Issues

• [Feature Proposal]: Ingestion Gatekeeper Middleware for Token Bloat Reduction

  langchain-ai/open_deep_research#296 · Filter by author vishal-raaj-dnd opened on Jul 26, 2026
  1

• Fullfdbf501c79d1069539f8cd110fcbfa54bcc6d15c

  langchain-ai/open_deep_research#290 · Filter by author Ranageeking222 opened on Jul 16, 2026

• [BUG] legacy/multi_agent.py can treat partial section completion as full research completion

  langchain-ai/open_deep_research#284 · Filter by author bossjoker1 opened on Jun 25, 2026
  2

• [BUG] supervisor_tools treats any child ConductResearch exception as successful research completion

  langchain-ai/open_deep_research#283 · Filter by author bossjoker1 opened on Jun 23, 2026

• cycle_detection: human_feedback ↔ generate_report_plan revision loop has no explicit max_revisions

  langchain-ai/open_deep_research#269 · Filter by author hatyibei opened on May 9, 2026
  4

• [bug]: two broken links in README.md

  langchain-ai/open_deep_research#268 · Filter by author tzzym opened on May 1, 2026
  1

• [bug]: Error when configure

  langchain-ai/open_deep_research#267 · Filter by author tzzym opened on May 1, 2026

• Bug: compress_research removes recent messages instead of older ones on token limit

  langchain-ai/open_deep_research#252 · Filter by author ZG-666666 opened on Mar 9, 2026

• Unclear how to customize search provider

  langchain-ai/open_deep_research#250 · Filter by author openSourcerer9000 opened on Mar 1, 2026

• Evaluating Custom Reports with run_evaluate.py

  langchain-ai/open_deep_research#234 · Filter by author guijuzhejiang opened on Jan 23, 2026

• Support for Customizable Report Template Structure

  langchain-ai/open_deep_research#233 · Filter by author guijuzhejiang opened on Jan 23, 2026

• Inconsistency between Output Format and Citation Rules for the Sources section in compress_research_system_prompt

  langchain-ai/open_deep_research#232 · Filter by author youngandbin opened on Jan 22, 2026

• Question Regarding Code Update with LangChain 1.2 and New LangGraph Version

  langchain-ai/open_deep_research#231 · Filter by author guijuzhejiang opened on Jan 20, 2026

• Please add repo description and topics

  langchain-ai/open_deep_research#227 · Filter by author dandv opened on Nov 29, 2025

• Why can't I see the model generate multiple calls for conduct research simultaneously？

  langchain-ai/open_deep_research#226 · Filter by author WeiHaocheng opened on Nov 26, 2025

• LangGraph deprecation warnings - StateGraph API parameters need updating

  langchain-ai/open_deep_research#225 · Filter by author suedegambit opened on Nov 23, 2025

• Add support for Open Router or other alternative OpenAI API Endpoints

  langchain-ai/open_deep_research#221 · Filter by author diego-s opened on Nov 18, 2025

• Compress Research fails with "Error synthesizing research report: Maximum retries exceeded"

  langchain-ai/open_deep_research#218 · Filter by author dbalabka opened on Nov 13, 2025

• Bug: Incorrect CORRECTNESS_PROMPT — missing format placeholders (user_question, report, answer)

  langchain-ai/open_deep_research#217 · Filter by author n-tateiwa opened on Nov 13, 2025
  2

• python packages version conflict

  langchain-ai/open_deep_research#216 · Filter by author 472027909 opened on Nov 11, 2025

• How can I call the API of a Python package that I downloaded via pip?

  langchain-ai/open_deep_research#214 · Filter by author sssjjjrrr6435 opened on Oct 22, 2025

• A proper way to set MCP_CONFIG

  langchain-ai/open_deep_research#213 · Filter by author omdv opened on Oct 16, 2025
  2

• Add support for exa search tool

  langchain-ai/open_deep_research#208 · Filter by author daviddl9 opened on Sep 25, 2025
  1

• ConnectionRefusedError when trying to generate the report in NVIDIA-hosted Jupyter notebook

  langchain-ai/open_deep_research#204 · Filter by author arun-gupta opened on Sep 11, 2025

• Passing pre-set arguments to MCP Tools

  langchain-ai/open_deep_research#203 · Filter by author dividor opened on Sep 11, 2025