Test Your Agent Card

Quick schema validation and formatting checks. For complete validation, use the CLI.

Instant results

No installation

Agent Card Input

Ready to Validate

Enter your agent card JSON or URL and click validate to get started

CLI Tool Exclusive Features

Want Complete Validation?

This web tool covers schema basics. The CLI tests live endpoints, verifies signatures, and validates real connectivity.

CLI Features

🔐

JWS Signature VerificationNEW v1.2.5

Cryptographically verify agent card authenticity using RFC 7515 compliant JWS signatures

Web: Not Available

Live Endpoint Testing

Actually connects to your agent endpoints and validates JSONRPC, GRPC, and HTTP+JSON transports

CLI: Full Testing

Production CI/CD Integration

SARIF and JSON output formats designed for automated testing pipelines

Web: Interactive Only

Advanced Compliance Modes

Registry-ready validation, strict compliance, and conservative mode checking

Web: Basic Only

Zero Network Dependencies

Self-contained validation with no external service requirements

Web: Limited by Browser

Get Full Validation Power View CLI Features

Choose your installation method:

Node.js (Most Popular):

npm install -g capiscio-cli

Python:

pip install capiscio

Standalone Binary (No Dependencies):

Validate with signature verification (automatic):

capiscio validate ./agent-card.json

Test actual endpoints:

capiscio validate https://agent.com

CI/CD integration:

capiscio validate ./agent.json --json --errors-only

Ready to Validate Like a Pro?

You've seen the basics work. The CLI unlocks the full power: live endpoint testing, cryptographic signatures, and CI/CD automation.

Web ✓

Schema Validation

What you just used

CLI +

Live Endpoints

Actually test your agent

CLI +

JWS Signatures

Cryptographic proof

Stop guessing if your agent works. Test it for real.

Stop Testing Schemas. Start Testing Reality.

Move beyond basic validation. Test live endpoints, verify signatures, automate your pipeline.

CLI Documentation →