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Dev tooling

LangChain integrations break or are missing

2 posts from 2 people2d activeSteady, +1 this weekunverified

Posts per day

Posts per day2 posts, Oct 18 to Oct 28

The posts behind it

GitHub issueslangchain-ai/langchain · vishnukoolOct 27

langchain-tests: sandbox glob and write assertions contradict deepagents 0.7.32 contracts

### Submission checklist - [x] This is a bug, not a usage question. - [x] I added a clear and descriptive title that summarizes this issue. - [x] I used GitHub search and did not find a report of the relative-path assertions. - [x] I reproduced this with LangChain's own backend,...

1 replies
GitHub issueslangchain-ai/langchain · W2000dsOct 18

`after_agent` middleware with `jump_to="end"` routes to itself until `GraphRecursionError`

...middleware exits. This report concerns an `after_agent` hook routing back to itself and failing to terminate. ### Reproduction Steps / Example Code (Python) The example is fully offline. The low recursion limit makes the failure quick to observe. ### Error Message and Stack...

1 replies

Companies and products named

2 posts
2 posts
About this problem

Evidence

2 posts from 2 people in 1 place, about 1 a week over 10 days. Mostly on langchain-ai/langchain. Tools named alongside: GitHub.

Frustration Frustration 0 of 3· Seen on GitHub issues

How it was grouped

Posts that state a pain and match the "integration" rule about LangChain. First post Oct 18, 2026, latest Oct 27, 2026. Unverified: fewer than 3 posts, or one person or place only. Method

The same problem elsewhere

Llama integrations break or are missing

23 posts from 1 person on GitHub issues. Unverified.

Integrations between tools are brittle glue code

17 posts from 17 people on GitHub issues, Community forums, Stack Overflow.

OpenAI integrations break or are missing

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LlamaIndex integrations break or are missing

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Hugging Face integrations break or are missing

2 posts from 1 person on GitHub issues. Unverified.

GitHub Copilot integrations break or are missing

2 posts from 2 people on GitHub issues, Reddit. Unverified.

Other LangChain problems

LangChain users keep filing bugs

Top post: "langchain 1.4.0: any after_model middleware using documented `jump_to=tools` bypasses the HITL", one of 24 posts from 21 people on GitHub issues, Reddit.

LangChain upgrades break working setups

9 posts from 9 people on GitHub issues.

RAG on LangChain returns irrelevant or missing context

8 posts from 7 people on Reddit, GitHub issues, Stack Overflow.

Trouble with LangChain agent

Top post: "langchain-classic: importing a moved agent from `agent_toolkits` raises `ValueError` instead of `ImportError`", one of 5 posts from 4 people on GitHub issues, Stack Overflow, Reddit.

LangChain rate limits and usage caps block work

4 posts from 3 people on GitHub issues.

Trouble with LangChain agents

Top post: "Is it normal for a LangGraph supervisor to consume as many tokens as all 8 agents combined? How can we", one of 4 posts from 4 people on Reddit.

LangChain agents loop, stall or fail midway

3 posts from 3 people on GitHub issues, Reddit.

Trouble with LangChain test

Top post: "langchain: MCP adapter test asserts a POSIX-only error message, fails on Windows where the drive letter", one of 3 posts from 3 people on GitHub issues.

LangChain error messages are cryptic

3 posts from 2 people on GitHub issues.

LangChain vulnerabilities are hard to triage and patch

3 posts from 1 person on GitHub issues. Unverified.

Trouble with LangChain valueerror

Top post: "core: check_valid_template raises ValueError for mustache template_format", one of 2 posts from 2 people on GitHub issues. Unverified.

Trouble with LangChain importerror

Top post: "langchain-classic: ImportError messages for moved REPL tools link to a deleted SECURITY.md and a deleted", one of 2 posts from 1 person on GitHub issues. Unverified.

History

First seen with 2 posts.

Oct 28, 2026