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Research & Knowledge

Agents for research, retrieval, memory, knowledge bases, RAG, GraphRAG, and long-context synthesis.

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mcpservers / skill langchain-dependencies

LangChain ecosystem package versions, dependencies, and installation guidance for Python and TypeScript. Start all new projects on LangChain 1.0 LTS; version 0.3 is legacy maintenance-only. Always install langchain-core explicitly alongside other packages. Choose one orchestration layer: LangGraph for fine-grained graph control, or Deep Agents for batteries...

MCPHTTPCLI
Fit
70 / 100
Trust
Needs review
Install
MCP ready
Review links
mcpservers / skill langchain-fundamentals

Build production LangChain agents with create_agent(), tools, and middleware patterns. Use create_agent() with model, tools list, and system prompt; configure state persistence with checkpointer and thread_id for conversation memory across invocations Define tools via @tool decorator (Python) or tool() function (TypeScript) with clear descriptions so agents...

MCPHTTPCLI
Fit
70 / 100
Trust
Needs review
Install
MCP ready
Review links
mcpservers / skill langgraph-fundamentals

Directed graph framework for building stateful, multi-step agent workflows with fine-grained control. StateGraph with typed state schemas, reducers for accumulating lists/values, and nodes that return partial state updates Static edges for fixed flow, conditional edges for branching, and Command for combining state updates with dynamic routing Send API for...

MCPHTTPCLI
Fit
70 / 100
Trust
Needs review
Install
MCP ready
Review links
mcpservers / skill langgraph-human-in-the-loop

Pause graph execution for human review, approval, or validation, then resume with their input. Requires three components: a checkpointer (InMemorySaver or PostgresSaver), a thread ID in config, and JSON-serializable interrupt payloads interrupt(value) pauses and surfaces data; Command(resume=value) resumes and returns that value to the paused node All code...

MCPHTTPCLI
Fit
70 / 100
Trust
Needs review
Install
MCP ready
Review links
mcpservers / skill langgraph-persistence

Durable graph execution with thread-scoped checkpoints, state history, and cross-thread long-term memory. Three checkpointer options: InMemorySaver for testing, SqliteSaver for local development, PostgresSaver for production; always pass thread_id in config to enable persistence Browse and replay from past checkpoints using get_state_history() , fork execut...

MCPHTTPCLI
Fit
70 / 100
Trust
Needs review
Install
MCP ready
Review links
awesomeskill / skill agent-slack

Slack CLI for agents: read URLs/threads/history/unreads/later/canvases/workflows, search messages/files, download attachments, lookup users, list/create/invite channels, open DMs, draft messages, schedule sends, and explicit sends/edits/deletes/reactions/mark-read/uploads.

MCPCLIHTTP
Fit
69 / 100
Trust
Needs review
Install
MCP ready
Review links
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4677 matching candidates for Research & Knowledge. Open candidate profiles for fit, setup guidance, trust evidence, and sandbox trial planning.

Role category review path
  1. 01Site contextShared review rules
  2. 02Role categoryOpen the focused review record
  3. 03Agent inventoryBrowse the matching inventory
  4. 04Profile resourcesEvidence, setup, trust, trial, and history files

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Review route: OpenAI review tools can start with openai.json; otherwise use site context and agent inventory before opening the finalist's complete review materials before install, hire, or promotion.