A2A
AgentGitHubActiveShell
Agent2Agent (A2A) is an open protocol enabling communication and interoperability between opaque agentic applications.
Description provenance: Original source
Measured: Oct 20, 2026 · 68 observations
Domains & Uses
- Domains
- Agents, skills and MCP
Check at the source
Compatibility and prerequisites must be checked in the official documentation.
https://github.com/a2aproject/A2AClassifications
- Nature
- Tool
Measurement history
Comparable readings are grouped by signal and unit.
Stars
26,221stars · Oct 20, 2026
+81 (+0.3 %)since Oct 14, 2026
Exact values · 7 readings
| Measured | stars | Change |
|---|---|---|
| 26,221 | +22 | |
| 26,199 | +4 | |
| 26,195 | +10 | |
| 26,185 | +16 | |
| 26,169 | +15 | |
| 26,154 | +14 | |
| 26,140 | · |