In this deep dive, you’ll learn how to break down the architecture, design patterns, and practical steps for building autonomous report generation agents.
If you’ve ever managed reporting in your organization, you know how manual and repetitive the process can be—prone to delays, errors, and bottlenecks as you and your team wrangle data from scattered sources and spend hours turning raw information into usable insights. The core challenge is organizing access to data in a way that’s reliable, scalable, and context-aware — ensuring you consistently gather, process, and present all required metrics with minimal friction.
AI agents can help you solve this. These systems use advanced AI models—such as large language models (LLMs) or large reasoning models (LRMs) — and retrieval techniques (from SQL or Vector Data or Timeseries Data and so on) to autonomously access, synthesize, and interpret data from multiple sources. When it comes to report generation, AI agents can dynamically query your databases and APIs, apply domain-specific business rules, and generate well-structured, context-rich reports in natural language, tailored to your audience’s needs.
By automating the entire reporting pipeline—from secure data access and processing to analytics and delivery — autonomous AI agents help you eliminate manual work and scale insights across your teams with unprecedented speed and consistency. This not only shortens your reporting cycles but also reduces errors and ensures your reports are always built on the latest available data.
In this deep dive, you’ll learn how to break down the architecture, design patterns, and practical steps for building autonomous report generation agents — transforming report creation from a static, manual workflow into a flexible, intelligent service.
If you’re responsible for reporting, you already know it’s essential but resource-intensive. Recent industry studies show that you and your data teams could be spending up to 50–80% of your time on data preparation and report creation—leaving less time for analysis and strategic work. Manual reporting doesn’t just consume valuable time; it also brings risk: according to Gartner, over 60% of business leaders have made decisions based on outdated or incomplete reports at least once in the past year.
Here’s why reporting often becomes time-consuming and error-prone for you:
The biggest challenge around reporting is around data gathering and data consolidation, and not the actual report creation. This is what AI agents can help solve for your organization.
To truly unlock the power of autonomous reporting, you need to understand how AI agents work under the hood. These aren’t just rule-based bots anymore — they’re systems that combine large language models (LLMs), robust retrieval pipelines, orchestration logic, and secure integrations to autonomously manage the full reporting workflow.
At a high level, an AI report generation agent typically includes:
By orchestrating all these elements, AI agents can continuously deliver accurate, timely, and actionable reports — with minimal input required from you.
When you set out to deploy autonomous report generation agents, one of your first decisions is whether to use an off-the-shelf agent platform or to build your own custom agent from the ground up.
Agent platforms like Dust, Lyzr, n8n and others offer pre-built frameworks, integrations, and tools designed to accelerate development and deployment. These platforms often come with drag-and-drop interfaces, preconfigured connectors to popular data sources, built-in security, and templated workflows. You can get up and running quickly — perfect if your reporting needs align closely with what the platform offers.
Pros:
Cons:
If you need more control, flexibility, or want to deeply tailor the agent’s logic, a custom-built approach lets you design every component to your exact requirements. You can choose your tech stack, data models, business rules, and NLG strategies, and fully integrate with your existing systems.
Pros:
Cons:
In our experience, we have seen that organizations often start with agent platforms for their speed and convenience, but soon realize that vendor lock-in, long-term costs, and accuracy challenges can become significant obstacles. As your requirements evolve — whether it’s the need for deeper integration, more advanced business logic, or greater control over data handling — platform limitations can hinder your ability to adapt and optimize.
Custom-built agents, while requiring more upfront investment and technical expertise, give you full ownership and control. You’re free to fine-tune accuracy, tailor workflows, and scale your solution without depending on external vendors or being surprised by rising platform fees.
If you’re looking for quick validation or have simple, standard reporting needs, starting with an agent platform makes sense. But if your goal is long-term flexibility, differentiation, and cost control, investing in custom-built AI agents is often the more sustainable and strategic path.
Below, we will build a custom report generation agent that taps into two data sources - PostgreSQL and existing documents - in order to generate a report on the fly. We will use PydanticAI as our agentic orchestration framework.
PydanticAI provides a clean, structured way to build AI agents by defining inputs, outputs, and tool functions as strongly typed Python models.
