"Identifying Servers Without Any API Key Configuration" matching MCP connectors:

Agentic scheduling & booking for field service: availability, jobs, customers, crews, fleet.

Physical mail API for AI agents. Send letters, certified mail. Sandbox + live keys via MCP.

Secureship MCP gives AI assistants access to a multi-carrier shipping API covering rate comparison, label generation, package tracking, pickup scheduling, address book management, shipment history, customs documents, and more — across carriers like UPS, FedEx, Purolator, Canpar, and others. Browse 150+ live endpoint schemas, parameters, and auth details — always current, never stale.

Fill any PDF form from your AI agent — in a single tool call.

Mila is an AI-native collaborative platform for documents, spreadsheets, and slide presentations. The Mila MCP server lets AI assistants create, read, update, and manage office documents programmatically. 23 MCP tools covering documents, sheets, slides, and servers. Get your API key at https://mila.gg/api-keys.

Read-only fantasy analysis for ESPN, Yahoo, and Sleeper leagues via MCP

Fill standard legal agreement templates (NDAs, SAFEs, NVCA docs, employment) as DOCX files.

Fire-and-forget webhooks for agents with guaranteed, retried delivery and status polling. x402

Build, edit, and deploy Telegram bots on FlowCastle's hosted visual flow platform.

Self-hosted MCP gateway: turn any API, database or MCP server into AI connectors — no code.

Apideck Unified API MCP — 330 tools across 200+ SaaS connectors (accounting, CRM, HRIS, ATS).

Build, validate, deploy — HTTP APIs, cron jobs, webhooks and MCP tools — from your AI client.

Validiert E-Rechnungen (ZUGFeRD/Factur-X, XRechnung) gegen EN 16931 mit Korrekturvorschlägen.

Deterministic recipe verification engine — validates AI-generated recipes against master SOPs.

E-signatures for agents: mint a sandbox key, send PDFs, track status, download the sealed result.

Faceless micro-SaaS system for employed professionals. Build $4K/mo without quitting

Multi-carrier shipping functionality with built-in, discounted carrier accounts. Compare rates, generate PDF shipping labels, schedule pickups and track packages in automated way or in your chatbox, no coding required. This is a demo server that is functional with no account needed and no auth. For production use please find our production version.

Remote MCP server for agents that create, edit, validate, and publish Fine Structure apps.

AI-ready GIS, geofencing, DataSynch, CRM, inventory, routing, APIs, telemetry and workflows.

Reserve a subdomain, upload .zip via MCP, get a link. Optional document API at api.demo.st.