LangChain

MCP Servers for LangChain

LangChain is a framework for developing applications powered by language models, providing tools and components to build context-aware, reasoning applications that integrate with external data sources.

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Why this server?
Planned future integration that will allow Memgraph to work within LangChain-based applications and AI workflows
Memgraph MCP Serverofficial
memgraph
A
security
A
license
A
quality
A lightweight server implementation of the Model Context Protocol that connects Memgraph database with LLMs, allowing users to interact with graph databases through natural language.
Last updated -
1
13
Python
MIT License
Why this server?
Draws inspiration from LangChain for memory management capabilities
mem0 Memory System
pinkpixel-dev
A
security
A
license
A
quality
A flexible memory system for AI applications that supports multiple LLM providers and can be used either as an MCP server or as a direct library integration, enabling autonomous memory management without explicit commands.
Last updated -
3
211
51
JavaScript
MIT License
Why this server?
Supports integration with LangChain components in n8n workflows, offering special tools for connecting AI components and establishing connections between agent nodes, model nodes, and tool nodes.
n8n-workflow-builder-mcp
ifmelate
A
security
A
license
A
quality
n8n-workflow-builder-mcp
Last updated -
9
4
JavaScript
MIT License
Why this server?
Uses LangChain's MarkdownTextSplitter to split file content into chunks for the knowledge base.
Knowledge Base MCP Server
jeanibarz
A
security
A
license
A
quality
Provides tools for listing and retrieving content from different knowledge bases using semantic search capabilities.
Last updated -
2
10
TypeScript
The Unlicense
Why this server?
Enables integration with LangChain through langchain-mcp-adapters, allowing AI agents to interact with Wikidata's knowledge graph through the Model Context Protocol.
Wikidata MCP Server
zzaebok
A
security
A
license
A
quality
A server implementation for interacting with Wikidata API using the Model Context Protocol, providing tools for searching identifiers, extracting metadata, and executing SPARQL queries.
Last updated -
5
8
Python
MIT License
Why this server?
Supports integration with LangChain agent frameworks for utilizing Reddit browsing and search capabilities.
Reddit MCP
GridfireAI
A
security
A
license
A
quality
A plug-and-play MCP server that enables AI assistants to browse, search, and read Reddit content through the PRAW library.
Last updated -
6
6
Python
MIT License
Why this server?
Based on LangChain Ollama Deep Researcher, providing workflow orchestration for multi-step research tasks
mcp-server-ollama-deep-researcher
Cam10001110101
A
security
A
license
A
quality
This is a Model Context Protocol (MCP) server adaptation of LangChain Ollama Deep Researcher. It provides the deep research capabilities as MCP tools that can be used within the model context protocol ecosystem, allowing AI assistants to perform in-depth research on topics (locally) via Ollama
Last updated -
3
5
Python
MIT License
Why this server?
Generates LangChain-compatible tool implementations from Postman API collections, enabling integration with the LangChain framework.
Postman Tool Generation MCP Server
giovannicocco
A
security
A
license
A
quality
An MCP server that generates AI agent tools from Postman collections and requests. This server integrates with the Postman API to convert API endpoints into type-safe code that can be used with various AI frameworks.
Last updated -
1
7
JavaScript
MIT License
Why this server?
Incorporates LangChain technology for building applications with language models.
MCP Serve
mark-oori
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security
A
license
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quality
A server tool for running Deep Learning models that offers Shell execution, Ngrok connectivity, and Docker container hosting with support for multiple AI frameworks including Anthropic, Gemini, and OpenAI.
Last updated -
1
Python
MIT License
Why this server?
Provides seamless integration with LangChain's tool ecosystem, allowing the hot news data to be used as tools in LangChain agents.
MCP Hot News Server
wudalu
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security
A
license
-
quality
A modern multi-platform hot news aggregation server based on FastMCP that supports real-time hot topics data collection from 13+ major platforms including Zhihu, Weibo, Baidu, and Bilibili.
Last updated -
2
Python
MIT License
Why this server?
Enables integration with LangChain framework, allowing agents to leverage database tools and execute queries through the MCP Toolbox server.
MCP Toolbox for Databases
googleapis
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security
A
license
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quality
Open source MCP server specializing in easy, fast, and secure tools for Databases.
Last updated -
1,106
Go
Apache 2.0
Why this server?
