"Free APIs and services without commercial fees" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
AI-first file sharing and collaboration. 251 tools give agents a full workspace: file storage, branded shares, comments, workflows, and built-in RAG. 50GB free, no credit card.
Secure P2P File Transfer, Encrypted Chat & Communication | Decentralized P2P & AES-256-GCM encryption | Zero cloud logs. Zero registration. For humans and autonomous AI agents / MCP servers.
Let ChatGPT, Claude & Cursor use your Mac: email, calendar, iMessage, Teams, files. Local, free.
Converts customer-supplied PDF bank statements into checked Excel, CSV, or JSON with balance validation. Hosted Streamable HTTP endpoint; each user brings their own MainBook API key, and the server never connects to bank accounts.
Compress, merge, split, rotate, extract pages, number pages, and protect or unlock PDFs.
Inspect XLSX/XLSM workbooks, validate email, generate SVG QR codes, and look up domain DNS and TLS.
Personal context for AI, written by you and never scraped: your profile and files, any MCP client.
Upload, edit, compress, protect, redact, and compare PDFs with KDAN PDF in Claude and ChatGPT.
Convert files, URLs, and documents to clean, AI-ready Markdown via MCP.
Run commands and read/write files on your servers over Termalin's keyless tunnels (hosted MCP).
Convert and compress PDFs and images, redact personal data, and run text and data utilities.
Generate professional receipt PDFs and structured receipt data with AI-ready MCP tools.
Normalize and convert more than 400 file types via TweekIT's hosted MCP streamable HTTP endpoint.
Holiday photo MCP server: list and fetch personal holiday photos inline in Claude chat.
Deploy files, sites, and Dockerfile apps to live URLs + private drives for agent memory.
File uploads for AI agents. Upload, list, and manage files. No signup required.
22 utility tools (x402 USDC on Base): currency, PDF, image, GDPR. Free health.
84+ free local-first tools: image, PDF, docs, dev utils. Wasm, zero upload, x402 API.
- compdf-mcpOAuth unavailablecom.compdf.mcp-server
This is a Unified MCP Server for full document control: PDF manipulation (merge, split, rotate, insert, delete), OCR/data extraction from PDFs/images, PDFs/images conversion, compression, encryption, and watermark management—all without juggling multiple tools.