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maintenanceStructured business intelligence for AI agents. 5.5M verified entities across 34 countries, 40.3M BORME mercantile acts, EU VAT validation, GLEIF, healthcare registries. 20 tools.
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Best LangChain MCP Servers
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.
Why this server?
Provides LangChain integration tools for building AI agents with business intelligence capabilities, including entity search, profile lookup, and healthcare professional verification.
Why this server?
Provides an optional LangChain agent CLI that uses MCP tools to interact directly with the 3DCityDB database.
3DCityDB MCP Serverofficial
AlicenseAqualityBmaintenanceEnables AI assistants to interact with 3DCityDB v5 through natural language, dynamically resolving object classes, properties, and codelists to answer spatial questions and execute SQL queries on CityGML data.Last updated147Apache 2.0Why this server?
Integrates with LangChain agents via MCP adapters, enabling fleet knowledge retrieval, conservation checks, and ternary validation in LangChain workflows.
AlicenseAqualityBmaintenanceEnables Claude Code to query and control the SuperInstance fleet, including fleet status, conservation law checks, semantic search, and agent registry.Last updated85MITWhy this server?
Provides integration examples for using SignNow eSignature tools within LangChain AI agent frameworks
SignNow MCP Serverofficial
AlicenseAqualityBmaintenancehttps://github.com/signnow/sn-mcp-server MCP server for SignNow e-signature: templates, invites, embedded signing/editor, status & downloads.Last updated257MITWhy this server?
Provides LangChain-based AI agents with tools to observe, operate, and govern GPU clusters.
vibops-mcpofficial
AlicenseAqualityAmaintenanceVibOps MCP is the control plane between your AI agents and your GPU infrastructure. 74 tools covering: GPU fleet management (deploy, scale, monitor across NVIDIA, AMD, Intel, AWS, Google, Groq), Agent Infrastructure Control Plane (per-agent GPU cost, budget enforcement, model policies, dependency graph), governance (AI Act, SOC 2, immutable HMAC audit chain), and GPU FinOps (chargeback, waste..)..Last updated7418MITWhy this server?
Provides tools for LangChain agents to interact with the Clicks Protocol for yield-bearing payment management and autonomous agent registration.
Clicks Protocolofficial
AlicenseAqualityDmaintenanceAutonomous DeFi yield for AI agents on Base. Query APY rates, agent status, payment splits, and referral stats. 4 read-only tools + 1 resource.Last updated92MITWhy this server?
Provides integration examples for connecting the Teamwork.com MCP server with LangChain applications in both Node.js and Python
Why this server?
Provides a LangChain tool specification, enabling LangChain agents to use TempGuru's event staffing tools for planning and quoting.
AlicenseAqualityBmaintenanceMCP server for W-2 event staffing across 300+ US and Canadian markets. Five read-only lookups (city coverage, staffing roles, all-inclusive W-2 rate ranges, lead-time guidance, and state-by-state compliance) plus an opt-in request_quote tool that submits a structured staffing request to TempGuru for a human-reviewed quote. No authentication required; connect with the URL alone.Last updated61652MITWhy this server?
Integrates with LangChain agents to convert files, HTML, and Markdown to PDF.
FileToPDF MCP serverofficial
AlicenseAqualityBmaintenanceEnables conversion of files, HTML, and Markdown to PDF through natural language, using the FileToPDF API.Last updated4962MIT
