langchain-ai/langmem

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Stars: 1.7k
Forks: 189
Open beginner issues: 0
Indexed issues: 51
Avg merge: 2d 17h
Merged PRs (30d): 2

Dominant language: Python
License: MIT
Last GitHub push: Sep 9, 2026
Latest indexed: Sep 18, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
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51 open issues indexed

MemoryStoreManager.invoke() runs the same search twice Open

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

langchain-ai/langmem#189 · 1 comment · Opened Sep 12, 2026
Seeking right-to-reply for a published article Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

langchain-ai/langmem#182 · Opened Aug 21, 2026
Pre-publication review: our reading of LangMem's store write path (corrections welcome by 2026-08-30) Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

langchain-ai/langmem#180 · Opened Aug 16, 2026
create_multi_prompt_optimizer incompatible with LM Studio Open

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

langchain-ai/langmem#176 · Opened Aug 2, 2026
Security: OWASP Agent Memory Guard for memory poisoning defense (ASI06) Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

langchain-ai/langmem#164 · Opened May 13, 2026
Security: OWASP Agent Memory Guard for memory poisoning defense (ASI06) Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

langchain-ai/langmem#163 · Opened May 13, 2026
Enhance error message when summarization fails due to missing HumanMessage in trimmed window Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

langchain-ai/langmem#156 · 1 comment · Opened Apr 13, 2026
Persistence? Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

langchain-ai/langmem#154 · 9 comments · Opened Apr 4, 2026
Add GCP Vertex AI model provider support Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

langchain-ai/langmem#144 · Opened Feb 23, 2026
Add AWS Bedrock model provider support Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

langchain-ai/langmem#143 · Opened Feb 23, 2026
Make langchain-openai and langchain-anthropic optional dependencies Open

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

langchain-ai/langmem#142 · Opened Feb 23, 2026
create_search_memory_tool does not retrieve memories written via create_memory_store_manager Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

langchain-ai/langmem#140 · Opened Feb 4, 2026
Schema mismatch between create_manage_memory_tool and create_memory_store_manager Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

langchain-ai/langmem#138 · Opened Dec 22, 2025
Bug: `TypeError: 'in <string>' requires string as left operand, not list` in `_prepare_summarization_result` with gemini Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

langchain-ai/langmem#135 · 1 reaction · Opened Nov 14, 2025
GRAPH_RECURSION_LIMIT Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 50/100

langchain-ai/langmem#133 · 7 comments · Opened Nov 7, 2025
Version conflicts Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

langchain-ai/langmem#132 · Opened Oct 27, 2025
Need to publish new release (0.0.30) for langgraph 1.0+ compatibility Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

langchain-ai/langmem#130 · 2 comments · 5 reactions · Opened Oct 21, 2025
langmem incompatible with v1 Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

langchain-ai/langmem#129 · 3 reactions · Opened Oct 20, 2025
LangGraph 1.0.0 Compatibility Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

langchain-ai/langmem#128 · 1 comment · 1 reaction · Opened Oct 20, 2025
Bug in summarizing parallel tool calls. Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

langchain-ai/langmem#126 · 3 comments · 2 reactions · Opened Oct 7, 2025
Is there any problem with the compatibility of version 0.0.29? Open

Difficulty 3/5 1-2 days Newbie friendliness 30/100

langchain-ai/langmem#123 · 3 comments · Opened Sep 23, 2025
AsyncPostgresSaver.aput() key argument Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

langchain-ai/langmem#122 · Opened Sep 23, 2025
TypeScript Support for LangMem Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

langchain-ai/langmem#121 · 11 reactions · Opened Sep 16, 2025
SummarizationNode() in langmem doesn’t merge with previous summary, causing repeated tool call loop Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

langchain-ai/langmem#118 · 2 comments · Opened Sep 9, 2025
Langmem docs example returning empty lists Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

langchain-ai/langmem#117 · Opened Sep 8, 2025
Agent not using InMemoryStore with IndexConfig Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

langchain-ai/langmem#114 · 4 comments · Opened Sep 3, 2025
Tool failed in OpenAI structured-outputs strict mode Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

langchain-ai/langmem#113 · 2 comments · Opened Sep 2, 2025
LangMem Truncation Breaks LangGraph’s Expected Tool-Call / Tool-Message Pairing Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

langchain-ai/langmem#112 · 2 comments · Opened Aug 28, 2025
SummarizationNode is trimming the HumanMessage when using tools Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

langchain-ai/langmem#111 · 1 comment · Opened Aug 27, 2025
Response from agent only shows tool call Open