This makes it ideal for production-grade reporting agents because:
Let’s start.
We want our reporting agent to:
Here’s the architecture diagram for this:
Below is a minimal but realistic dataset for a weekly sales report. It includes customers, products, and orders; a materialized view computes KPIs so your agent fetch is fast and predictable.
Let’s first create the database:
CREATE DATABASE salesdb;
\c salesdb;
Next let’s create tables and insert data:
CREATE TABLE customers (
customer_id SERIAL PRIMARY KEY,
name TEXT NOT NULL,
region TEXT NOT NULL CHECK (region IN ('NA','EU','APAC','MEA','LATAM')),
created_at TIMESTAMPTZ DEFAULT now()
);
CREATE TABLE products (
product_id SERIAL PRIMARY KEY,
sku TEXT UNIQUE NOT NULL,
name TEXT NOT NULL,
category TEXT NOT NULL,
price_cents INT NOT NULL CHECK (price_cents > 0)
);
CREATE TABLE orders (
order_id SERIAL PRIMARY KEY,
customer_id INT NOT NULL REFERENCES customers(customer_id),
product_id INT NOT NULL REFERENCES products(product_id),
qty INT NOT NULL CHECK (qty > 0),
discount_pct NUMERIC(5,2) NOT NULL DEFAULT 0.0 CHECK (discount_pct >= 0 AND discount_pct <= 100),
order_ts TIMESTAMPTZ NOT NULL DEFAULT now()
);
INSERT INTO customers (name, region) VALUES
('Acme Retail', 'NA'),
('Nordlicht GmbH', 'EU'),
('Shimada KK', 'APAC'),
('Sahara Trading', 'MEA'),
('LatAm Partners', 'LATAM');
INSERT INTO products (sku, name, category, price_cents) VALUES
('SKU-ALPHA', 'Alpha Widget', 'Widgets', 1999),
('SKU-BETA' , 'Beta Widget' , 'Widgets', 2999),
('SKU-GAMMA', 'Gamma Add-on', 'Add-ons', 999);
INSERT INTO orders (customer_id, product_id, qty, discount_pct, order_ts) VALUES
(1, 1, 10, 5.0, now() - INTERVAL '10 days'),
(2, 2, 6, 0.0, now() - INTERVAL '9 days'),
(3, 3, 25, 0.0, now() - INTERVAL '8 days'),
(1, 2, 4, 0.0, now() - INTERVAL '6 days'),
(4, 1, 7, 2.5, now() - INTERVAL '6 days'),
(5, 1, 3, 0.0, now() - INTERVAL '5 days'),
(2, 3, 18, 0.0, now() - INTERVAL '3 days'),
(3, 2, 5, 0.0, now() - INTERVAL '2 days'),
(1, 3, 30, 0.0, now() - INTERVAL '1 day');
CREATE OR REPLACE VIEW v_order_lines AS
SELECT
o.order_id,
o.order_ts::date AS order_date,
c.region,
p.category,
p.sku,
(p.price_cents * o.qty * (1 - o.discount_pct/100.0))::bigint AS net_cents,
o.qty
FROM orders o
JOIN customers c ON c.customer_id = o.customer_id
JOIN products p ON p.product_id = o.product_id;
CREATE MATERIALIZED VIEW mv_weekly_kpis AS
SELECT
date_trunc('week', order_date)::date AS week_start,
COUNT(DISTINCT order_id) AS orders_count,
SUM(net_cents) AS revenue_cents,
SUM(qty) AS units_sold,
ROUND(AVG(net_cents)::numeric,2) AS avg_order_value_cents
FROM v_order_lines
GROUP BY 1
ORDER BY 1 DESC;
CREATE UNIQUE INDEX ON mv_weekly_kpis(week_start);
Next, we will start Qdrant and load data. This is how you start it:
docker run -p 6333:6333 -p 6334:6334 \
-v "$(pwd)/qdrant_storage:/qdrant/storage:z" \
qdrant/qdrant
Then install these dependencies:
pip install pydantic-ai qdrant-client psycopg2-binary openai jinja2 python-dotenv
Also, it’s a good practice to create a .env to save your keys:
OPENAI_API_KEY=sk-...
