Live Protocol Adoption Metrics

Real-time tracking across 5 agentic advertising protocols. Data from GitHub, npm, PyPI, and public registries.Updated April 15, 2026

Protocol Rankings

#1
MCPStable
Stars7.8K
Downloads/wk92M
Contributors346
30d momentum+1.7%
#2
A2ABeta
Stars23.2K
Downloads/wk
Contributors140
30d momentum+1.1%
#3
AdCPBeta
Stars206
Downloads/wk2.3K
Contributors18
30d momentum+3.5%
#4
Agentic AudiencesFinal
Stars32
Downloads/wk
Contributors3
30d momentum+10.3%
#5
ARTFDraft
Stars19
Downloads/wk
Contributors7
30d momentum+0.0%

Adoption Trends

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Geographic Distribution

73 total deployments across 9 countries

Category Breakdown

Companies Using Multiple Protocols

8 companies adopted 2+ protocols

PubMatic
AdCPMCPA2AARTF
Prebid.org
AdCPMCPA2A
Amnet/Dentsu
AdCPMCP
Google
A2AMCP
HyperMindZ
MCPAdCP
IAB Tech Lab
ARTFAgentic Audiences
Optable
AdCPMCP
Yahoo
AdCPMCP

Deployment Directory

Known protocol deployments across companies worldwide.

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