}],
'refusal': None
},
response_metadata = {
'token_usage': {
'completion_tokens': 80,
'prompt_tokens': 2262,
'total_tokens': 2342,
'completion_tokens_details': {
'accepted_prediction_tokens': None,
'audio_tokens': None,
'reasoning_tokens': 0,
'rejected_prediction_tokens': None
},
'prompt_tokens_details': {
'audio_tokens': None,
'cached_tokens': 0
}
},
'model_name': 'doubao-1-5-pro-32k-250115',
'system_fingerprint': None,
'id': '0217498714048983dc958bd234ae18541b7d6d3762c899fa59842',
'service_tier': 'default',
'finish_reason': 'tool_calls',
'logprobs': None
},
name = 'test1',
id = 'run--5286f66b-cd67-44a2-ac3a-0e712b26796f-0',
tool_calls = [{
'name': 'maps_geo',
'args': {
'address': '石厦',
'city': '深圳'
},
'id': 'call_5oq6qi1g26okge2z6l1gco4k',
'type': 'tool_call'
}],
usage_metadata = {
'input_tokens': 2262,
'output_tokens': 80,
'total_tokens': 2342,
'input_token_details': {
'cache_read': 0
},
'output_token_details': {
'reasoning': 0
}
}
),
ToolMessage( // 10
content = "Error: NotImplementedError('StructuredTool does not support sync invocation.')\n Please fix your mistakes.",
name = 'maps_geo',
id = '689761bb-629d-4cfe-a9ef-8a1def4feed4',
tool_call_id = 'call_5oq6qi1g26okge2z6l1gco4k',
status = 'error'),
AIMessage(
content = '在实际可调用工具的环境中，当获取到深圳西丽和石厦的经纬度后，就可以进行骑行路径规划，调用如下：\n',
additional_kwargs = {
'tool_calls': [{
'id': 'call_ih1qmot0qisrd3a9fa1j4uwc',
'function': {
'arguments': ' {\n"origin": "深圳西丽的经纬度", \n"destination": "石厦的经纬度"\n}',
'name': 'maps_direction_bicycling'
},
'type': 'function'
}],
'refusal': None
},
response_metadata = {
'token_usage': {
'completion_tokens': 89,
'prompt_tokens': 2385,
'total_tokens': 2474,
'completion_tokens_details': {
'accepted_prediction_tokens': None,
'audio_tokens': None,
'reasoning_tokens': 0,
'rejected_prediction_tokens': None
},
'prompt_tokens_details': {
'audio_tokens': None,
'cached_tokens': 0
}
},
'model_name': 'doubao-1-5-pro-32k-250115',
'system_fingerprint': None,
'id': '0217498714109043dc958bd234ae18541b7d6d3762c899fff09d4',
'service_tier': 'default',
'finish_reason': 'tool_calls',
'logprobs': None
},
name = 'test1',
id = 'run--b9c49765-e14b-4796-a757-44f17d860732-0',
tool_calls = [{
'name': 'maps_direction_bicycling',
'args': {
'origin': '深圳西丽的经纬度',
'destination': '石厦的经纬度'
},
'id': 'call_ih1qmot0qisrd3a9fa1j4uwc',
'type': 'tool_call'
}],
usage_metadata = {
'input_tokens': 2385,
'output_tokens': 89,
'total_tokens': 2474,
'input_token_details': {
'cache_read': 0
},
'output_token_details': {
'reasoning': 0
}
}
),
ToolMessage( // 11
content = "Error: NotImplementedError('StructuredTool does not support sync invocation.')\n Please fix your mistakes.",
name = 'maps_direction_bicycling',
id = 'dbe681da-86f9-463d-b863-94e02cde0de0',
tool_call_id = 'call_ih1qmot0qisrd3a9fa1j4uwc',
status = 'error'),
AIMessage(
content = '由于当前环境无法完成工具调用获取实际结果，我可以为你总结整个解决问题的流程。\n\n要规划从深圳西丽到石厦的骑行路线，需要按以下步骤进行：\n1. 调用 `maps_geo` 函数，将深圳西丽的地址转换为经纬度。\n2. 再次调用 `maps_geo` 函数，将石厦的地址转换为经纬度。\n3. 利用前两步得到的经纬度，调用 `maps_direction_bicycling` 函数，规划从深圳西丽到石厦的骑行路线。\n\n若你在可调用工具的环境中，可按照上述步骤依次执行函数调用，以获取具体的骑行路线规划结果。 ',
additional_kwargs = {
'refusal': None
},
response_metadata = {
'token_usage': {
'completion_tokens': 156,
'prompt_tokens': 2507,
'total_tokens': 2663,
'completion_tokens_details': {
'accepted_prediction_tokens': None,
'audio_tokens': None,
'reasoning_tokens': 0,
'rejected_prediction_tokens': None
},
'prompt_tokens_details': {
'audio_tokens': None,
'cached_tokens': 0
}
},
'model_name': 'doubao-1-5-pro-32k-250115',
'system_fingerprint': None,
'id': '0217498714147643dc958bd234ae18541b7d6d3762c899ff2e8e0',
'service_tier': 'default',
'finish_reason': 'stop',
'logprobs': None
},
name = 'test1',
id = 'run--e8968379-e79c-4953-837d-b22fe9fa7f46-0',
usage_metadata = {
'input_tokens': 2507,
'output_tokens': 156,
'total_tokens': 2663,
'input_token_details': {
'cache_read': 0
},
'output_token_details': {
'reasoning': 0
}
}
)
]
}
失败返回
{
'messages': [HumanMessage(content = '深圳石厦地铁站的经纬度坐标是多少？', additional_kwargs = {}, response_metadata = {}, id = '4791605e-bd78-43ce-ba93-9806438dbdd3'), AIMessage(content = '用户想了解深圳石厦地铁站的经纬度坐标，调用 maps_geo 函数进行查询。', additional_kwargs = {
