Registry › Compare › A2A / Agent2Agent Protocol vs CLI-Anything

A2A / Agent2Agent Protocol vs CLI-Anything

A2A / Agent2Agent Protocol leads on trust: 89.8/100 (Grade A) against 79.0/100 (Grade B), a 10.8-point gap. A2A / Agent2Agent Protocol leads on supply-chain integrity and maintenance, and rests on broader evidence.

A A2A / Agent2Agent Protocol 89.8

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

a2aproject/A2A · #27 overall · #4 Protocols & Tool Integration · coverage A (4/5)

Choose A2A / Agent2Agent Protocol if supply-chain integrity and maintenance matter most.

+5.5Safety / Integrity: 100% of recent commits signed, against 66%
+3.6Maintenance: last push today, against 27d ago
+3.4Adoption: 2.7M weekly downloads against 2k
+2.6Transparency: OSSF Scorecard 7.0 against 3.9

B CLI-Anything 79.0

"CLI-Anything: Making ALL Software Agent-Native" -- CLI-Hub: https://clianything.cc/

HKUDS/CLI-Anything · #182 overall · #10 Protocols & Tool Integration · coverage B (3/5)

CLI-Anything doesn't lead on any scored dimension in this pair.

Where they differ

21.2

Safety / IntegrityA2A / Agent2Agent Protocol +5.5

15.7

14.4

TransparencyA2A / Agent2Agent Protocol +2.6

11.8

17.6

MaintenanceA2A / Agent2Agent Protocol +3.6

14.0

19.2

AdoptionA2A / Agent2Agent Protocol +3.4

15.8

-0.6

Runtime calibrationCLI-Anything +4.3

+3.7

1 dimension identical: Identity 18.0 · Full evidence table

An independent, evidence-based trust comparison of A2A / Agent2Agent Protocol and CLI-Anything, two Protocols & Tool Integration projects in the HVTracker registry. Scores come from public, checkable signals — supply-chain provenance, OSSF Scorecard, maintenance, and adoption — not popularity.

Full evidence

Signal	A2A / Agent2Agent Protocola2aproject/A2A	CLI-AnythingHKUDS/CLI-Anything
HVTrust score	89.8	79.0
Evidence grade	A	B
Coverage grade	A	B
Overall rank	#27	#182
Rank in Protocols & Tool Integration	#4	#10
GitHub stars	26.2k	55.1k
Last updated	today	27d ago
Build provenance	Yes	Yes
OSSF Scorecard	7.0 / 10	3.9 / 10
License	Apache-2.0	Apache-2.0
Downloads	2.7M/wk	2k/wk
Trust dimensions (points earned)
Safety / integrity / 25	21.2	15.7
Identity & provenance / 18	18.0	18.0
Transparency / 17	14.4	11.8
Maintenance / 20	17.6	14.0
Adoption / 20	19.2	15.8
Runtime capability surface (full matrix)
MCP server	—	—
External providers	—	1 — Anthropic
Requires API keys	No	No
Plugin surface	extensions	plugins
Provenance drift	Unknown	Match

Open in the live compare tool → A2A / Agent2Agent Protocol profile CLI-Anything profile More Protocols & Tool Integration →

How to read this: HVTrust (0–100) weighs supply-chain signals (provenance, OSSF Scorecard, signed commits, open license) alongside real-world adoption, scaled by an evidence-confidence factor. Grade bands: A ≥ 80, B ≥ 65, C ≥ 50, D < 50. Signals refresh daily. Full methodology v4.4 →