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<CodeGroup>
```ts Google
import fs from "node:fs/promises";
import path from "node:path";
import sqlite3 from "sqlite3";
import { SystemMessage, createAgent, tool } from "langchain";
import * as z from "zod";
const url =
"https://storage.googleapis.com/benchmarks-artifacts/chinook/Chinook.db";
const localPath = path.resolve("Chinook.db");
async function resolveDbPath() {
try {
await fs.access(localPath);
return localPath;
} catch {
// Chinook.db not present locally; download it.
}
const resp = await fetch(url);
if (!resp.ok)
throw new Error(`Failed to download DB. Status code: ${resp.status}`);
const buf = Buffer.from(await resp.arrayBuffer());
await fs.writeFile(localPath, buf);
return localPath;
}
// Below are minimal tools for demonstration purposes.
async function runQuery(query: string): Promise<Record<string, unknown>[]> {
const dbPath = await resolveDbPath();
const db = new sqlite3.Database(dbPath);
return new Promise((resolve, reject) => {
db.all(query, [], (err, rows) => {
db.close();
if (err) reject(err);
else resolve(rows as Record<string, unknown>[]);
});
});
}
async function getSchema() {
const tables = await runQuery(
"SELECT sql FROM sqlite_master WHERE type='table' AND name NOT LIKE 'sqlite_%';",
);
return tables.map((row) => String(row.sql)).join("\n\n");
}
const DENY_RE =
/\b(INSERT|UPDATE|DELETE|ALTER|DROP|CREATE|REPLACE|TRUNCATE)\b/i;
const HAS_LIMIT_TAIL_RE = /\blimit\b\s+\d+(\s*,\s*\d+)?\s*;?\s*$/i;
function sanitizeSqlQuery(q: string) {
let query = String(q ?? "").trim();
const semis = [...query].filter((c) => c === ";").length;
if (semis > 1 || (query.endsWith(";") && query.slice(0, -1).includes(";"))) {
throw new Error("multiple statements are not allowed.");
}
query = query.replace(/;+\s*$/g, "").trim();
if (!query.toLowerCase().startsWith("select")) {
throw new Error("Only SELECT statements are allowed");
}
if (DENY_RE.test(query)) {
throw new Error("DML/DDL detected. Only read-only queries are permitted.");
}
if (!HAS_LIMIT_TAIL_RE.test(query)) {
query += " LIMIT 5";
}
return query;
}
const executeSql = tool(
async ({ query }) => {
const q = sanitizeSqlQuery(query);
try {
const result = await runQuery(q);
return JSON.stringify(result, null, 2);
} catch (e) {
const message = e instanceof Error ? e.message : String(e);
throw new Error(message);
}
},
{
name: "execute_sql",
description: "Execute a READ-ONLY SQLite SELECT query and return results.",
schema: z.object({
query: z.string().describe("SQLite SELECT query to execute (read-only)."),
}),
},
);
const getSystemPrompt = async () =>
new SystemMessage(`You are a careful SQLite analyst.
Authoritative schema (do not invent columns/tables):
${await getSchema()}
Rules:
- Think step-by-step.
- When you need data, call the tool \`execute_sql\` with ONE SELECT query.
- Read-only; no INSERT/UPDATE/DELETE/ALTER/DROP/CREATE/REPLACE/TRUNCATE.
- Limit to 5 rows unless user explicitly asks otherwise.
- If the tool returns 'Error:', revise the SQL and try again.
- Limit the number of attempts to 5.
- If you are not successful after 5 attempts, return a note to the user.
- Prefer explicit column lists; avoid SELECT *.
`);
export const agent = createAgent({
model: "google-genai:gemini-3.6-flash",
tools: [executeSql],
systemPrompt: await getSystemPrompt(),
});
```
```ts OpenAI
import fs from "node:fs/promises";
import path from "node:path";
import sqlite3 from "sqlite3";
import { SystemMessage, createAgent, tool } from "langchain";
import * as z from "zod";
const url =
"https://storage.googleapis.com/benchmarks-artifacts/chinook/Chinook.db";
const localPath = path.resolve("Chinook.db");
async function resolveDbPath() {
try {
await fs.access(localPath);
return localPath;
} catch {
// Chinook.db not present locally; download it.
