Handler

by alDuncanson · MCP Server · ★ 41

About Handler

Handler Handler is an open-source A2A protocol client for software engineers building, testing, and operating agentic systems. It provides an interactive TUI, a scriptable CLI with structured output, and an MCP server that lets other agents integrate with A2A services directly. Handler also supports global and repo-scoped A2A server configuration with bearer, API key, mTLS, and OAuth2 client credentials auth. Install Install Handler from the PyPI package as a u

a2aa2a-clia2a-clienta2a-protocola2a-serveradkagentaiai-agentscli

Quick Facts

Stars41
Forks2
LanguagePython
CategoryMCP Server
LicenseGPL-3.0
Quality Score66.3729462848451/100
Open Issues4
Last Updated2026-06-25
Created2025-11-16
Platformscli, mcp, python
Est. Tokens~14k

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Frequently Asked Questions

What is Handler?

Handler is A2A protocol client for your terminal. It is categorized as a MCP Server with 41 GitHub stars.

What programming language is Handler written in?

Handler is primarily written in Python. It covers topics such as a2a, a2a-cli, a2a-client.

How do I install or use Handler?

You can find installation instructions and usage details in the Handler GitHub repository at github.com/alDuncanson/Handler. The project has 41 stars and 2 forks, indicating an active community.

What license does Handler use?

Handler is released under the GPL-3.0 license, making it free to use and modify according to the license terms.

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