[T] Tools & MCP v2 Layer

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Overview

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1. Native Identity Verifier (verify_identity)

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Aadhaar Validation

• Rule: Must be exactly 12 numeric digits (cannot start with 0 or 1).
• Checksum: Mathematical validation using the Verhoeff algorithm (dihedral group $D_5$ permutation and multiplication tables).
• Privacy: Automatically masked as XXXX-XXXX-1234.

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PAN Card Validation

• Rule: 10-character alphanumeric regex: ^[A-Z]{5}[0-9]{4}[A-Z]{1}$.
• Taxpayer Classification: The 4th character determines entity classification (P = Individual, C = Company, F = Firm, H = HUF, T = Trust, G = Government).
• Privacy: Automatically masked as XXXXX1234X.

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2. Model Context Protocol (MCP)

• mcp:fetch — Safe HTTP fetcher tool (hub/mcp/fetch.json).
• mcp:agentmail — Transactional agent email delivery (hub/mcp/agentmail.json).
• mcp:neon — Postgres database operations (hub/mcp/neon.json).
• mcp:supabase — Supabase client operations (hub/mcp/supabase.json).

{
  "T": [
    "verify_identity",
    "mcp:fetch"
  ]
}