}
const resp = await fetch(url);
if (!resp.ok)
throw new Error(`Failed to download DB. Status code: ${resp.status}`);
const buf = Buffer.from(await resp.arrayBuffer());
await fs.writeFile(localPath, buf);
return localPath;
}
// Below are minimal tools for demonstration purposes.
async function runQuery(query: string): Promise<Record<string, unknown>[]> {
const dbPath = await resolveDbPath();
const db = new sqlite3.Database(dbPath);
return new Promise((resolve, reject) => {
db.all(query, [], (err, rows) => {
db.close();
if (err) reject(err);
else resolve(rows as Record<string, unknown>[]);
});
});
}
async function getSchema() {
const tables = await runQuery(
"SELECT sql FROM sqlite_master WHERE type='table' AND name NOT LIKE 'sqlite_%';",
);
return tables.map((row) => String(row.sql)).join("\n\n");
}
const DENY_RE =
/\b(INSERT|UPDATE|DELETE|ALTER|DROP|CREATE|REPLACE|TRUNCATE)\b/i;
const HAS_LIMIT_TAIL_RE = /\blimit\b\s+\d+(\s*,\s*\d+)?\s*;?\s*$/i;
function sanitizeSqlQuery(q: string) {
let query = String(q ?? "").trim();
const semis = [...query].filter((c) => c === ";").length;
if (semis > 1 || (query.endsWith(";") && query.slice(0, -1).includes(";"))) {
throw new Error("multiple statements are not allowed.");
}
query = query.replace(/;+\s*$/g, "").trim();
if (!query.toLowerCase().startsWith("select")) {
throw new Error("Only SELECT statements are allowed");
}
if (DENY_RE.test(query)) {
throw new Error("DML/DDL detected. Only read-only queries are permitted.");
}
if (!HAS_LIMIT_TAIL_RE.test(query)) {
query += " LIMIT 5";
}
return query;
}
const executeSql = tool(
async ({ query }) => {
const q = sanitizeSqlQuery(query);
try {
const result = await runQuery(q);
return JSON.stringify(result, null, 2);
} catch (e) {
const message = e instanceof Error ? e.message : String(e);
throw new Error(message);
}
},
{
name: "execute_sql",
description: "Execute a READ-ONLY SQLite SELECT query and return results.",
schema: z.object({
query: z.string().describe("SQLite SELECT query to execute (read-only)."),
}),
},
);
const getSystemPrompt = async () =>
new SystemMessage(`You are a careful SQLite analyst.
Authoritative schema (do not invent columns/tables):
${await getSchema()}
Rules:
- Think step-by-step.
- When you need data, call the tool \`execute_sql\` with ONE SELECT query.
- Read-only; no INSERT/UPDATE/DELETE/ALTER/DROP/CREATE/REPLACE/TRUNCATE.
- Limit to 5 rows unless user explicitly asks otherwise.
- If the tool returns 'Error:', revise the SQL and try again.
- Limit the number of attempts to 5.
- If you are not successful after 5 attempts, return a note to the user.
- Prefer explicit column lists; avoid SELECT *.
`);
export const agent = createAgent({
model: "openai:gpt-5.5",
tools: [executeSql],
systemPrompt: await getSystemPrompt(),
});
```
```ts Anthropic
import fs from "node:fs/promises";
import path from "node:path";
import sqlite3 from "sqlite3";
import { SystemMessage, createAgent, tool } from "langchain";
import * as z from "zod";
const url =
"https://storage.googleapis.com/benchmarks-artifacts/chinook/Chinook.db";
const localPath = path.resolve("Chinook.db");
async function resolveDbPath() {
try {
await fs.access(localPath);
return localPath;
} catch {
// Chinook.db not present locally; download it.
}
const resp = await fetch(url);
if (!resp.ok)
throw new Error(`Failed to download DB. Status code: ${resp.status}`);
const buf = Buffer.from(await resp.arrayBuffer());
await fs.writeFile(localPath, buf);
return localPath;
}
// Below are minimal tools for demonstration purposes.
