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A2A / Agent2Agent Protocol

google/A2A

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

Protocols & Tool Integration Shell Grade B
67.0
Activity Score · out of 100
45.5
HVTrust Score · out of 100
#54
Global Rank · of 171
#2
In Protocols & Tool Integration

Rank Trend

2026-05-25 2026-05-26

Activity & Reach

Stars
24.0k
Forks
2.4k
Last Push
2026-05-26
today
Commits (4 wk)
—?
Downloads (7d)
2,472,023
pypi
HN mentions (30d)
1
Open Issues
266
Rank Change
▲6
was #60

Score Breakdown

Stars (max 30)
26.3
Freshness (max 25)
25.0
Activity (max 25)
0.0
Community (max 20)
15.7

HVTrust Breakdown 45.5 / 100

Activity (max 25)
15.0
Adoption (max 20)
18.5
Transparency (max 20)
0
Safety (max 20)
5
Identity (max 15)
7

Supply Chain Trust

Package Provenance
Verified
pypi attestation
OSSF Scorecard
—
Not available
Signed Commits
—
Unable to query

Reputation Timeline

2026-05-25 🟢
listed
First tracked at rank #60
Compare This Agent GitHub → PyPI: a2a-sdk

Embed Badge

HVTrust 45.5 Grade B
Markdown:
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HTML:
<a href="https://hvtracker.net/agents/a2a-agent2agent-protocol"><img src="https://hvtracker.net/badge/a2a-agent2agent-protocol.svg" alt="HVTrust"></a>

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