Proof of what an AI agent was allowed to do, and what it then did
Analytics expert and auditor inside Claude that checks GA4, Google Tag Manager, consent, Meta and Google Ads with 167 expert rules and answers business questions across your marketing data.
Stage
Startup
Not given
Founded
2026
Not given
Based in
Not given
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Pricing model
Open source
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Pricing
Not given
Free: 100 credits (no card required). Starter: $19/month for 1,000 credits. Pro: $49/month for 5,000 credits. Agency: $149/month for 30,000 credits. Individual tool calls cost 1-10 credits depending on complexity.
Key features
Signed permissions with passkey authentication
Receipts for each agent action with signatures
Free checker tool to verify compliance
Quantum-safe signatures (Ed25519 and ML-DSA-87)
Permission narrowing for helper agents
Permission cancellation with signed acknowledgement
JavaScript and Python libraries
LangChain and Pydantic AI middleware
GA4 property audits with 89 expert checks
Real-browser page tracking inspection and validation
Live conversion testing with form submission
Business intelligence across GA4, Meta, Search Console and CRM
Branded report generation in Excel, Word, PDF and PowerPoint
Integration with Claude, Cursor and VS Code via MCP
What makes it different
Only open-source project combining machine-checkable limits, permission narrowing for helpers, and signed permission cancellation
Built entirely from published standards with no hand-made components
Free and no dependencies, sends nothing anywhere or holds money
Distinguishes between record integrity and whether agent stayed within permission
All published versions stay available for backward compatibility
Real-browser proof of tracking, not config checks alone
Provared
MarStack