async function runQuery(query: string): Promise<Record<string, unknown>[]> {
const dbPath = await resolveDbPath();
const db = new sqlite3.Database(dbPath);
return new Promise((resolve, reject) => {
db.all(query, [], (err, rows) => {
db.close();
if (err) reject(err);
else resolve(rows as Record<string, unknown>[]);
});
});
}
async function getSchema() {
const tables = await runQuery(
"SELECT sql FROM sqlite_master WHERE type='table' AND name NOT LIKE 'sqlite_%';",
);
return tables.map((row) => String(row.sql)).join("\n\n");
}
const DENY_RE =
/\b(INSERT|UPDATE|DELETE|ALTER|DROP|CREATE|REPLACE|TRUNCATE)\b/i;
const HAS_LIMIT_TAIL_RE = /\blimit\b\s+\d+(\s*,\s*\d+)?\s*;?\s*$/i;
function sanitizeSqlQuery(q: string) {
let query = String(q ?? "").trim();
const semis = [...query].filter((c) => c === ";").length;
if (semis > 1 || (query.endsWith(";") && query.slice(0, -1).includes(";"))) {
throw new Error("multiple statements are not allowed.");
}
query = query.replace(/;+\s*$/g, "").trim();
if (!query.toLowerCase().startsWith("select")) {
throw new Error("Only SELECT statements are allowed");
}
if (DENY_RE.test(query)) {
throw new Error("DML/DDL detected. Only read-only queries are permitted.");
}
if (!HAS_LIMIT_TAIL_RE.test(query)) {
query += " LIMIT 5";
}
return query;
}
const executeSql = tool(
async ({ query }) => {
const q = sanitizeSqlQuery(query);
try {
const result = await runQuery(q);
return JSON.stringify(result, null, 2);
} catch (e) {
const message = e instanceof Error ? e.message : String(e);
throw new Error(message);
}
},
{
name: "execute_sql",
description: "Execute a READ-ONLY SQLite SELECT query and return results.",
schema: z.object({
query: z.string().describe("SQLite SELECT query to execute (read-only)."),
}),
},
);
const getSystemPrompt = async () =>
new SystemMessage(`You are a careful SQLite analyst.
Authoritative schema (do not invent columns/tables):
${await getSchema()}
Rules:
- Think step-by-step.
- When you need data, call the tool \`execute_sql\` with ONE SELECT query.
- Read-only; no INSERT/UPDATE/DELETE/ALTER/DROP/CREATE/REPLACE/TRUNCATE.
- Limit to 5 rows unless user explicitly asks otherwise.
- If the tool returns 'Error:', revise the SQL and try again.
- Limit the number of attempts to 5.
- If you are not successful after 5 attempts, return a note to the user.
- Prefer explicit column lists; avoid SELECT *.
`);
export const agent = createAgent({
model: "anthropic:claude-sonnet-4-6",
tools: [executeSql],
systemPrompt: await getSystemPrompt(),
});
```
```ts OpenRouter
import fs from "node:fs/promises";
import path from "node:path";
import sqlite3 from "sqlite3";
import { SystemMessage, createAgent, tool } from "langchain";
import * as z from "zod";
const url =
"https://storage.googleapis.com/benchmarks-artifacts/chinook/Chinook.db";
const localPath = path.resolve("Chinook.db");
async function resolveDbPath() {
try {
await fs.access(localPath);
return localPath;
} catch {
// Chinook.db not present locally; download it.
}
const resp = await fetch(url);
if (!resp.ok)
throw new Error(`Failed to download DB. Status code: ${resp.status}`);
const buf = Buffer.from(await resp.arrayBuffer());
await fs.writeFile(localPath, buf);
return localPath;
}
// Below are minimal tools for demonstration purposes.
async function runQuery(query: string): Promise<Record<string, unknown>[]> {
const dbPath = await resolveDbPath();
const db = new sqlite3.Database(dbPath);
return new Promise((resolve, reject) => {
db.all(query, [], (err, rows) => {
db.close();
if (err) reject(err);
else resolve(rows as Record<string, unknown>[]);
});
});
}
async function getSchema() {
const tables = await runQuery(
"SELECT sql FROM sqlite_master WHERE type='table' AND name NOT LIKE 'sqlite_%';",
);
return tables.map((row) => String(row.sql)).join("\n\n");
}
const DENY_RE =
/\b(INSERT|UPDATE|DELETE|ALTER|DROP|CREATE|REPLACE|TRUNCATE)\b/i;
const HAS_LIMIT_TAIL_RE = /\blimit\b\s+\d+(\s*,\s*\d+)?\s*;?\s*$/i;
function sanitizeSqlQuery(q: string) {
let query = String(q ?? "").trim();
const semis = [...query].filter((c) => c === ";").length;
if (semis > 1 || (query.endsWith(";") && query.slice(0, -1).includes(";"))) {
throw new Error("multiple statements are not allowed.");
}
query = query.replace(/;+\s*$/g, "").trim();
if (!query.toLowerCase().startsWith("select")) {
throw new Error("Only SELECT statements are allowed");
}
if (DENY_RE.test(query)) {
throw new Error("DML/DDL detected. Only read-only queries are permitted.");
}
if (!HAS_LIMIT_TAIL_RE.test(query)) {
query += " LIMIT 5";
}
return query;
}
const executeSql = tool(
async ({ query }) => {
const q = sanitizeSqlQuery(query);
try {
const result = await runQuery(q);
return JSON.stringify(result, null, 2);
} catch (e) {
const message = e instanceof Error ? e.message : String(e);
throw new Error(message);
}
},
{
name: "execute_sql",
description: "Execute a READ-ONLY SQLite SELECT query and return results.",
schema: z.object({
query: z.string().describe("SQLite SELECT query to execute (read-only)."),
}),
},
);
const getSystemPrompt = async () =>
new SystemMessage(`You are a careful SQLite analyst.
