"Free tools or resources that do not require an API" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Send a fax from AI. Pay per fax. No registration or subscription. Pay only for successful faxes.
Render PDFs from templates and spreadsheet data via SheetRender, locally or at mcp.sheetrender.com
Manage your Cycle infrastructure from any AI assistant. Deploy and reconfigure containers, VMs, and full stacks; create environments; provision servers and manage clusters; handle DNS records, scoped variables, image sources, and volumes. Troubleshoot with logs, metrics, telemetry, and instance console commands. Authenticates via OAuth with read, write, and exec scopes. Tools outside your granted scopes are hidden, and every change is previewed before you confirm it.
Schedule posts to 10 social platforms and check drafts against hook rules learned from your audience
Instagram comment-to-DM automation your AI can set up and leave running, on the official Meta API.
Free hosted MCP server: new Upwork jobs for your agent and Telegram alerts within a minute.
Videos that make your business go viral, made for you.
Run a recreational sports league from an AI assistant: standings, schedules, rosters, scores, dues.
WhatsMCP connects Claude and other MCP-compatible AI agents directly to WhatsApp. Send and receive text, images, documents, and voice notes; manage groups (create, add/remove members, promote admins); look up contacts and profiles; follow channels; and read call and message history — all through a standard MCP interface. For voice use cases, WhatsMCP offers SIP-based calling plans (inbound-only, or full inbound/outbound) so AI voice agents can answer and place WhatsApp calls, plus low-latency WebSocket integrations with voice agent providers like ElevenLabs. Multiple WhatsApp accounts can be paired and managed per workspace, with webhook support for real-time inbound message delivery to your own infrastructure.
Schedule and manage social posts across 14 platforms: list posts, view the queue, create, edit, reschedule, and delete posts.
Let Claude or another MCP-compatible AI check your balance, look up orders, and send letters on your behalf
Turn AI-host work into invoices you review before send — Continue as guest or OAuth via hosted MCP.
Fillo MCP server — provision, scaffold, publish, and query forms from your coding agent.
Deterministic PDF tools for AI agents: inspect AcroForm fields, fill forms, merge PDFs and generate invoices. Hosted endpoint; tool calls need a free API key from pdfops.dev.
Deterministic PDF tools for AI agents: inspect fields, fill forms, merge PDFs, invoices.
Connect AI agents to Blog2Social and automate social media content workflows via MCP.
Collect verified customer information with one request
The official hosted MCP server for the Unipile API. Your coding agent reads the exact API contract for LinkedIn (Classic, Sales Navigator, Recruiter), WhatsApp, Instagram, Telegram, Gmail, Outlook, IMAP and Google/Outlook Calendar, writes your integration in your stack, and tests each call on your own connected accounts. Five tools cover every route: search-endpoints, get-endpoint, list-endpoints, list-specs, execute-request. Key: a scoped Account API key in the X-API-KEY header, optional for reading the docs.
Preconfigured AI tools for the back office. Speaker separation, mermaid diagrams, meeting summarize, invoice processing, youtube analyzer, AI session inspection
Turn finished agent work into a shareable, updatable web page that opens in WeChat. OAuth required.