A² Playground | Test MCP, A2A & REST Agentic Assets

A² Playground

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You can still run MCP, A2A and REST requests as a guest — just without a saved library.

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Design MCP Servers

Create MCP servers from scratch, import from URLs, or convert OpenAPI specifications

• Import from HTTP-Streamable endpoints
• Convert OpenAPI specs to MCP
• Design MCP Servers from scratch

Download / Upload Specs

Share your MCP server & Agent Card specs in standard JSON format

• Download specifications as JSON
• Create new by uploading JSON specs
• Enable/disable tools & resources

Publish to Exchange

Seamlessly publish your MCP and Agent Card specs to Anypoint Exchange

• Direct Exchange integration
• Secure credential management
• One-click publishing

Design A2A Agent Cards

Create A2A agent cards with reusable skills

• Define agent skills and capabilities
• Import from URLs or create custom
• Manage input/output modes

Secure Mocking Services

Test your MCP servers and Agent Cards with built-in mock execution

• Mock data scenarios for each tool
• Live endpoint testing
• Different Authentication types

Compliance & Rules

Ensure quality with organization-level design rules

• Configurable validation rules for high quality design
• Real-time compliance checking
• Visual violation reporting

Automated Testing

Run test suites against your MCP servers and Agent Cards with configurable environments and coverage

• Run test suites and track results per test and environment
• View run reports with pass/fail and detailed assertions
• Track coverage by environment and asset

Agent Asset Playground

Try tools, resources, and prompts live from server and Agent Card detail views

• Protocol tester for MCP and A2A built into each asset
• Invoke tools, resources, and prompts with mock scenarios
• Live endpoint testing with auth and custom headers

Bring Your Own AI Key

Use your own AI provider keys for AI-assisted design and generation

• Add OpenAI, Anthropic, or custom providers in Settings
• Encrypted API key storage and test connection
• Powers AI-assisted tools, scenarios, and test case generation

Exploratory Sessions

Collect feedback from users through shareable exploratory sessions and capture real usage data

• Create shareable sessions and invite users to try tools and prompts
• Capture interactions and entity usage for analysis
• Review captured data and optional feedback from participants

Organization-level Invites

Invite members to your organization and manage access with clear roles

• Send email invites to join your organization
• Accept or manage pending invites from Settings
• Owner and member roles with organization-scoped assets

Manage Environments for Assets

Define and manage environments (e.g. Mock, Pre-prod, Prod) for MCP Servers and Agent Cards

• Add and configure environments per asset for targeted testing
• Run tests against different environments and track results
• View coverage by environment and asset in the dashboard

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A² Playground

Test MCP, A2A and REST protocols with live requests.