MCP Playground Online is a browser-based studio for building, testing, and running AI agents on top of MCP (Model Context Protocol) servers.
No SDKs to install. No local configuration. No infrastructure to manage.
MCP Agent Studio
Build, test, and deploy AI agents entirely from your browser.
Connect to Any MCP Server
Connect any MCP server by URL using:
- HTTP
- SSE
- Streamable HTTP
Deploy Hosted MCP Servers
Deploy hosted MCP servers in one click.
Launch Postgres, MongoDB, GitHub, Slack, Stripe, Notion, Playwright, and 40+ other servers instantly. Every deployment includes:
- Live HTTPS endpoint
- Bearer token
- Zero infrastructure setup
Test & Debug Agents
Test and debug agents with a built-in chat client that shows:
- Live tool calls
- Tool arguments
- Latency
- Raw responses
Compare AI Models Compare 40+ AI models from one interface, including:
- Claude
- GPT
- Gemini
- Grok
- DeepSeek
- Qwen
- GLM
- MiniMax
- Kimi
- And more
Start from Templates Create agents faster with preconfigured templates for:
- GitHub code review
- Stripe billing support
- Notion knowledge retrieval
- Sentry error triage
- Multi-server workflows
Collaborate Save and share agents with your team.
- Keep agents private
- Share across your organization
Export as APIs Turn any saved agent into a production-ready API.
Every exported agent includes:
- REST endpoint
- API key
The same agent you test in the browser can be used directly in production.
Hosted MCP Servers Deploy 50+ ready-to-run MCP servers, including:
- GitHub
- Slack
- Notion
- Linear
- Stripe
- Playwright
- MongoDB
- Elasticsearch
- Postgres
- And many more
Every deployment includes:
- Personal HTTPS endpoint
- Secret-managed environment variables
- Live logs and deployment monitoring
- Auto-restart and health checks
- One-click cleanup and management
No Docker. No npx. No port forwarding.
Just deploy and connect.
Free MCP Tools (No Signup Required)
MCP Test Client Connect to any MCP server, list tools, invoke tools, and inspect raw JSON-RPC traffic.
MCP Security Scanner Scan MCP servers for risky tool definitions and common security issues.
MCP Config Generator Generate ready-to-use configurations for:
- Claude Desktop
- Cursor
- Cline
MCP Token Counter Estimate token usage and costs across different AI providers.
MCP Server Directory Explore 10,000+ MCP servers with:
- AI-generated summaries
- Documentation
- Example prompts
