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@teta-pi

TETA+PI

Central trust registry for Agent Internet. C2PA · Bitcoin Timestamps · MCP · Root CA.

TETA+PI (Θ+π)

Trust Infrastructure for Digital Entities.

AI agents are already searching, booking, and transacting autonomously — but there's no standard way to verify who they're dealing with. People, companies, APIs, AI models, MCP servers, and agents all need a way to prove who they are and be found. TETA+PI closes that gap.

What we build

Repo Description
api FastAPI backend — registry/email/domain verification, C2PA + Bitcoin proof chain
web Next.js 15 app — claim and manage a verified profile
mcp MCP server — 7 tools exposing the registry to AI agents
landing Marketing site — tetapi.dev
infra Canonical docs + deploy configuration

The analogy

SSL made HTTPS trustworthy. MCP connected agents to tools. TETA+PI makes digital entities verifiable.

Connect an agent

{
  "mcpServers": {
    "tetapi": {
      "url": "https://mcp.tetapi.dev/sse"
    }
  }
}

🌐 tetapi.dev

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  1. mcp-server mcp-server Public archive

    🗄 Archived 2026-07-14 — superseded by teta-pi/mcp, the real deployed MCP server

    1

  2. api api Public

    FastAPI backend for TETA+PI — verified entity registry: registry/email/domain verification, C2PA + Bitcoin OpenTimestamps proof chain, TWIRA ranking. PostgreSQL 16 + pgvector.

    Python 1

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