DATABASE_URL=postgresql://report_user:securepass@localhost:5432/salesdb
QDRANT_HOST=localhost
QDRANT_PORT=6333
Now, let’s create collection and upsert docs:
# qdrant_seed.py
import os
from typing import List
from uuid import uuid4
# choose ONE of these paths:
USE_OPENAI = True # set False to use local embeddings
if USE_OPENAI:
from openai import OpenAI
client = OpenAI(api_key=os.getenv("OPENAI_API_KEY"))
def embed(texts: List[str]) -> List[List[float]]:
resp = client.embeddings.create(
model="text-embedding-3-large",
input=texts
)
return [d.embedding for d in resp.data]
else:
# local embeddings
from sentence_transformers import SentenceTransformer
_m = SentenceTransformer("all-MiniLM-L6-v2")
def embed(texts: List[str]) -> List[List[float]]:
return _m.encode(texts, convert_to_numpy=False).tolist()
from qdrant_client import QdrantClient
from qdrant_client.models import Distance, VectorParams, PointStruct
docs = [
{
"title": "Discount Policy FY25",
"text": "Standard discounts up to 5% require manager approval; above 10% need VP sign-off. Quarterly promos cannot overlap with partner rebates.",
"tags": ["policy","pricing"]
},
{
"title": "SLA Excerpt - Order to Cash",
"text": "Orders must be invoiced within 24 hours of fulfillment. APAC has a cutoff at 18:00 local time for same-day processing.",
"tags": ["sla","finance"]
},
{
"title": "Q3 Strategy Notes",
"text": "Shift focus to upselling Beta Widget in EU and APAC; bundle Gamma Add-on. Target +12% AOV via bundles.",
"tags": ["strategy","sales"]
},
{
"title": "Compliance: Regional Rules",
"text": "MEA requires export docs archived for 7 years. LATAM invoices must include local tax codes and electronic signatures.",
"tags": ["compliance","regional"]
}
]
client_q = QdrantClient(host="localhost", port=6333)
# create collection if missing
COLL = "report_refs"
if COLL not in [c.name for c in client_q.get_collections().collections]:
client_q.create_collection(
collection_name=COLL,
vectors_config=VectorParams(size=len(embed(["dim_probe"])[0]), distance=Distance.COSINE)
)
texts = [d["text"] for d in docs]
vecs = embed(texts)
points = [
PointStruct(
id=str(uuid4()),
vector=vecs[i],
payload={"title": docs[i]["title"], "text": docs[i]["text"], "tags": docs[i]["tags"]}
)
for i in range(len(docs))
]
client_q.upsert(collection_name=COLL, points=points)
print("Seeded Qdrant with", len(points), "docs.")
Now we will create a helper function that uses vector search to find the right text documents:
# qdrant_search.py
from qdrant_client import QdrantClient
from typing import List
def semantic_search(query: str, top_k: int = 5) -> List[dict]:
# match the embedding function you used to seed
from openai import OpenAI
import os
client = OpenAI(api_key=os.getenv("OPENAI_API_KEY"))
emb = client.embeddings.create(model="text-embedding-3-large", input=[query]).data[0].embedding
q = QdrantClient(host="localhost", port=6333)
res = q.search(collection_name="report_refs", query_vector=emb, limit=top_k)
return [{"title": r.payload["title"], "text": r.payload["text"], "score": float(r.score)} for r in res]
Note: We are not using filters in the above query. However, in most cases, you may end up having to use filters. To do that, use structured outputs to generate Qdrant filter query from natural language.
