1 ROOT · D0 node

Tempo MPP Agent Mandate art-36-tempo-mpp-agent-mandate

session_mandate and execution_hash (H1) + AP2 mapping feed Stage 2 mandate validation

MCP Call · decode_mpp_session

{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "name": "decode_mpp_session",
    "arguments": {}
  },
  "id": 1
}

2 D2 node

AP2 Mandate-Chain Validator art-01-ap2-mandate-chain-validator

ap2_mandate verdict and execution_hash (H2) feed Stage 3 spend-policy simulation

MCP Call · validate_ap2_mandate_chain

{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "name": "validate_ap2_mandate_chain",
    "arguments": {}
  },
  "id": 1
}

3 D3 node

Agent Spend-Policy Simulator art-02-agent-spend-policy-simulator

spend_policy verdict and execution_hash (H3) feed Stage 4 KYA attestation

MCP Call · simulate_spend_policy

{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "name": "simulate_spend_policy",
    "arguments": {}
  },
  "id": 1
}

4 TERMINAL · D4 node

Exports composite MPP agent mandate with execution_hash (H4) -- final stage

MCP Call · check_agent_attestation

{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "name": "check_agent_attestation",
    "arguments": {}
  },
  "id": 1
}