langserve
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langchain-ai
LangServe 🦜️🏓
Hi team, I'm trying to create an agent which uses a tool which fetches some info on rest api. The agent takes the tool output and present it back to...
The playground shows the blank page for ChatBedrock based chain with configurable_field for llm temperature. The playground works fine without the configurable_field. Setting the temperature via the swagger WebUI works...
bug at this line https://github.com/langchain-ai/langserve/blob/main/langserve/api_handler.py#L316 TypeError: issubclass() arg 1 must be a class when I use APIHandler with different input schema runnable. My model is ``` from pydantic import BaseModel...
If a chain has an input type containing an optional field, the Playground page fails to load (blank page), and the following error is logged in the browser console: ```...
Hi, I want to ask if it is possible to bind tools to Remote Runnable. Currently, Remote Runnables do not have any bind_tools() method, whereas other Runnables through LangChain already...
### Problem Description I'm building a backend using LangServe and FastAPI. My API endpoint encounters a 422 error when using RunnablePassthrough() or RunnableParallel, but works when I add RunnableLambda at...
## Description LangServe currently allows FastAPI versions as old as 0.90.1, which includes vulnerable versions of Starlette affected by CVE-2025-62727. ## Impact The vulnerability in Starlette could potentially affect applications...
Updates FastAPI minimum version from 0.90.1 to 0.120.2 across all dependency groups to address Starlette vulnerability CVE-2025-62727. This updates: - Main optional dependency - Dev dependencies - Examples dependencies -...
langserve serialization.py def default() super() user super in method ,not a class RuntimeError: super(): __class__ cell not found
when call api `invoke`, return ssl error: ``` INFO: 127.0.0.1:55709 - "POST /test/invoke?config_hash=%E4%BD%A0%E5%A5%BD HTTP/1.1" 500 Internal Server Error ERROR: Exception in ASGI application Traceback (most recent call last): File "/Users/zi.b.wang/Projects/python_project/langchain_demo/.venv/lib/python3.10/site-packages/httpx/_transports/default.py",...