Agents behave best when data shaping is already done at the SQL level. Let’s create a view that the agent can use:
CREATE OR REPLACE VIEW v_weekly_dashboard AS
SELECT
w.week_start,
w.orders_count,
ROUND(w.revenue_cents/100.0, 2) AS revenue_usd, -- or your currency
w.units_sold,
ROUND(w.avg_order_value_cents/100.0,2) AS avg_order_value
FROM mv_weekly_kpis w
ORDER BY w.week_start DESC;
Now create Pydantic schemas:
# agent_schemas.py (part 1)
from typing import List, Dict, Optional
from pydantic import BaseModel, Field
class ReportRequest(BaseModel):
report_type: str = Field(description="e.g., 'weekly_sales'")
period_start: str = Field(description="ISO date, inclusive")
period_end: str = Field(description="ISO date, inclusive")
audience: Optional[str] = Field(default="exec", description="exec|ops|sales")
class KPI(BaseModel):
name: str
value: float | int | str
unit: Optional[str] = None
target: Optional[float] = None
status: Optional[str] = None # ok|warn|fail
class ReportOutput(BaseModel):
summary_text: str
kpis: List[KPI]
references: List[str]
rendered_html: str
sources_used: List[str]
Now create a few tools:
# db.py
import os
import psycopg2
from contextlib import contextmanager
DATABASE_URL = os.getenv("DATABASE_URL", "postgresql://localhost:5432/salesdb")
@contextmanager
def pg_conn():
conn = psycopg2.connect(DATABASE_URL)
try:
yield conn
finally:
conn.close()
def refresh_weekly_mv():
with pg_conn() as conn, conn.cursor() as cur:
cur.execute("REFRESH MATERIALIZED VIEW CONCURRENTLY mv_weekly_kpis;")
conn.commit()
def fetch_week_window(period_start: str, period_end: str):
"""
Returns the single week row whose week_start falls inside the requested window.
Adjust to your own windowing logic if needed.
"""
sql = """
SELECT week_start, orders_count, revenue_cents, units_sold, avg_order_value_cents
FROM mv_weekly_kpis
WHERE week_start >= %s::date AND week_start <= %s::date
ORDER BY week_start DESC
LIMIT 1;
"""
with pg_conn() as conn, conn.cursor() as cur:
cur.execute(sql, (period_start, period_end))
row = cur.fetchone()
if not row:
return None
return {
"week_start": row[0].isoformat(),
"orders_count": row[1],
"revenue_usd": round(row[2] / 100.0, 2),
"units_sold": row[3],
"avg_order_value": round(row[4] / 100.0, 2),
And also a tool to perform Business KPI check
# rules.py
from typing import Dict, List
from agent_schemas import KPI
def evaluate_kpis(raw: Dict, audience: str = "exec") -> List[KPI]:
"""
Example thresholding; in practice pull targets from a config table.
"""
targets = {
"revenue_usd": 5000.0,
"orders_count": 20,
"avg_order_value": 60.0
}
kpis = []
def status(val, tgt):
if tgt is None: return None
if val is None: return "warn"
if val >= tgt: return "ok"
if val >= 0.9 * tgt: return "warn"
return "fail"
kpis.append(KPI(
name="Revenue", value=raw["revenue_usd"], unit="USD",
target=targets["revenue_usd"], status=status(raw["revenue_usd"], targets["revenue_usd"])
))
kpis.append(KPI(
name="Orders", value=raw["orders_count"],
target=targets["orders_count"], status=status(raw["orders_count"], targets["orders_count"])
))
kpis.append(KPI(
name="Units Sold", value=raw["units_sold"]
))
kpis.append(KPI(
name="Avg Order Value", value=raw["avg_order_value"], unit="USD",
target=targets["avg_order_value"], status=status(raw["avg_order_value"], targets["avg_order_value"])
))
return kpis
Let’s also create a report template that we can use:
# renderer.py
from jinja2 import Template
TEMPLATE = Template("""
<!doctype html>
<html>
<head>
<meta charset="utf-8" />
<title>{{ title }}</title>
<style>
body { font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial; margin: 24px; color: #0f172a; }
.card { border: 1px solid #e5e7eb; border-radius: 12px; padding: 16px; margin-bottom: 16px; }
.kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.kpi { background: #f8fafc; border-radius: 10px; padding: 12px; text-align: center; }
h1 { font-size: 22px; margin: 0 0 12px; }
h2 { font-size: 16px; margin: 8px 0; }
.muted { color: #64748b; font-size: 12px; }
.ok { color: #16a34a; } .warn { color: #d97706; } .fail { color: #dc2626; }
</style>
</head>
<body>
<h1>{{ title }}</h1>
<div class="muted">Period: {{ start }} → {{ end }}</div>
<div class="card">
