Best n8n MCP Servers
n8n is a workflow automation platform that helps businesses connect apps, services, and APIs to automate workflows across tools.
Why this server?
Serves as a drop-in replacement for the docling-serve HTTP conversion API, so n8n workflows (alongside other docling-serve clients) can convert PDFs, Office files and other documents to Markdown, JSON and more without changing their configuration.
AlicenseAqualityAmaintenanceIt converts documents to Markdown or docling JSON for AI agents. That covers PDFs with layout analysis, table structure and OCR, plus DOCX, PPTX, XLSX, HTML, EPUB, e-mail, images and audio. It serves MarkItDown's "convert_to_markdown" tool under the same name and contract, along with "convert" and "list_input_formats".183113MITWhy this server?
Provides integration with n8n workflow automation through HTTP Stream transport, allowing n8n workflows to access SendForSign templates and manage document signing processes.
AlicenseBqualityDmaintenanceEnables interaction with the SendForSign API to list document templates and read template content for electronic signature workflows.25 npmMITWhy this server?
Provides n8n workflow examples for triggering VaEmail sends and querying message status, campaign state and domain authentication.
Why this server?
Integration with n8n workflow automation to call GSEP-protected agent endpoints via JSON-RPC over HTTP.
Why this server?
Integrates with n8n workflows to enable AI agents to perform RAG queries and knowledge management through Calypso's multimodal retrieval layer.
AlicenseAqualityBmaintenanceA hosted multimodal RAG MCP server that enables natural language queries over text and visual content (PDFs, images, etc.) with verifiable citations, easily run via npx with a Calypso API key.434 npm2MITWhy this server?
Provides a preset tunnel configuration for n8n workflow automation on port 5678, enabling secure external access to n8n webhook nodes and workflows.
Why this server?
Enables n8n workflows to automate domain management tasks such as checking domain availability, listing contacts, and registering domains via the Openprovider MCP server.
AlicenseBqualityCmaintenanceMCP server for Openprovider.com that enables domain management actions such as checking availability, registering domains, listing domains, and managing contacts through natural language.10MITWhy this server?
Enables n8n workflows to convert files, HTML, and Markdown to PDF.

FileToPDF MCP serverofficial
AlicenseAqualityFmaintenanceEnables conversion of files, HTML, and Markdown to PDF through natural language, using the FileToPDF API.446 npm2MITWhy this server?
Enables n8n workflows to manage GPU infrastructure, including deployment, monitoring, and cost optimization.

vibops-mcpofficial
AlicenseAqualityCmaintenanceVibOps 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..)..741,875 PyPI19MIT