Integrates with LangChain, enabling the use of Gateway's auto-generated APIs within LangChain applications and workflows.
CentralMind/Gateway
centralmind
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security
A
license
-
quality
MCP-Server from your Database optimized for LLMs and AI-Agents. Supports PostgreSQL, MySQL, ClickHouse, Snowflake, MSSQL, BigQuery, Oracle Database, SQLite, ElasticSearch, DuckDB
Last updated -
358
Go
Apache 2.0
Why this server?
Provides integration with LangChain, allowing agents to automatically discover and use tools through the MCP server for document processing and RAG capabilities.
MCP-RAG
AnuragB7
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security
A
license
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quality
An MCP-compatible system that handles large files (up to 200MB) with intelligent chunking and multi-format document support for advanced retrieval-augmented generation.
Last updated -
2
Python
MIT License
Why this server?
Utilizes LangChain to connect large language models (specifically Gemini) to the Wolfram Alpha API, facilitating the creation of AI clients that can interact with the MCP server
MCP_WolframAlpha
akalaric
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security
A
license
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quality
MCP\_WolframAlpha
Last updated -
16
Python
MIT License
Why this server?
Uses LangChain's ReAct Agent to interact with MCP server tools through the convert_mcp_to_langchain_tools() utility function.
Model Context Protocol (MCP) Server
hideya
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security
A
license
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quality
This server facilitates the invocation of AI models from providers like Anthropic, OpenAI, and Groq, enabling users to manage and configure large language model interactions seamlessly.
Last updated -
9
Python
MIT License
Why this server?
Enables integration with LangChain, allowing the EPICS MCP Server to be used as part of LangChain workflows for controlling and monitoring EPICS Process Variables.
EPICS MCP Server
Jacky1-Jiang
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security
A
license
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quality
A Python-based server that interacts with EPICS process variables, allowing users to retrieve PV values, set PV values, and fetch detailed information about PVs through a standardized interface.
Last updated -
2
Python
MIT License
Why this server?
Integrates with LangChain to provide agent-based search capabilities and facilitate the creation of agentic AI systems that can search the web and retrieve information.
Model Context Protocol Server
arkeodev
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security
A
license
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quality
Provides a standardized protocol for tool invocation, enabling an AI system to search the web, retrieve information, and provide relevant answers through integration with LangChain, RAG, and Ollama.
Last updated -
Python
MIT License
Why this server?
Integrates with LangChain for AI-powered diagram generation, enabling enhanced text-to-diagram generation, code-to-diagram conversion, and visualization of differences between code versions.
archy
phxdev1
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security
A
license
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quality
archy
Last updated -
6,436,045
4
TypeScript
Apache 2.0
Why this server?
Referenced as a related project through langchain-mcp-adapters, enabling the use of MCP tools with LangChain.
MCP Tools
ZbigniewTomanek
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security
A
license
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quality
A custom Model Context Protocol server that gives Claude Desktop and other LLMs access to file system operations and command execution capabilities through standardized tool interfaces.
Last updated -
22
Python
Apache 2.0
Why this server?
Offers toolkit integration with LangChain, supporting virtual card and spend management functionalities through Extend's API endpoints.
Extend AI Toolkit MCP Server
paywithextend
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security
A
license
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quality
An MCP server that enables AI agents to interact with Extend's spend management APIs, allowing virtual card management, transaction tracking, and receipt processing through natural language.
Last updated -
15
Python
MIT License
Why this server?
Integrates with LangChain to provide structured prompt templates and processing workflows
PromptLab MCP Server
iRahulPandey
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security
A
license
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quality
Serves prompt templates through a standardized protocol for transforming basic user queries into optimized prompts for AI systems.
Last updated -
Python
Apache 2.0
Why this server?
Uses LangChain for creating simple LLM Prompt chains to generate image generation prompts from topics
Comfy MCP Server
lalanikarim
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security
A
license
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quality
The Comfy MCP Server uses the FastMCP framework to generate images from prompts by interacting with a remote Comfy server, allowing automated image creation based on workflow configurations.
Last updated -
7
Python
MIT License
Why this server?
The README mentions 'If you want langchain_example.py to work, uv sync --extra langchain instead', suggesting integration with LangChain.
omniparser-autogui-mcp
NON906
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security
A
license
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quality
Automatic operation of on-screen GUI.
Last updated -
17
Python
MIT License
Why this server?
