AI Agent Development

Production-ready AI agents that automate real work, not demos that fall apart after the pitch.

AI Agent DevelopmentLLM IntegrationWorkflow AutomationApplied AI

One example. We build many kinds of agents, shaped around your business, industry, and the work your team actually does.

AI agent development means building software that takes multi-step action toward a goal: it reads context, calls tools, and returns a useful result, with a human checking the parts that matter. At Hardihood, we build agents as part of real products, to the same standard as our strategy, design, and engineering work.

The gap most teams hit is not getting an agent to work once. It is getting it to work on the hundredth run, against messy real data, when an API times out and a model returns something unexpected. That gap is ordinary software engineering: retrieval, permissions, error handling, evaluation, and monitoring. It is the part we spend most of our time on.

What we build

We help founders and leadership teams ship AI that solves a concrete workflow problem. Typical engagements:

  • Workflow agents

    Draft updates, summarize activity, or flag risk across tools your team already uses.

  • Customer and ops agents

    Triage support, enrich accounts, or prepare next actions for a human to approve.

  • Product-embedded agents

    Add guided assistance or automation inside your application, where users already work.

  • LLM integrations

    Retrieval, tool calling, evaluation, and guardrails, so behavior holds up in production.

Where AI agents earn their place

The workflows below share a shape: they repeat, they span more than one tool, and a person can describe what a good result looks like. That is the test we apply before recommending an agent at all.

  • Status and reporting

    Assemble what shipped, what slipped, and what is blocked from your tracker and chat history so a weekly update starts as a draft.

  • Account health and churn signals

    Watch usage and support patterns for the quiet decline that precedes a cancellation, and alert the owner while there is still time.

  • Support triage

    Classify incoming tickets, pull the account context a human would look up anyway, and propose the next action for approval.

  • Research and enrichment

    Gather scattered public and internal context on an account, opportunity, or candidate into one structured record.

  • Document and data extraction

    Turn contracts, invoices, and forms into structured records your systems can act on, with confidence scores and review queues.

  • In-product assistance

    Guide users through complex workflows inside your application, taking action on their behalf where permissions allow.

How we approach AI agent development

We start from the job to be done, then design the agent around systems, permissions, and failure modes, not a chat demo.

  1. 1

    Define the outcome

    Clarify the workflow, who owns the result, and what “done” looks like before writing prompts or wiring models.

  2. 2

    Map tools and data

    Connect only the systems the agent needs, with clear permissions and auditability.

  3. 3

    Design human checkpoints

    Decide where people review, approve, or override so automation stays trustworthy.

  4. 4

    Build, evaluate, and harden

    Ship behind measurable quality checks, then fix the edge cases that show up in real use.

  5. 5

    Operate and improve

    Monitor failures, cost, and usefulness so the agent keeps earning its place in the product.

What an AI agent project costs and how long it takes

Most AI agent projects land between $1,500 and $22,000 as a one-time setup. Simple Agent Sprints sit at $1,500–$4,000, medium builds at $6,000–$11,000, and advanced custom AI at $14,000 and up. Running costs usually add about 5–15% of setup per year. Well-scoped projects often pay for themselves in two to six months.

EngagementPriceTypical timelineWhat it covers
Simple build$1,500–$4,0001 to 3 weeksFixed-price Agent Sprints: Focused $1,500, Connected $2,500, Full-Scope $4,000. One clear workflow, paid upfront.
Medium build$6,000–$11,0004 to 8 weeksDeeper workflow logic, stronger evaluation, or agents that write into systems of record with tighter human review.
Advanced custom AI$14,000+8+ weeksMulti-agent systems, product-embedded automation, or work that needs product, design, and engineering alongside the agent.

What moves the number

  • How many steps the workflow has, and whether a scoring or ranking decision sits in the middle
  • Whether the agent carries memory that evolves across runs, or starts fresh each time
  • How costly a wrong answer is, which sets how much evaluation and human review the use case demands
  • Whether you need one agent, several that coordinate, or a product surface around the automation

Simple Agent Sprints are fixed-price and paid upfront. Medium and advanced work is scoped after discovery as fixed price. Support after any included tuning window is separate. If an off-the-shelf tool already solves your problem, we will say so.

