1 ROOT · D0 node

Clearing Access Economics Model art-49-clearing-access-model-selector

clearing_model (self/sponsored/intermediated),cost_basis,margin_requirements feed Stage 2 FICC netting

MCP Call · model_clearing_access_economics

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

2 D1 node

FICC Margin Netting Estimator art-50-ficc-margin-netting-estimator

initial_margin_netting_benefit,net_im_usd,portfolio_offset feed Stage 3 repo haircut

MCP Call · estimate_ficc_margin_netting

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

3 D2 catalog

Repo Haircut & Collateral Calculator 508-repo-haircut-collateral-calculator

haircut_pct,collateral_value,eligible_assets,dtc_eligible feed Stage 4 cross-margin benefit

MCP Call · calculate_repo_haircut

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

4 D3 node

Cross-Margining Benefit Estimator art-51-cross-margining-benefit-estimator

cross_margin_savings_usd,portfolio_offset_pct,netting_set feed Stage 5 collateral mobilization

MCP Call · estimate_cross_margin_benefit

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

5 TERMINAL catalog

Margin Call & Collateral Mobilizer 513-margin-call-collateral-mobilizer

mobilization_plan,eligible_pool,shortfall_flag feed Stage 5 tokenized eligibility

MCP Call · mobilize_margin_collateral

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

6 TERMINAL catalog

Tokenized Collateral Eligibility Checker 505-tokenized-collateral-eligibility-checker

eligibility_verdict,dtc_clearable,hqla_tier -- Exports US treasury clearing mandate -- final stage

MCP Call · check_tokenized_collateral_eligibility

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

US Treasury Clearing Chain