v2.3.1 • Latest Release

Download the CapiscIO CLI

Validate A2A agent cards and run agent identity and integrity checks from your terminal.

Choose your preferred installation method: package managers for easy updates, or standalone binaries for CI and air-gapped environments.

Managed Install

Recommended for most users. These wrappers auto-download and update the Go binary for you.

Method	What You Get	Best For	Installation
NPM	Wrapper + Go binary	Node.js projects, npx usage, auto-updates	`npm install -g capiscio`
Pip	Wrapper + Go binary	Python projects, virtualenvs, auto-updates	`pip install capiscio`
Binary	Go binary only	CI/CD, containers, air-gapped environments	Download below

💡 All methods install the same high-performance Go binary. Choose based on your existing toolchain.

Node.js (npm)

Zero external runtime dependencies. Ready to drop into CI/CD and air gapped environments.

Built from the Go core for performance and portability

No runtime dependencies

Windows x64

Windows 10/11 (Intel/AMD)

~15MB

macOS Intel

macOS (Intel processors)

~18MB

macOS Apple Silicon

macOS (M1/M2/M3/M4)

~17MB

Linux x64

Linux (Intel/AMD)

~18MB

Installation Instructions

chmod +x capiscio-*
sudo mv capiscio-* /usr/local/bin/capiscio
capiscio --version

Move-Item capiscio-windows-amd64.exe capiscio.exe
.\capiscio.exe --version

💡 Pro tip: Add the binary directory to your PATH to use capiscio from anywhere.

Test your installation with a quick validation command

capiscio --version

# Validate an A2A agent card

capiscio validate agent-card.json

# Or validate and test a live endpoint

capiscio validate https://example.com/agent-card.json --test-live