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feat(streaming): v3 streamEvents causes INVALID_TOOL_RESULTS 400 and leaks tool results as text tokens

bugSomething isn't workingSomething isn't working

triage: high-impact

Status: Open.

#534 In langchain-ai/deepagentsjs;

· ben moussa anouar (anouar-bm) opened on May 12, 2026

Feature Request: On-Demand Tool Discovery to Reduce Context Window Bloat

Status: Open.

#527 In langchain-ai/deepagentsjs;

· Rahees Ahmed (RaheesAhmed) opened on May 7, 2026

TODO: port OpenRouter Azure-ignore default once provider profiles land in JS

Status: Open.

#523 In langchain-ai/deepagentsjs;

· open-swe opened on May 5, 2026

Support for ES Modules (import/export) in QuickJS REPL (via VFS)

Status: Open.

#487 In langchain-ai/deepagentsjs;

· Luiz Eduardo Zappa (luizzappa) opened on Apr 24, 2026

feat: handle_tool_errors — JS equivalent of Python's ToolNode(handle_tool_errors=True)

Status: Open.

#485 In langchain-ai/deepagentsjs;

· ben moussa anouar (anouar-bm) opened on Apr 23, 2026

Summarization customize

Status: Open.

#484 In langchain-ai/deepagentsjs;

· aria-n (ariran5) opened on Apr 22, 2026

Invalid update for channel "jumpTo" with values [null,null] when responseFormat is not respected by model provider and afterModel middleware is present

Status: Open.

#480 In langchain-ai/deepagentsjs;

· Matt McBrien (mattCohesion) opened on Apr 21, 2026

SummarizationMiddleware never triggers with non-OpenAI models

Status: Open.

#467 In langchain-ai/deepagentsjs;

· Ju Zi (xinzine) opened on Apr 16, 2026

When a sub-agent is invoked, the config.metadata.lc_agent_name isn’t being configured correctly by its main agent.

Status: Open.

#397 In langchain-ai/deepagentsjs;

· Haolong (HaolongChen) opened on Mar 31, 2026

[feat:] Support for defining the location of middleware prompt

Status: Open.

#389 In langchain-ai/deepagentsjs;

· Rick Lee (liSong5713) opened on Mar 30, 2026

skillsMiddleware skips skill.md discovery for explicitly scoped skill directories

Status: Open.

#387 In langchain-ai/deepagentsjs;

· 夜如歌 (lullabyjune) opened on Mar 29, 2026

Disable the general-purpose subagent without overriding it

Status: Open.

#385 In langchain-ai/deepagentsjs;

· Michael Ehrlich (mcrlc) opened on Mar 28, 2026