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docs: add example gpt researcher integration#2034

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gpt-researcher-integration
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docs: add example gpt researcher integration#2034
xjacka wants to merge 2 commits intomainfrom
gpt-researcher-integration

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@xjacka xjacka commented Feb 6, 2026

Summary

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Documentation

  • No Docs Needed:

If this PR adds new feature or changes existing. Make sure documentation is adjusted accordingly. If the docs is not needed, please explain why.

Signed-off-by: Lukáš Janeček <xjacka@gmail.com>
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Summary of Changes

Hello @xjacka, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request introduces a new documentation example that illustrates the process of integrating a GPT-Researcher agent, developed using LangGraph, into the Agent Stack. The primary goal is to provide clear instructions for developers to connect external agents with the Agent Stack ecosystem, showcasing how to utilize the agentstack-sdk for seamless interoperability, including LLM service and trajectory tracking capabilities.

Highlights

  • New Documentation Page: A new documentation page has been added, providing a step-by-step guide for integrating a GPT-Researcher agent (built with LangGraph) into the Agent Stack.
  • Agent Integration Example: The example demonstrates how to adapt an existing GPT-Researcher agent to use the agentstack-sdk for agent registration, running, and leveraging Agent Stack's LLM and Trajectory extensions.
  • Documentation Structure Update: The docs.json file has been updated to include the new integration guide under the 'Example Integrations' section, making it discoverable within the documentation.

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Changelog
  • docs/development/example-integrations/langgraph-agent.md
    • Added a new Markdown file detailing the integration of a GPT-Researcher agent built with LangGraph.
    • Includes instructions for setting up the GPT-Researcher repository, adding agentstack-sdk as a dependency, and modifying the agent's main.py to use agentstack_sdk.server.Server.
    • Provides code snippets for integrating Agent Stack's LLM service extension and trajectory tracking capabilities into the agent.
  • docs/docs.json
    • Modified the docs.json file to incorporate the new langgraph-agent.md page into the documentation navigation.
    • The new page is listed under a new 'Example Integrations' group within the 'development' section.
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  • No human activity (comments, reviews) has been recorded on this pull request yet.
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Code Review

This pull request adds a new documentation page with an example of integrating a GPT-Researcher agent with Agent Stack. The documentation is a good addition, but it has several issues that would prevent a user from successfully following the instructions. I've identified typos in commands and filenames, multiple issues in the Python code snippets (including missing imports, use of undefined functions, and incorrect indentation), and a misleading title for the document. My review provides specific feedback and suggestions to fix these problems and make the tutorial runnable and clear for users.

Signed-off-by: Lukáš Janeček <xjacka@gmail.com>
with the following:

```python
# type: ignore
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are these # type: ignore needed for the tutorial?

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Yes, because the code is incomplete but it's being reviewed.

@server.agent(
name="GPT Researcher",
)
async def my_wrapped_agent(
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my_agentstack_gpt_researcher

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We use human-readable names.

server = Server()

@server.agent(
name="GPT Researcher",
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  • what about non-text inputs/outputs?
  • what about adding some descriptions etc?

Comment on lines +121 to +125
os.environ["OPENAI_API_KEY"] = llm_config.api_key
os.environ["OPENAI_API_BASE"] = llm_config.api_base
os.environ["FAST_LLM"] = model
os.environ["SMART_LLM"] = model
os.environ["STRATEGIC_LLM"] = model
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It would be better to leverage ENVs instead of LLM Fullfilment... not sure if this is even compatible with the GPT Researcher

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Is there any way to set the model class from LangChain directly?

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