awesome-a2a vs awesome-mcp-servers
Directories for discovering AI agent protocol projects
awesome-a2a catalogs servers, clients, frameworks, and tools built around Google's Agent2Agent protocol. awesome-mcp-servers catalogs reference, official, and community servers for the Model Context Protocol, with a website route for submissions; the two directories focus on different protocols and project types.
awesome-a2a: Find Agent2Agent Servers, Tools, and Frameworks
A curated directory of Agent2Agent (A2A) protocol servers, clients, frameworks, and tools. Built around Google's A2A protocol, it helps developers discover implementations and services for interoperable AI agent systems.
awesome-mcp-servers: Discover MCP Servers for AI Clients
A curated directory of Model Context Protocol servers, spanning reference implementations and integrations for services, tools, and data sources. Use it to find an MCP server suited to an AI client or workflow.
| awesome-a2a | awesome-mcp-servers | |
|---|---|---|
| License | MIT | MIT |
| Stars | 191 | 4.3k |
| Forks | 109 | 2.1k |
| Last analyzed | Nov 7, 2026 | Oct 3, 2026 |
Key differences
- awesome-a2a covers A2A servers as well as clients, tutorials, frameworks, and protocol utilities; awesome-mcp-servers focuses on MCP servers.
- awesome-a2a groups server entries by service category and may label language, scope, operating system, and official status; awesome-mcp-servers separates entries into reference, official, and community categories.
- awesome-a2a includes projects combining A2A with MCP and agent payment or trust systems; awesome-mcp-servers includes reference implementations demonstrating MCP tools, prompts, and resources.
- awesome-a2a accepts contributions through repository activity, while awesome-mcp-servers directs submissions through its website and does not accept pull requests.
- Both repositories are MIT licensed, but their listings link to third-party projects whose licenses, maturity, and maintenance can vary.
- awesome-a2a reports 191 stars and 109 forks; awesome-mcp-servers reports 4.3k stars and 2.1k forks.
Choose awesome-a2a if you…
- need to discover A2A servers, clients, frameworks, or protocol utilities.
- want to browse A2A implementations by service category or available language and scope labels.
- are learning Google's A2A protocol and want to start with listed samples or tutorials.
Choose awesome-mcp-servers if you…
- need to find MCP servers connecting AI clients with services, tools, or data sources.
- want to compare reference, official, and community MCP server listings.
- are exploring MCP examples or proposing a server through a website submission route.
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This comparison is generated with AI from the OSRepos analyses of both projects. Always check each project's repository and documentation before choosing.