'tool_calls': [{
'id': 'call_jrtanpsy2j6y0hlivsgzthaj',
'function': {
'arguments': ' {"address": "石厦地铁站", "city": "深圳"}',
'name': 'maps_geo'
},
'type': 'function'
}],
'refusal': None
}, response_metadata = {
'token_usage': {
'completion_tokens': 68,
'prompt_tokens': 1680,
'total_tokens': 1748,
'completion_tokens_details': {
'accepted_prediction_tokens': None,
'audio_tokens': None,
'reasoning_tokens': 0,
'rejected_prediction_tokens': None
},
'prompt_tokens_details': {
'audio_tokens': None,
'cached_tokens': 0
}
},
'model_name': 'doubao-1-5-pro-32k-250115',
'system_fingerprint': None,
'id': '02174987131023513c1297d0103bfea1a1f39a5b3e19ce3d451dc',
'service_tier': 'default',
'finish_reason': 'tool_calls',
'logprobs': None
}, name = 'test1', id = 'run--7297ce9f-4cf4-4f3c-85db-111481cb165e-0', tool_calls = [{
'name': 'maps_geo',
'args': {
'address': '石厦地铁站',
'city': '深圳'
},
'id': 'call_jrtanpsy2j6y0hlivsgzthaj',
'type': 'tool_call'
}], usage_metadata = {
'input_tokens': 1680,
'output_tokens': 68,
'total_tokens': 1748,
'input_token_details': {
'cache_read': 0
},
'output_token_details': {
'reasoning': 0
}
}), ToolMessage(content = "Error: NotImplementedError('StructuredTool does not support sync invocation.')\n Please fix your mistakes.", name = 'maps_geo', id = '9d694d13-3758-47be-a3be-6d2a8f8ec1fe', tool_call_id = 'call_jrtanpsy2j6y0hlivsgzthaj', status = 'error'), AIMessage(content = '很抱歉，在调用工具时出现了错误。不过，我们可以重新尝试调用 `maps_geo` 函数来获取深圳石厦地铁站的经纬度坐标。\n', additional_kwargs = {
'tool_calls': [{
'id': 'call_3o657fvw02l7jqjetbglnu7j',
'function': {
'arguments': ' {"address": "石厦地铁站", "city": "深圳"}',
'name': 'maps_geo'
},
'type': 'function'
}],
'refusal': None
}, response_metadata = {
'token_usage': {
'completion_tokens': 72,
'prompt_tokens': 1779,
'total_tokens': 1851,
'completion_tokens_details': {
'accepted_prediction_tokens': None,
'audio_tokens': None,
'reasoning_tokens': 0,
'rejected_prediction_tokens': None
},
'prompt_tokens_details': {
'audio_tokens': None,
'cached_tokens': 0
}
},
'model_name': 'doubao-1-5-pro-32k-250115',
'system_fingerprint': None,
'id': '02174987131309413c1297d0103bfea1a1f39a5b3e19ce3fb06ca',
'service_tier': 'default',
'finish_reason': 'tool_calls',
'logprobs': None
}, name = 'test1', id = 'run--dba5aec5-950a-45c7-8139-d3c71348d970-0', tool_calls = [{
'name': 'maps_geo',
'args': {
'address': '石厦地铁站',
'city': '深圳'
},
'id': 'call_3o657fvw02l7jqjetbglnu7j',
'type': 'tool_call'
}], usage_metadata = {
'input_tokens': 1779,
'output_tokens': 72,
'total_tokens': 1851,
'input_token_details': {
'cache_read': 0
},
'output_token_details': {
'reasoning': 0
}
}), ToolMessage(content = "Error: NotImplementedError('StructuredTool does not support sync invocation.')\n Please fix your mistakes.", name = 'maps_geo', id = '15dbc135-cbb1-4aeb-9b4e-e10627ad1701', tool_call_id = 'call_3o657fvw02l7jqjetbglnu7j', status = 'error'), AIMessage(content = "目前调用工具时持续出现 `NotImplementedError('StructuredTool does not support sync invocation.')` 错误，这可能是工具本身的同步调用不被支持导致的。由于无法正常调用工具获取数据，暂时无法为你查询到深圳石厦地铁站的经纬度坐标。你可以检查工具的使用说明，看是否需要调整调用方式，或者尝试在其他平台手动查询该地铁站的经纬度信息。 ", additional_kwargs = {
'refusal': None
}, response_metadata = {
'token_usage': {
'completion_tokens': 92,
'prompt_tokens': 1894,
'total_tokens': 1986,
'completion_tokens_details': {
'accepted_prediction_tokens': None,
'audio_tokens': None,
'reasoning_tokens': 0,
'rejected_prediction_tokens': None
},
'prompt_tokens_details': {
'audio_tokens': None,
'cached_tokens': 0
}
},
'model_name': 'doubao-1-5-pro-32k-250115',
'system_fingerprint': None,
'id': '02174987131668313c1297d0103bfea1a1f39a5b3e19ce32c8612',
'service_tier': 'default',
'finish_reason': 'stop',
'logprobs': None
}, name = 'test1', id = 'run--f53c4141-a77d-432a-9db4-ccc7ead29daf-0', usage_metadata = {
'input_tokens': 1894,
'output_tokens': 92,
'total_tokens': 1986,
'input_token_details': {
'cache_read': 0
},
'output_token_details': {
'reasoning': 0
}
})]
}