Authoritative schema (do not invent columns/tables):
${await getSchema()}
Rules:
- Think step-by-step.
- When you need data, call the tool \`execute_sql\` with ONE SELECT query.
- Read-only; no INSERT/UPDATE/DELETE/ALTER/DROP/CREATE/REPLACE/TRUNCATE.
- Limit to 5 rows unless user explicitly asks otherwise.
- If the tool returns 'Error:', revise the SQL and try again.
- Limit the number of attempts to 5.
- If you are not successful after 5 attempts, return a note to the user.
- Prefer explicit column lists; avoid SELECT *.
`);
export const agent = createAgent({
model: "openrouter:openrouter:z-ai/glm-5.2",
tools: [executeSql],
systemPrompt: await getSystemPrompt(),
});
```
```ts Fireworks
import fs from "node:fs/promises";
import path from "node:path";
import sqlite3 from "sqlite3";
import { SystemMessage, createAgent, tool } from "langchain";
import * as z from "zod";
const url =
"https://storage.googleapis.com/benchmarks-artifacts/chinook/Chinook.db";
const localPath = path.resolve("Chinook.db");
async function resolveDbPath() {
try {
await fs.access(localPath);
return localPath;
} catch {
// Chinook.db not present locally; download it.
}
const resp = await fetch(url);
if (!resp.ok)
throw new Error(`Failed to download DB. Status code: ${resp.status}`);
const buf = Buffer.from(await resp.arrayBuffer());
await fs.writeFile(localPath, buf);
return localPath;
}
// Below are minimal tools for demonstration purposes.
async function runQuery(query: string): Promise<Record<string, unknown>[]> {
const dbPath = await resolveDbPath();
const db = new sqlite3.Database(dbPath);
return new Promise((resolve, reject) => {
db.all(query, [], (err, rows) => {
db.close();
if (err) reject(err);
else resolve(rows as Record<string, unknown>[]);
});
});
}
async function getSchema() {
const tables = await runQuery(
"SELECT sql FROM sqlite_master WHERE type='table' AND name NOT LIKE 'sqlite_%';",
);
return tables.map((row) => String(row.sql)).join("\n\n");
}
const DENY_RE =
/\b(INSERT|UPDATE|DELETE|ALTER|DROP|CREATE|REPLACE|TRUNCATE)\b/i;
const HAS_LIMIT_TAIL_RE = /\blimit\b\s+\d+(\s*,\s*\d+)?\s*;?\s*$/i;
function sanitizeSqlQuery(q: string) {
let query = String(q ?? "").trim();
const semis = [...query].filter((c) => c === ";").length;
if (semis > 1 || (query.endsWith(";") && query.slice(0, -1).includes(";"))) {
throw new Error("multiple statements are not allowed.");
}
query = query.replace(/;+\s*$/g, "").trim();
if (!query.toLowerCase().startsWith("select")) {
throw new Error("Only SELECT statements are allowed");
}
if (DENY_RE.test(query)) {
throw new Error("DML/DDL detected. Only read-only queries are permitted.");
}
if (!HAS_LIMIT_TAIL_RE.test(query)) {
query += " LIMIT 5";
}
return query;
}
const executeSql = tool(
async ({ query }) => {
const q = sanitizeSqlQuery(query);
try {
const result = await runQuery(q);
return JSON.stringify(result, null, 2);
} catch (e) {
const message = e instanceof Error ? e.message : String(e);
throw new Error(message);
}
},
{
name: "execute_sql",
description: "Execute a READ-ONLY SQLite SELECT query and return results.",
schema: z.object({
query: z.string().describe("SQLite SELECT query to execute (read-only)."),
}),
},
);
const getSystemPrompt = async () =>
new SystemMessage(`You are a careful SQLite analyst.
