Name: Food Traceability & 24-Hour Recall (FSMA 204)
Author: Post Oak Labs

1ROOT · D0node

FSMA 204 Critical Tracking Event (CTE) Validator art-118

Validated CTE KDEs feed lot code linkage

MCP Call · validate_fsma204_cte

{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "name": "validate_fsma204_cte",
    "arguments": {
      "cte_type": "shipping",
      "kdes": {
        "traceability_lot_code": "TLC-2026-SPINACH-001",
        "ship_to_location": "GLN-0312345000016",
        "ship_date": "2026-06-01",
        "quantity": "500 lbs",
        "reference_document": "BOL-20260601-001"
      },
      "ftl_food": "fresh cut spinach"
    }
  },
  "id": 1
}

2D1node

FSMA 204 Traceability Lot Code Chain Linker art-119

Lot code lineage feeds recall trace resolution

MCP Call · link_traceability_lot_code

{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "name": "link_traceability_lot_code",
    "arguments": {
      "events": [
        {"cte":"harvesting","tlc":"TLC-001","prev_tlc":null,"location_gln":"GLN-FARM","date":"2026-05-01"},
        {"cte":"shipping","tlc":"TLC-001","prev_tlc":"TLC-001","location_gln":"GLN-DC","date":"2026-05-03"},
        {"cte":"receiving","tlc":"TLC-001","prev_tlc":"TLC-001","location_gln":"GLN-STORE","date":"2026-05-05"}
      ]
    }
  },
  "id": 2
}

3TERMINAL · D2node

FSMA 204 Recall Trace Resolver (24-Hour FDA List) art-120

Exports recall trace artifact with execution_hash — final stage

MCP Call · resolve_recall_trace

{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "name": "resolve_recall_trace",
    "arguments": {
      "contaminated_tlc": "TLC-CONTAM",
      "direction": "both",
      "edges": [
        {"from_tlc":"TLC-FARM-A","to_tlc":"TLC-CONTAM","from_gln":"GLN-001","to_gln":"GLN-002","date":"2026-05-01"},
        {"from_tlc":"TLC-CONTAM","to_tlc":"TLC-STORE-1","from_gln":"GLN-002","to_gln":"GLN-003","date":"2026-05-05"}
      ]
    }
  },
  "id": 3
}