Source

langchain-ai/langchain-skills

42 skills · 243K combined installs

Skills from this source

#
Skill
Source
8W Activity
Installs
1278
deep-agents-memory Official INVOKE THIS SKILL when your Deep Agent needs memory, persistence, or filesystem access. Covers StateBackend (ephemera…
langchain-ai/langchain-skills
18.5K
1317
langgraph-persistence Official INVOKE THIS SKILL when your LangGraph needs to persist state, remember conversations, travel through history, or conf…
langchain-ai/langchain-skills
17.4K
1319
langgraph-fundamentals Official INVOKE THIS SKILL when writing ANY LangGraph code. Covers StateGraph, state schemas, nodes, edges, Command, Send, inv…
langchain-ai/langchain-skills
17.4K
1347
langchain-rag Official INVOKE THIS SKILL when building ANY retrieval-augmented generation (RAG) system. Covers document loaders, RecursiveCh…
langchain-ai/langchain-skills
17K
1351
langchain-fundamentals Official Create LangChain agents with create_agent, define tools, and use middleware for human-in-the-loop and error handling.
langchain-ai/langchain-skills
16.9K
1362
langgraph-human-in-the-loop Official INVOKE THIS SKILL when implementing human-in-the-loop patterns, pausing for approval, or handling errors in LangGraph…
langchain-ai/langchain-skills
16.7K
1424
langchain-middleware Official INVOKE THIS SKILL when you need human-in-the-loop approval, custom middleware, or structured output. Covers HumanInTh…
langchain-ai/langchain-skills
15.7K
1431
deep-agents-orchestration Official INVOKE THIS SKILL when using subagents, task planning, or human approval in Deep Agents. Covers SubAgentMiddleware, T…
langchain-ai/langchain-skills
15.6K
1435
langchain-dependencies Official INVOKE THIS SKILL when setting up a new project or when asked about package versions, installation, or dependency man…
langchain-ai/langchain-skills
15.5K
1447
deep-agents-core Official INVOKE THIS SKILL when building ANY Deep Agents application. Covers create_deep_agent(), harness architecture, SKILL.…
langchain-ai/langchain-skills
15.4K
2451
managed-deep-agents Official INVOKE THIS SKILL when building, testing, or deploying Managed Deep Agents in LangSmith with the mda CLI. Walks a use…
langchain-ai/langchain-skills
8.7K
2501
langgraph-cli Official INVOKE THIS SKILL when using the langgraph CLI to scaffold, develop, build, or deploy LangGraph applications. Covers …
langchain-ai/langchain-skills
8.5K
2551
swarm Official Dispatches many independent items in parallel: create a table, fan out to subagents, aggregate results. One row = one…
langchain-ai/langchain-skills
8.3K
2701
framework-selection Official INVOKE THIS SKILL at the START of any LangChain/LangGraph/Deep Agents project, before writing any agent code. Determi…
langchain-ai/langchain-skills
7.8K
2726
ecosystem-primer Official INVOKE FIRST for any LangChain / LangGraph / Deep Agents agent building project before consulting other skills or wri…
langchain-ai/langchain-skills
7.6K
3842
eval-engineering Official Inspect an agent repository and optional traces, interview the user, write reviewed Task Specs, build and audit Harbo…
langchain-ai/langchain-skills
4.9K
3951
langgraph-python-quickstart Official Scaffold a minimal local LangGraph agent in Python by following the official quickstart. Use when the user wants to q…
langchain-ai/langchain-skills
4.7K
4044
langchain-python-quickstart Official Scaffold a minimal local LangChain agent in Python by following the official quickstart. Use when the user wants to q…
langchain-ai/langchain-skills
4.6K
4054
langgraph-typescript-quickstart Official Scaffold a minimal local LangGraph agent in TypeScript by following the official quickstart. Use when the user wants …
langchain-ai/langchain-skills
4.6K
4056
deepagents-python-quickstart Official Scaffold a minimal local Deep Agent in Python by following the official quickstart, using provider-native web search …
langchain-ai/langchain-skills
4.6K
4085
