CSV and Google Sheets MCP server and REST API for AI agents
Verifiable identity and proof-of-action for AI agents
Stage
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Founded
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Based in
NL
AE
Pricing model
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Pricing
Free: €0, 3 datasets, 100,000 rows per dataset, 1,000 queries per day, 2 people. Pro: €12/month or $12/month, 25 datasets, 2,000,000 rows per dataset, 50,000 queries per day, 5 people per workspace. Business: Custom pricing.
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Key features
Automatic dataset linking by shared IDs and codes
Supports MCP protocol for Claude, ChatGPT, and Cursor
REST API for apps and automations
Automatic version tracking on data changes
Team collaboration with role-based access
Messy file import with validation reports
EU data hosting with no AI provider access
Activity logs showing data changes and queries
Ed25519 signed receipts with hash-chaining
TypeScript and Python SDKs
Agent discovery and trust lookup
One-call integration with OpenAI and Anthropic
What makes it different
Query results use 475 times fewer tokens than pasting entire sheets
Exact totals computed by database instead of estimated by AI
Read-only by design prevents agents from modifying data
Hosted in EU with automatic backups and 14-day retention
One MCP URL works across multiple AI agent platforms
Open protocol verifiable offline without trusting Zanii
Cryptographic proof of delegated authority and action
Immutable append-only log anchored to public blockchain
Verifiable agent identity with delegation and scoped permissions
datatomcp