Difficulty 3/5 1-2 days Newbie friendliness 30/100

langchain-ai/langmem#110 · 1 comment · Opened Aug 18, 2025
LangGraph 0.6.0 Context Upgrade breaks dynamic namespace injection Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

langchain-ai/langmem#108 · 2 comments · Opened Aug 8, 2025
create_memory_manager fails with "not strict" error when using BaseChatModel instances Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

langchain-ai/langmem#106 · 1 comment · Opened Aug 4, 2025
AWS Bedrock complains about missing toolConfig Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

langchain-ai/langmem#102 · 1 comment · 1 reaction · Opened Jul 19, 2025
In `SummarizationNode` If `output_messages_key` ！= `input_messages_key`, the Messages in the entire context will be output to the large model as is, which will still cause Context overflow Open

open-swe-auto

Difficulty 3/5 1-2 days Newbie friendliness 45/100

langchain-ai/langmem#101 · 1 comment · Opened Jul 17, 2025
Tool messages are duplicated when they immediately follow AI message with tool calls Open

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

langchain-ai/langmem#98 · 6 comments · 1 reaction · Opened Jul 11, 2025
summarization.py:246: RuntimeWarning: Failed to t rim messages to fit within max_tokens limit before summarization Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

langchain-ai/langmem#93 · Opened Jun 21, 2025
KeyError during memory extraction: langmem misinterprets input data keys as schema names Open

open-swe-auto

Difficulty 3/5 1-2 days Newbie friendliness 45/100

langchain-ai/langmem#91 · 1 comment · Opened Jun 17, 2025
SummarizationNode: allow separate trigger and slice size Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

langchain-ai/langmem#85 · 4 reactions · Opened Jun 7, 2025
AttributeError: module 'typing' has no attribute 'NotRequired' Open

open-swe-auto

Difficulty 3/5 1-2 days Newbie friendliness 35/100

langchain-ai/langmem#83 · 4 comments · 1 reaction · Opened Jun 3, 2025
Can't import with python 3.10 Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

langchain-ai/langmem#81 · 6 comments · 2 reactions · Opened May 31, 2025
Customization of Memory Saving Behavior in SupervisorBuilder Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

langchain-ai/langmem#79 · Opened May 28, 2025
Summarization Issue Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

langchain-ai/langmem#77 · 6 comments · 2 reactions · Opened May 26, 2025
Error in local reflection worker: CANCELLED Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

langchain-ai/langmem#70 · 2 comments · Opened May 13, 2025
[Feature Request] Customizable root-level metadata field Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

langchain-ai/langmem#67 · 1 comment · 2 reactions · Opened May 9, 2025
create_memory_store_manager.ainvoke blocking call Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

langchain-ai/langmem#66 · 2 comments · Opened May 8, 2025
Use LangMem in the chain flow (via LCEL)? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

langchain-ai/langmem#62 · 2 comments · Opened Apr 29, 2025
Error: "'dict' object has no attribute '__repr_name__'" when using Postgres with `create_memory_store_manager` Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

langchain-ai/langmem#55 · 7 comments · Opened Apr 15, 2025
ExtractionState' object has no attribute 'tool_call_id' when using langmem with trustcall Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

langchain-ai/langmem#43 · 5 comments · Opened Mar 28, 2025
Combination of episodic and semantic memory Open

Difficulty 5/5 Over a week Newbie friendliness 18/100

langchain-ai/langmem#41 · 4 comments · Opened Mar 27, 2025
Unable to get ReflectionExecutor to properly invoke memory management graph Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

langchain-ai/langmem#14 · 1 reaction · Opened Feb 27, 2025

langchain-ai/langmem

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