AI agents vs. chatbots

Teams often ask us for a chatbot when what they actually need is an agent. The difference changes scope, risk, and what you get back.

ChatbotAI agent
Primary jobAnswer questions in conversationComplete multi-step work toward a goal
Systems accessUsually limited or read-onlyCalls tools and APIs with defined permissions
OutputReplies in chatDrafts, tickets, alerts, updates, or product actions
Best fitFAQs and guided Q&ARecurring workflows with clear success criteria

Bottom line: use a chatbot when the need is conversation. Use an AI agent when the need is work that spans tools and steps.

How we build agents that hold up

Four things separate an agent that survives production from one that impresses in a demo and quietly gets turned off a month later.

Grounding in your data, not model memory

Agents retrieve from your systems at run time rather than relying on what a model happens to remember. That means the answer reflects today's data, and it means we can show where a given claim came from when someone asks.

Tools with real permissions

Every action an agent can take is an explicit, typed tool with scoped credentials. The agent cannot reach systems it was not given, and every call it makes is logged. This is what makes it safe to let an agent write to production systems at all.

Evaluation before launch

We build a set of real examples with known-good outcomes and measure the agent against it, so quality is a number that can regress a build rather than a feeling. Prompt and tool changes get checked against that set the same way any other code change gets checked against tests.

Humans where the cost of being wrong is high

Full automation is not the goal. The goal is removing the work a person should not be doing while keeping judgment where judgment matters. In practice that usually means the agent drafts, routes, or flags, and a person approves anything expensive to undo.

Build a custom agent or buy an off-the-shelf tool?

Plenty of teams do not need a custom agent. Buying makes sense when a vendor already solves your workflow closely enough and the integration surface is small. Building makes sense when the workflow is specific to how your business operates, when the agent needs deep access to your own systems and data model, or when the automation is part of the product you sell to your own customers.

We give that assessment during scoping, including when the answer is that you should buy something and skip the engagement. A short honest conversation is cheaper for both of us than a build that should not have happened.

Why teams hire Hardihood for AI agents

AI only earns its place if it fits your product, your data, and how your team actually works. We bring product strategy, design, and engineering together so an agent ships as maintainable software, not a one-off experiment. That includes the security, reliability, and surrounding product experience that any other feature on your roadmap would need.

Looking for something narrower than a full agent build? Our Workspace problems → AI agents series walks through single, recurring workflow problems and the agents we'd build to fix them.

If you're exploring how we partner, see engagement models, browse client work, or read more in our FAQ.

Frequently asked questions

Most AI automation projects cost between $1,500 and $22,000 as a one-time setup. Simple Agent Sprints are $1,500–$4,000 (Focused $1,500, Connected $2,500, Full-Scope $4,000, paid upfront). Medium builds are typically $6,000–$11,000. Advanced custom AI starts around $14,000. Running costs usually add about 5–15% of setup per year. Well-scoped projects often pay for themselves in two to six months.

The standard we hold agents to

We build agents to the same bar as the rest of our software work. Polarity is the clearest example of that delivery standard: a multi-portal parking platform we took from an idea to launch and first revenue in five months, with automated enforcement, payment retries, and background job pipelines running unattended in production.

Idea to launch and revenue
5 mo

Idea to launch and revenue

Domain models
41

Domain models

Background job types
15+

Background job types

Role-based portals
5

Role-based portals

They moved quickly while making sure it was built the right way. The launch went smoothly, and we went from idea to launch and revenue in just five months.
Jake Gannon, Founder, Polarity
Read the Polarity case study

Related services

  • Backend development

    Agents need reliable APIs, data access, and permissions underneath them.

  • Product strategy

    Not sure the workflow is worth automating yet? Start by pressure-testing the problem.

  • Product design

    Supervision, review queues, and trust are design problems as much as engineering ones.

Related reading

Have an agent workflow in mind? Let’s talk through fit and scope.

Schedule a call or send us an email to get started.

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