Authoritative schema (do not invent columns/tables):
${await getSchema()}
Rules:
- Think step-by-step.
- When you need data, call the tool \`execute_sql\` with ONE SELECT query.
- Read-only; no INSERT/UPDATE/DELETE/ALTER/DROP/CREATE/REPLACE/TRUNCATE.
- Limit to 5 rows unless user explicitly asks otherwise.
- If the tool returns 'Error:', revise the SQL and try again.
- Limit the number of attempts to 5.
- If you are not successful after 5 attempts, return a note to the user.
- Prefer explicit column lists; avoid SELECT *.
`);
export const agent = createAgent({
model: "fireworks:accounts/fireworks/models/glm-5p2",
tools: [executeSql],
systemPrompt: await getSystemPrompt(),
});
```
```ts Baseten
import fs from "node:fs/promises";
import path from "node:path";
import sqlite3 from "sqlite3";
import { SystemMessage, createAgent, tool } from "langchain";
import * as z from "zod";
const url =
"https://storage.googleapis.com/benchmarks-artifacts/chinook/Chinook.db";
const localPath = path.resolve("Chinook.db");
async function resolveDbPath() {
try {
await fs.access(localPath);
return localPath;
} catch {
// Chinook.db not present locally; download it.
}
const resp = await fetch(url);
if (!resp.ok)
throw new Error(`Failed to download DB. Status code: ${resp.status}`);
const buf = Buffer.from(await resp.arrayBuffer());
await fs.writeFile(localPath, buf);
return localPath;
}
// Below are minimal tools for demonstration purposes.
async function runQuery(query: string): Promise<Record<string, unknown>[]> {
const dbPath = await resolveDbPath();
const db = new sqlite3.Database(dbPath);
return new Promise((resolve, reject) => {
db.all(query, [], (err, rows) => {
db.close();
if (err) reject(err);
else resolve(rows as Record<string, unknown>[]);
});
});
}
async function getSchema() {
const tables = await runQuery(
"SELECT sql FROM sqlite_master WHERE type='table' AND name NOT LIKE 'sqlite_%';",
);
return tables.map((row) => String(row.sql)).join("\n\n");
}
const DENY_RE =
/\b(INSERT|UPDATE|DELETE|ALTER|DROP|CREATE|REPLACE|TRUNCATE)\b/i;
const HAS_LIMIT_TAIL_RE = /\blimit\b\s+\d+(\s*,\s*\d+)?\s*;?\s*$/i;
function sanitizeSqlQuery(q: string) {
let query = String(q ?? "").trim();
const semis = [...query].filter((c) => c === ";").length;
if (semis > 1 || (query.endsWith(";") && query.slice(0, -1).includes(";"))) {
throw new Error("multiple statements are not allowed.");
}
query = query.replace(/;+\s*$/g, "").trim();
if (!query.toLowerCase().startsWith("select")) {
throw new Error("Only SELECT statements are allowed");
}
if (DENY_RE.test(query)) {
throw new Error("DML/DDL detected. Only read-only queries are permitted.");
}
if (!HAS_LIMIT_TAIL_RE.test(query)) {
query += " LIMIT 5";
}
return query;
}
const executeSql = tool(
async ({ query }) => {
const q = sanitizeSqlQuery(query);
try {
const result = await runQuery(q);
return JSON.stringify(result, null, 2);
} catch (e) {
const message = e instanceof Error ? e.message : String(e);
throw new Error(message);
}
},
{
name: "execute_sql",
description: "Execute a READ-ONLY SQLite SELECT query and return results.",
schema: z.object({
query: z.string().describe("SQLite SELECT query to execute (read-only)."),
}),
},
);
const getSystemPrompt = async () =>
new SystemMessage(`You are a careful SQLite analyst.
Authoritative schema (do not invent columns/tables):
${await getSchema()}
Rules:
- Think step-by-step.
