A2A MCP Server

by a2aproject• 26k•• Scanned•Claim this listing•Request removal
Othera2aa2a mcpa2a protocola2a serveragents

Agent2Agent (A2A) is an open protocol enabling communication and interoperability between opaque agentic applications.

A2A is an open-source mcp server by a2aproject, written mainly in Shell, with 26,369 GitHub stars and the Apache-2.0 license. Its code was last updated Nov 1, 2026.

Scan summary: scanned Nov 5, 2026 at commit 9fff3e0. No capabilities flagged by our checks. Scan policy

What A2A can touch

  • Run shell commandsNot seen in this scan
  • Run dynamic codeNot seen in this scan
  • Read or write filesNot seen in this scan
  • Read environment and secretsNot seen in this scan
  • Control a web browserNot seen in this scan
  • Connect to databasesNot seen in this scan
  • Read or send messagesNot seen in this scan
  • Touch money or tradingNot seen in this scan
  • Connect to the internetNot run in this scan

"Not seen" means our checks did not find it, and the tool may still do it. Covers commit 9fff3e0, Nov 5, 2026. See the scan policy.

Before you install A2A

AgenticMart scanned A2A on Nov 5, 2026 with automated checks for hidden code, known-malicious packages, leaked secrets and vulnerable dependencies. The result covers one commit under our scan policy, so review what access you give it and check any advisories shown here.

What it can access

  • An MCP server is a program your AI app starts and talks to. A local one runs with your user's permissions: it can see the files, environment variables and network your account can.

Before you install

  1. Pin the version you reviewed instead of always installing the latest release.
  2. Read the tool list or scripts before the first run, and keep approval prompts on for actions that write, send or delete.
  • Maintained by a2aproject on GitHub, 26,369 stars and 2,686 forks. Popularity is not proof of safety.
  • Last code change: Nov 1, 2026.
  • Open-source license: Apache-2.0.

A2A is an open-source mcp server by a2aproject, written mainly in Shell. Agent2Agent (A2A) is an open protocol enabling communication and interoperability between opaque agentic applications.

At a glance

Stars
26k
Forks
2.7k
Language
Shell
License
Apache-2.0
Created
Mar 2025
Last update
Nov 1, 2026
Type
MCP Server
Price
Free

Topics

a2aa2a-mcpa2a-protocola2a-serveragentsgenerative-ailinux-foundation

Questions about A2A

What is A2A?

Agent2Agent (A2A) is an open protocol enabling communication and interoperability between opaque agentic applications.

Who maintains A2A?

A2A is maintained by a2aproject on GitHub (a2aproject/A2A). AgenticMart lists it from public repository data.

Is A2A safe to use?

AgenticMart scanned A2A on Nov 5, 2026 with automated checks for hidden code, known-malicious packages, leaked secrets and vulnerable dependencies. The result covers one commit under our scan policy, so review what access you give it and check any advisories shown here.

What license does A2A use?

It is published under the Apache-2.0 license.

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