bank-postgres-mcp
bank-postgres-mcp
HTTP-MCP-Server, der aus einer PostgreSQL-Datenbank (bankdb) liest und in diese schreibt.
Bereitgestellt und erreichbar unter: https://armored-backspace-angles.ngrok-free.dev/mcp
Endpunkte
Pfad | Methode | Zweck |
| POST | MCP Streamable HTTP-Endpunkt |
| GET | Lebendigkeitsprüfung |
Related MCP server: db-mcp
Tools
Lese-Tools (direkte Abfrage von bankdb)
Tool | Beschreibung |
| Alle Kunden in der Datenbank auflisten |
| Kundenprofil + alle Konten anhand der customer_id abrufen |
| Kunden + Konto anhand der Kontonummer (z. B. |
| Aktuelle Transaktionen anhand der account_id oder account_number abrufen |
Schreib-Tools (Upsert in MCP-Dump-Tabellen)
Tool | Aktion |
| Upsert eines abgerufenen Kundendatensatzes in |
| Einfügen eines neu erstellten Kunden in |
| Upsert eines Bankfilialdatensatzes in |
Tabellen werden bei der ersten Nutzung automatisch erstellt.
Einrichtung
1. Voraussetzungen
Node.js ≥ 18
PostgreSQL läuft lokal
2. Installieren und erstellen
cd bank-postgres-mcp
npm install
npm run build3. Umgebung konfigurieren
cp env.example .env
# .env is gitignored — edit credentials thereBereitgestellte Anmeldedaten:
DATABASE_URL=postgresql://bankuser:bankpassword@localhost:5432/bankdb
POSTGRES_HOST=localhost
POSTGRES_PORT=5432
POSTGRES_DB=bankdb
POSTGRES_USER=bankuser
POSTGRES_PASSWORD=bankpassword4. Server starten
# Export env vars, then start
export DATABASE_URL=postgresql://bankuser:bankpassword@localhost:5432/bankdb
node build/index.js
# Or with all vars:
export POSTGRES_HOST=localhost POSTGRES_PORT=5432 POSTGRES_DB=bankdb \
POSTGRES_USER=bankuser POSTGRES_PASSWORD=bankpassword
node build/index.jsDer Server startet standardmäßig auf http://localhost:3100. Überschreiben mit PORT=XXXX.
5. Überprüfen
curl http://localhost:3100/health
# → {"status":"ok","server":"bank-postgres-mcp","version":"1.0.0"}Registrierung in watsonx Orchestrate
Fügen Sie in Orchestrate eine neue MCP-Server-Tool-Integration hinzu:
Feld | Wert |
Transport | Streamable HTTP |
URL |
|
Wenn Orchestrate remote (nicht auf Ihrem Laptop) ausgeführt wird, machen Sie den Server über einen Tunnel zugänglich:
npx localtunnel --port 3100 # Use the returned https URL instead of localhost
Registrierung in Bob (.bob/mcp.json)
{
"mcpServers": {
"bank-postgres-mcp": {
"url": "http://localhost:3100/mcp"
}
}
}Datenbankschema
customers
Spalte | Typ | Hinweise |
| TEXT PK | |
| TEXT | |
| TEXT | |
| TEXT | |
| TEXT | |
| TEXT | PII |
| TEXT | PII |
| TEXT | PII |
| TEXT | |
| TEXT | line1, line2, city, state, postal_code, country |
| TEXT | |
| TEXT | |
| NUMERIC | |
| INT | |
| TEXT | |
| TEXT |
|
| TIMESTAMPTZ | automatisch |
| TIMESTAMPTZ | automatisch |
bank_branches
Spalte | Typ | Hinweise |
| TEXT PK | |
| TEXT | |
| TEXT | |
| TEXT | |
| TEXT | |
| TEXT[] | |
| TIMESTAMPTZ | automatisch |
| TIMESTAMPTZ | automatisch |
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Maintenance
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