About this tool

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.

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# 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