- When you need data, call the tool \`execute_sql\` with ONE SELECT query.
- Read-only; no INSERT/UPDATE/DELETE/ALTER/DROP/CREATE/REPLACE/TRUNCATE.
- Limit to 5 rows unless user explicitly asks otherwise.
- If the tool returns 'Error:', revise the SQL and try again.
- Limit the number of attempts to 5.
- If you are not successful after 5 attempts, return a note to the user.
- Prefer explicit column lists; avoid SELECT *.
`);
export const agent = createAgent({
model: "baseten:zai-org/GLM-5.2",
tools: [executeSql],
systemPrompt: await getSystemPrompt(),
});
```
```ts Ollama
import fs from "node:fs/promises";
import path from "node:path";
import sqlite3 from "sqlite3";
import { SystemMessage, createAgent, tool } from "langchain";
import * as z from "zod";
const url =
"https://storage.googleapis.com/benchmarks-artifacts/chinook/Chinook.db";
const localPath = path.resolve("Chinook.db");
async function resolveDbPath() {
try {
await fs.access(localPath);
return localPath;
} catch {
// Chinook.db not present locally; download it.
}
const resp = await fetch(url);
if (!resp.ok)
throw new Error(`Failed to download DB. Status code: ${resp.status}`);
const buf = Buffer.from(await resp.arrayBuffer());
await fs.writeFile(localPath, buf);
return localPath;
}
// Below are minimal tools for demonstration purposes.
async function runQuery(query: string): Promise<Record<string, unknown>[]> {
const dbPath = await resolveDbPath();
const db = new sqlite3.Database(dbPath);
return new Promise((resolve, reject) => {
db.all(query, [], (err, rows) => {
db.close();
if (err) reject(err);
else resolve(rows as Record<string, unknown>[]);
});
});
}
async function getSchema() {
const tables = await runQuery(
"SELECT sql FROM sqlite_master WHERE type='table' AND name NOT LIKE 'sqlite_%';",
);
return tables.map((row) => String(row.sql)).join("\n\n");
}
const DENY_RE =
/\b(INSERT|UPDATE|DELETE|ALTER|DROP|CREATE|REPLACE|TRUNCATE)\b/i;
const HAS_LIMIT_TAIL_RE = /\blimit\b\s+\d+(\s*,\s*\d+)?\s*;?\s*$/i;
function sanitizeSqlQuery(q: string) {
let query = String(q ?? "").trim();
const semis = [...query].filter((c) => c === ";").length;
if (semis > 1 || (query.endsWith(";") && query.slice(0, -1).includes(";"))) {
throw new Error("multiple statements are not allowed.");
}
query = query.replace(/;+\s*$/g, "").trim();
if (!query.toLowerCase().startsWith("select")) {
throw new Error("Only SELECT statements are allowed");
}
if (DENY_RE.test(query)) {
throw new Error("DML/DDL detected. Only read-only queries are permitted.");
}
if (!HAS_LIMIT_TAIL_RE.test(query)) {
query += " LIMIT 5";
}
return query;
}
const executeSql = tool(
async ({ query }) => {
const q = sanitizeSqlQuery(query);
try {
const result = await runQuery(q);
return JSON.stringify(result, null, 2);
} catch (e) {
const message = e instanceof Error ? e.message : String(e);
throw new Error(message);
}
},
{
name: "execute_sql",
description: "Execute a READ-ONLY SQLite SELECT query and return results.",
schema: z.object({
query: z.string().describe("SQLite SELECT query to execute (read-only)."),
}),
},
);
const getSystemPrompt = async () =>
new SystemMessage(`You are a careful SQLite analyst.
Authoritative schema (do not invent columns/tables):
${await getSchema()}
Rules:
- Think step-by-step.
- When you need data, call the tool \`execute_sql\` with ONE SELECT query.
- Read-only; no INSERT/UPDATE/DELETE/ALTER/DROP/CREATE/REPLACE/TRUNCATE.
- Limit to 5 rows unless user explicitly asks otherwise.
- If the tool returns 'Error:', revise the SQL and try again.
- Limit the number of attempts to 5.
- If you are not successful after 5 attempts, return a note to the user.
- Prefer explicit column lists; avoid SELECT *.
`);
export const agent = createAgent({
model: "ollama:north-mini-code-1.0",
tools: [executeSql],
systemPrompt: await getSystemPrompt(),
});
```
</CodeGroup>
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