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"""
mcp_server.py – MCP tool server exposing:
• query_database – SQLite sample
• query_hubspot – HubSpot via hubspot-api-client
Secrets expected in env:
HUBSPOT_TOKEN
"""
import os
import json
import sqlite3
from mcp.server.fastmcp import FastMCP
# HubSpot
from hubspot import HubSpot
from hubspot.crm.contacts import ApiException as HSContactsError
# ──────────────────────────────────────────────────────────────
mcp = FastMCP("EnterpriseData")
# ─── 1) In-memory SQLite sample ────────────────────────────────────────
conn = sqlite3.connect(":memory:", check_same_thread=False)
cur = conn.cursor()
cur.execute("""
CREATE TABLE Customers (
CustomerID INTEGER PRIMARY KEY AUTOINCREMENT,
Name TEXT,
Region TEXT,
LastOrderDate TEXT
)
""")
cur.executemany(
"INSERT INTO Customers (Name, Region, LastOrderDate) VALUES (?,?,?)",
[
("Acme Corp", "Northeast", "2024-12-01"),
("Beta Inc", "West", "2025-06-01"),
("Gamma Co", "Northeast", "2023-09-15"),
("Delta LLC", "South", "2025-03-20"),
("Epsilon Ltd","Northeast", "2025-07-10"),
],
)
conn.commit()
@mcp.tool()
def query_database(sql: str) -> str:
"""Run SQL against the in-memory Customers table and return JSON rows."""
try:
cur.execute(sql)
cols = [d[0] for d in cur.description or []]
rows = [dict(zip(cols, r)) for r in cur.fetchall()]
return json.dumps(rows)
except Exception as e:
return json.dumps({"error": str(e)})
# ─── 2) HubSpot tool ───────────────────────────────────────────────
hs_client = HubSpot(access_token=os.getenv("HUBSPOT_TOKEN"))
@mcp.tool()
def query_hubspot(object_type: str, limit: int = 100) -> str:
"""
Fetch up to `limit` objects of type `contacts`, `companies`, or `deals`.
Example: object_type="contacts"
"""
try:
api = getattr(hs_client.crm, object_type)
page = api.basic_api.get_page(limit=limit)
items = [r.to_dict() for r in page.results]
return json.dumps(items)
except HSContactsError as he:
return json.dumps({"error": he.body})
except Exception as e:
return json.dumps({"error": str(e)})
# ─── 3) Start the MCP server ─────────────────────────────────────
if __name__ == "__main__":
mcp.run(transport="stdio")
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