<h2>Key Metrics</h2>
<div class="kpis">
{% for k in kpis %}
<div class="kpi">
<div class="muted">{{ k.name }}</div>
<div>
<strong>{{ k.value }}{% if k.unit %} {{ k.unit }}{% endif %}</strong>
{% if k.status %}<span class="{{ k.status }}">({{ k.status }})</span>{% endif %}
</div>
{% if k.target is not none %}
<div class="muted">Target: {{ k.target }}{% if k.unit %} {{ k.unit }}{% endif %}</div>
{% endif %}
</div>
{% endfor %}
</div>
</div>
<div class="card">
<h2>Highlights</h2>
<ul>
{% for line in highlights %}<li>{{ line }}</li>{% endfor %}
</ul>
</div>
<div class="card">
<h2>Notes & Policies Referenced</h2>
<ul>
{% for ref in references %}<li>{{ ref }}</li>{% endfor %}
</ul>
</div>
</body>
</html>
""".lstrip())
def render_html(title: str, start: str, end: str, kpis, highlights, references) -> str:
return TEMPLATE.render(
title=title, start=start, end=end, kpis=kpis, highlights=highlights, references=references
)
Finally, let’s create an agentic workflow using PydanticAI, which makes it easy for us to orchestrate the agent. We’ll use OpenAI’s latest model GPT 5:
from typing import List
from pydantic import BaseModel
import os
from typing import List
from pydantic_ai import Agent, Tool # PydanticAI core
from pydantic import BaseModel
from openai import OpenAI
from db import refresh_weekly_mv, fetch_week_window
from qdrant_search import semantic_search
from rules import evaluate_kpis
from renderer import render_html
from agent_schemas import ReportRequest, ReportOutput
# ---- model config (LLM-agnostic) --------------------------------------------
OPENAI_MODEL = os.getenv("OPENAI_MODEL", "gpt-5")
openai_client = OpenAI(api_key=os.getenv("OPENAI_API_KEY"))
# ---- tools ------------------------------------------------------------------
@Tool
def tool_refresh_materialized_view() -> str:
"""Refresh KPI materialized view for up-to-date metrics."""
refresh_weekly_mv()
return "refreshed"
class FetchKPIInput(BaseModel):
period_start: str
period_end: str
@Tool
def tool_fetch_weekly_kpis(inp: FetchKPIInput) -> dict:
"""Return a canonical dict of weekly KPIs for the window."""
row = fetch_week_window(inp.period_start, inp.period_end)
return row or {}
class SearchRefsInput(BaseModel):
query: str
top_k: int = 4
@Tool
def tool_search_refs(inp: SearchRefsInput) -> List[dict]:
"""Semantic search over reference knowledge in Qdrant."""
return semantic_search(inp.query, top_k=inp.top_k)
# ---- agent definition --------------------------------------------------------
SYSTEM_INSTRUCTIONS = """
You are a reporting agent. Always:
- Refresh the KPI materialized view if the period overlaps 'this week' or 'recent days'.
- Fetch KPIs from the canonical tool; DO NOT invent metrics.
- Use reference search to ground narrative with policy/strategy notes when relevant.
- Produce a succinct summary for exec audience by default.
- Return both structured KPIs and an HTML report string.
"""
agent = Agent[ReportRequest, ReportOutput](
name="report_gen_agent",
instructions=SYSTEM_INSTRUCTIONS,
tools=[tool_refresh_materialized_view, tool_fetch_weekly_kpis, tool_search_refs],
model=OPENAI_MODEL, # swap to your provider as needed
)
# ---- run function ------------------------------------------------------------
def run_report(req: ReportRequest) -> ReportOutput:
"""
Orchestrates a single-shot run:
1) Ask the LLM to decide which tools to call (PydanticAI handles tool routing).
2) Post-process with deterministic KPI rules and rendering.
"""
# 1) Use tools to get raw KPI dict & references
# (You can also choose to call tools directly for tighter control.)
raw = fetch_week_window(req.period_start, req.period_end) # deterministic path
if raw is None:
# Try refreshing and retry once
refresh_weekly_mv()
raw = fetch_week_window(req.period_start, req.period_end)
refs = semantic_search(f"{req.report_type} highlights for period {req.period_start} to {req.period_end}", top_k=4)
# 2) Apply business rules
kpis = evaluate_kpis(raw, audience=req.audience if raw else "exec") if raw else []
# 3) Draft a narrative (LLM) using structured context
# You can replace with any provider--keep prompt compact & explicit.
prompt = f"""
Draft a concise weekly sales report narrative for executives.
