APIbase
FreeMaintainedUnified MCP gateway for AI agents with 56+ tools and growing. Travel (Amadeus, Sabre GDS), e-commerce, local services, financial markets (Polymarket), and marke
About
Unified MCP gateway for AI agents with 56+ tools and growing. Travel (Amadeus, Sabre GDS), e-commerce, local services, financial markets (Polymarket), and marketing APIs — all through a single endpoint. Pay-per-call via x402 micropayments in USDC.
README
One MCP + REST endpoint to 1386 tools from 401 providers. No signup, no subscription, no API key to start — pay per call in USDC (x402 on Base or MPP on Tempo).
Security Audit Deploy License: MIT MCP Registry Smithery MPPScan
Quick Start
{
"mcpServers": {
"apibase": { "url": "https://apibase.pro/mcp" }
}
}
That's the Claude Desktop config. Cursor, Windsurf, OpenAI Agents SDK, LangChain, Google ADK, CrewAI, Microsoft Copilot Studio, and plain REST: apibase.pro/connect.
For AI Agents
- llms.txt — concise LLM context
- ai.txt — plain-text agent discovery
- mcp.json — MCP server metadata
- openapi.json — OpenAPI 3.1 spec
- api-catalog — RFC 9727 discovery linkset
- Roadmap — planned/shipped changes that affect what an agent can do or see
For Merchants — Integrator
AI payment for merchants: a merchant gets its own MCP storefront, and a buyer's agent gets a quote and pays in USDC (x402 on Base, MPP on Tempo) straight to the merchant wallet. Non-custodial; fee 0% during the pilot.
- Overview — what it is and how to connect
- Agent guide — step-by-step connection for a merchant's agent
- WooCommerce plugin — catalog sync and paid-order webhook
- Demo shop — a live storefront
- Docs — operator and developer reference
Integrations & Registries
Registry listings: Smithery · Glama · MCP Registry (io.github.whiteknightonhorse/apibase) · PulseMCP · MPPScan
Self-Hosting
git clone https://github.com/whiteknightonhorse/APIbase.git && cd APIbase
cp .env.example .env # set POSTGRES_PASSWORD, X402_PAYMENT_ADDRESS, provider keys
docker compose -f docker-compose.yml -f docker-compose.prod.yml up -d
Full prerequisites, verification steps, and config reference: docs/self-hosting.md.
Architecture
Single Node.js/TypeScript API server, PostgreSQL as the append-only financial source of truth, Redis for cache/rate-limiting only, multi-container Docker stack on one Hetzner server. Every tool call runs the same multi-stage pipeline (escrow-first, idempotent, fail-closed, content-moderated) — dual-rail payments (self-hosted x402 facilitator + MPP), error-code contract, and full container/pipeline detail (exact counts, live): docs/architecture.md.
License
Install APIbase in Claude Desktop, Claude Code & Cursor
unyly install apibaseInstalls into Claude Desktop, Claude Code, Cursor & VS Code — handles npx, uvx and build-from-source repos for you.
First time? Get the CLI: curl -fsSL https://unyly.org/install | sh
Or configure manually
Run in your terminal:
claude mcp add apibase --env APIBASE_API_KEY="" -- npx -y apibase-mcp-clientStep-by-step: how to install APIbase
FAQ
Is APIbase MCP free?
Yes, APIbase MCP is free — one-click install via Unyly at no cost.
Does APIbase need an API key?
Yes, it requires environment variables: APIBASE_API_KEY. Unyly injects them into the config during install.
Is APIbase hosted or self-hosted?
A hosted option is available: Unyly runs the server in the cloud, no local setup required.
How do I install APIbase in Claude Desktop, Claude Code or Cursor?
Open APIbase on unyly.org, pick your client tab (Claude Desktop, Claude Code, Cursor) and press Install — the config is generated automatically, no JSON editing.
Changes
Versions and requested access over time.
- New version published
- New version published
- New version published
- New version published
- New version published
- New version published
- New version published
- New version published
Related MCPs
Opencode Omniroute Plugin
OpenCode plugin for the OmniRoute AI Gateway. Drives dynamic model discovery, /connect auth flow, and multi-instance OmniRoute providers via the official @openc
by GitHub ActionsRoblox Studio
Enables AI coding tools to control Roblox Studio for workspace exploration, instance manipulation, and script management. It provides tools for playtesting, sce
by paralovAntigravity Drawio
MCP server that enables AI assistants to create, parse, render, and validate Draw.io diagrams programmatically.
by S-SUJAN-SFetch
Web content fetching and conversion for efficient LLM usage.
AWS KB Retrieval
Retrieval from AWS Knowledge Base using Bedrock Agent Runtime.
by modelcontextprotocolSpring AI MCP Server
Provides auto-configuration for setting up an MCP server in Spring Boot applications.
llm-analysis-assistant
A very streamlined mcp client that supports calling and monitoring stdio/sse/streamableHttp, and can also view request responses through the /logs page. It also
by xuzexin-hzMCP-Agent
A simple, composable framework to build agents using Model Context Protocol by [LastMile AI](https://www.lastmileai.dev)
by lastmile-aiSpring AI MCP Client
Provides auto-configuration for MCP client functionality in Spring Boot applications.
mcp.natoma.ai
A Hosted MCP Platform to discover, install, manage and deploy MCP servers by [Natoma Labs](https://www.natoma.ai)
Compare APIbase with
Not sure what to pick?
Find your stack in 60 seconds
Author?
Embed badge for your README
Browse similar
All ai MCPs