Integrates with LangChain to create an AI agent that can use tools defined in the MCP server, helping to orchestrate reasoning and acting (ReAct) workflows.
Finance MCP Server
botextractai
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security
F
license
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quality
A Model Context Protocol server built with FastMCP that provides financial data tools for AI agents, enabling them to access and analyze stock market information from Yahoo Finance through natural language queries.
Last updated -
2
Python
Why this server?
Leverages LangChain for building the agent architecture that coordinates tool usage and query processing.
Multi-Server MCP Project
srinikandula
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security
F
license
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quality
A multi-server implementation that uses OpenAI's LLM to orchestrate multiple tool servers providing web search, weather lookup, random facts, and PostgreSQL database querying capabilities.
Last updated -
Python
Why this server?
Used for creating custom tools that can be presented to the LLM through the MCP server.
Real Estate Investment MCP Server
ericnsibley
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security
F
license
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quality
An MCP server that connects to a SQLite database of Zillow real estate data, enabling users to explore property values, rent indexes, and forecasts through a chat interface to make informed investment decisions.
Last updated -
Python
Why this server?
Enables LangChain agents to use Cisco Catalyst Center APIs as tools through the MCP protocol, with example client code demonstrating integration.
Cisco Catalyst Center MCP Server
martynrees
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security
F
license
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quality
A server that wraps Cisco Catalyst Center APIs into tools accessible via the Model Context Protocol, allowing AI agents to discover and execute network management operations.
Last updated -
Python
Why this server?
Integrates with LangChain.js for LLM interactions, enabling structured communication between the custom MCP server and language models
RAGmonsters Custom PostgreSQL MCP Server
LostInBrittany
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security
F
license
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quality
A domain-specific MCP server that provides optimized API access to the RAGmonsters fictional monster dataset, enabling more efficient and secure interactions compared to generic SQL queries.
Last updated -
1
JavaScript
Why this server?
Provides access to LangChain documentation, allowing AI assistants to retrieve specific information about the LangChain framework for building AI applications
MCP Server
GobinFan
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security
F
license
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quality
Implements the Model Context Protocol (MCP) to provide AI models with a standardized interface for connecting to external data sources and tools like file systems, databases, or APIs.
Last updated -
90
Python
Why this server?
Enables AI agents to use custom hiring tools through LangChain, allowing integration of recruitment capabilities with LangChain agents
shivonai-mcp
shivonai
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security
F
license
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quality
Our MCP Tools are designed to enhance AI-driven automated interview services by ensuring a seamless and contextually relevant candidate assessment process. These tools leverage advanced AI models to analyze responses, evaluate competencies, and provide real-time feedback, ma
Last updated -
Python
Why this server?
Provides foundational components for building the weather information service
Weather MCP Service
haichaozheng
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security
F
license
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quality
A Model Control Protocol (MCP) based service that allows users to query weather forecasts by coordinates and receive weather alerts for U.S. states.
Last updated -
1
Python
Why this server?
Retrieves information from LangChain's official documentation, allowing users to search and access relevant documentation snippets through the get_docs tool.
MPC Docs Server
joaowinderfeldbussolotto
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security
F
license
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quality
A simple Model Context Protocol server that enables searching and retrieving relevant documentation snippets from Langchain, Llama Index, and OpenAI official documentation.
Last updated -
Python
Why this server?
Provides search and retrieval of up-to-date Langchain documentation, enabling access to the latest library information beyond LLM knowledge cutoff dates.
Library Docs MCP Server
vikramdse
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security
F
license
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quality
An MCP server that fetches real-time documentation for popular libraries like Langchain, Llama-Index, MCP, and OpenAI, allowing LLMs to access updated library information beyond their knowledge cut-off dates.
Last updated -
Python
Why this server?
Uses LangChain's agent framework to facilitate natural language interactions with MLflow data and operations
MLflow MCP Server
iRahulPandey
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security
F
license
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quality
A natural language interface for MLflow that allows users to query and manage their machine learning experiments and models using plain English through the Model Context Protocol.
Last updated -
3
Python
Why this server?
Enables searching and retrieving information from LangChain documentation to assist with usage questions
Claude AI Documentation Assistant
XPE-7
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security
F
license
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quality
An MCP server that integrates with Claude to provide smart documentation search capabilities across multiple AI/ML libraries, allowing users to retrieve and process technical information through natural language queries.
Last updated -
Python

Memgraph MCP Serverofficial