Data (JSON): {raw}
Audience: {req.audience}
Reference snippets (titles + text): {refs}
Focus on signal, not noise. Avoid inventing numbers; cite policies/notes qualitatively.
"""
completion = openai_client.chat.completions.create(
model=OPENAI_MODEL,
messages=[{"role": "system", "content": "You are a precise reporting assistant."},
{"role": "user", "content": prompt}],
)
summary = completion.choices[0].message.content.strip()
# 4) Build highlights & references for renderer
highlights = []
if raw:
highlights.append(f"Revenue: ${raw['revenue_usd']:,}")
highlights.append(f"Orders: {raw['orders_count']}")
highlights.append(f"Avg Order Value: ${raw['avg_order_value']}")
if refs:
highlights.append("Applied current discount/SLA/strategy guidelines as relevant.")
references = [f"{r['title']}" for r in refs]
# 5) Render HTML
html = render_html(
title="Weekly Sales Report",
start=req.period_start,
end=req.period_end,
kpis=[k.model_dump() for k in kpis],
highlights=highlights,
references=references
)
# 6) Return typed output
return ReportOutput(
summary_text=summary,
kpis=kpis,
references=references,
rendered_html=html,
sources_used=["postgres.mv_weekly_kpis", "qdrant.report_refs"]
That’s it (for a basic report generation system) - you can now run it.
# report_agent.py
from agent_tools import ReportRequest, run_report
if __name__ == "__main__":
# Example: last 7 days window; tweak as needed
req = ReportRequest(
report_type="weekly_sales",
period_start="2025-08-04",
period_end="2025-08-10",
audience="exec"
)
out = run_report(req)
# Save HTML for preview/PDF conversion
out_path = "weekly_report.html"
with open(out_path, "w", encoding="utf-8") as f:
f.write(out.rendered_html)
print("\n--- SUMMARY ---\n")
print(out.summary_text)
print("\nSaved HTML ->", out_path)
Run it like this:
python report_agent.py
That’s it. You will see a report generated like the image below. You can improve the template and make it as complex/sophisticated as you want based on your company needs.
Shipping a demo is easy; running reporting agents in production week after week is a different game. Use this checklist to harden reliability, security, quality, and cost.
Human-in-the-loop: allow comments/corrections; feed back confirmed edits into a supervised “style & accuracy” memory.
Autonomous AI-powered report generation can be a multiplier for decision-making speed, accuracy, and scalability. By combining structured data from sources like PostgreSQL, contextual knowledge from vector stores such as Qdrant, and orchestration frameworks like PydanticAI, you can transform reporting from a slow, error-prone chore into a fast, repeatable, and high-trust process.
The technical building blocks we’ve explored — typed contracts, reliable data connectors, embedded business rules, and secure production practices — make it possible to deliver insights that are both timely and trustworthy. More importantly, once this reporting foundation is in place, the same architecture can be extended to other domains: customer insights, compliance monitoring, operational health checks, or even fully automated business reviews.
But designing, building, and productionizing systems like this isn’t trivial. You need the right mix of AI engineering, data architecture, and operational discipline to make it work — fast, and without disrupting your existing workflows.
That’s where Superteams.ai comes in.
We provide fractional AI teams that help companies get started with AI quickly — without the cost and delay of building a large in-house team. Whether you need to prototype an autonomous reporting agent like the one we’ve just walked through, integrate AI into your existing analytics stack, or explore new automation opportunities, our experienced AI engineers, data specialists, and solution architects can get you from concept to live deployment in weeks, not months.
Instead of spending months hiring and experimenting, you get a ready-to-go team that’s already done it — with the technical depth to build robust, secure, and scalable AI systems from day one.
If you’re ready to move from reading about AI to deploying it in production, visit superteams.ai and let’s start building your first (or next) AI solution — fast.