I had set recursion_limit=100, but got error “Recursion limit of 25 reached “ agent = create_agent( model=model, tools=[generate_podcast_audio, list_assets, text2image, batch_text2image, asr_transcribe], system_prompt=system_prompt, middleware=[FrontendToolMiddlewar…

I set the recursion_limit to 2 in the copilokit LangGraphAgent and immediately triggered the recursion limit. Maybe my guess is right new LangGraphAgent({ deploymentUrl: "http://localhost:2024", // make sure to replace with your real deployment url langsmithApiKey: process.env.LANGSMITH_API…

how the agent is being invoked? Most problebly the value is being overwritten during invocation time

run the agent server : langgraph dev copilotkit langgraph SDK

Have you checked whether copilot SDK overrides it?

I did a little experiment: Setting the recursion_limit to 2 and having a conversation in Langgraph Studio triggers the recursion_limit immediately, while the conversation doesn’t trigger recursion_limit in CopilotKit. Judging from this phenomenon, there may be a problem with copilotkit, but I don’t…

Yep, this is my finding too :slight_smile: Great catch @itzhoujun :flexed_biceps: export class LangGraphAgent extends AGUILangGraphAgent { // ... constructor(config: LangGraphAgentConfig) { super(config); } // ... } interface LangGraphAgentConfig extends AgentConfig { client?: Cli…

I had set recursion_limit=100, but got error “Recursion limit of 25 reached “

LangChain Academy

itzhoujun December 20, 2025, 3:26pm 5

I searched for “recursion_limit” in the copilot source code and couldn’t find anywhere to override it.

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I had set recursion_limit=100, but got error “Recursion limit of 25 reached “

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