langchain-typescript-quickstart Official Scaffold a minimal local LangChain agent in TypeScript by following the official quickstart. Use when the user wants …
langchain-ai/langchain-skills
4.5K
4113
deepagents-typescript-quickstart Official Scaffold a minimal local Deep Agent in TypeScript by following the official quickstart, using provider-native web sea…
langchain-ai/langchain-skills
4.5K
5329
langsmith-online-eval-engineering Official Iteratively inspect traces, interview the user, and create LangSmith online evaluators one at a time. Use specificall…
langchain-ai/langchain-skills
3.3K
24
langgraph-decision-models Official INVOKE THIS SKILL when routing a LangGraph agent with a decision model (TypeSafe Jev, SemIf) instead of an LLM, or wh…
langchain-ai/langchain-skills
58
25
LangGraph Execution Control INVOKE THIS SKILL for LangGraph workflows, parallel execution, interrupts, or streaming. Covers Send API for fan-out,…
langchain-ai/langchain-skills
34
26
LangGraph Persistence & Memory INVOKE THIS SKILL when your LangGraph needs to persist state, remember conversations, travel through history, or conf…
langchain-ai/langchain-skills
33
27
Deep Agents Memory & Filesystem INVOKE THIS SKILL when your Deep Agent needs memory, persistence, or filesystem access. Covers StateBackend (ephemera…
langchain-ai/langchain-skills
27
28
LangChain RAG Pipeline INVOKE THIS SKILL when building ANY retrieval-augmented generation (RAG) system. Covers document loaders, RecursiveCh…
langchain-ai/langchain-skills
24
29
Langsmith Traces INVOKE THIS SKILL when working with LangSmith tracing OR querying traces. Covers adding tracing to applications and q…
langchain-ai/langchain-skills
19
30
LangSmith Evaluators INVOKE THIS SKILL when building evaluation pipelines for LangSmith. Covers three core components: (1) Creating Evalua…
langchain-ai/langchain-skills
18
31
LangChain Structured Output & HITL INVOKE THIS SKILL when you need structured/typed output from LLMs OR human-in-the-loop approval. Covers with_structur…
langchain-ai/langchain-skills
16
32
langsmith dataset INVOKE THIS SKILL when creating evaluation datasets from trace OR uploading datasets to LangSmith OR querying dataset…
langchain-ai/langchain-skills
13
33
langsmith-trace INVOKE THIS SKILL when working with LangSmith tracing OR querying traces. Covers adding tracing to applications and q…
langchain-ai/langchain-skills
11
34
langsmith-evaluator INVOKE THIS SKILL when building evaluation pipelines for LangSmith. Covers three core components: (1) Creating Evalua…
langchain-ai/langchain-skills
9
35
LangChain Middleware & HITL INVOKE THIS SKILL when you need human-in-the-loop approval, custom middleware, or structured output. Covers HumanInTh…
langchain-ai/langchain-skills
8
36
LangSmith Datasets INVOKE THIS SKILL when creating evaluation datasets from trace OR uploading datasets to LangSmith OR querying dataset…
langchain-ai/langchain-skills
7
37
langchain-agents Use this skill for ANY coding question involving LangChain products (LangChain, LangGraph, LangSmith SDK). Covers age…
langchain-ai/langchain-skills
4
38
LangChain Agent Starter Kit ALWAYS START HERE for any LangChain, Deep Agents, or LangGraph open source agent project. It is the required starting…
langchain-ai/langchain-skills
2
39
deep-agents-memory-&-filesystem deep-agents-memory-&-filesystem — an installable skill for AI agents, published by langchain-ai/langchain-skills.
langchain-ai/langchain-skills
0
40
langchain-middleware-&-hitl langchain-middleware-&-hitl — an installable skill for AI agents, published by langchain-ai/langchain-skills.
langchain-ai/langchain-skills
0
41
langchain-structured-output-&-hitl langchain-structured-output-&-hitl — an installable skill for AI agents, published by langchain-ai/langchain-skil…
langchain-ai/langchain-skills
0
42
langgraph-persistence-&-memory langgraph-persistence-&-memory — an installable skill for AI agents, published by langchain-ai/langchain-skills.
langchain-ai/langchain-skills
0