Open-source harness · developer preview January 4, 2027

The foundation for companies that run on AI

Company agents your teams hand work to, and the infrastructure they run on. Use any or all of it with your current systems.

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Company agent Harness Sandboxes Model gateway Storage

Everything a company needs to run on agents. Five products that work alone or together.

Company agent
Harness
Sandboxes
Storage
Model gateway

Company agent

One agent for every team. Working in their tools, with your company’s knowledge.

Answers in Slack, email and the web app
Acts with the access of whoever asks
Starts each job from what the last one learned

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Lena Brooks8:02 AM

What changed in pipeline since Friday, and what needs me before the board call?

Company agent

Reading your tools

Pipeline is up $412k since Friday. Three things need you:

Northwind wants a security review. A reply is drafted.
Fernhill slipped to Q1 after their champion changed roles.
Two deals are waiting on your pricing approval.

Renewals agentNeeds approval

Send Northwind the security pack and DPA

Acting as LenaApprove

Agent infrastructure

The parts the company agent runs on. Use any one of them with your own agent.

Harness

The agent loop, in your repository. Open source, and yours to run.

Instructions and tools kept as code
Swap in your own models, sandboxes and storage
MIT licensed and free to self-host

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agents/triage.tsIllustrative

const agent = await adapt.agents.create({
  instructions: './agents/triage.md',
  tools: ['github', 'linear', 'sentry'],
})
await agent.run('Triage the new error reports')

Triage the new error reportsRunning the loop

Read the 3 new Sentry issues
Find the change behind each
Reproduce it in a sandbox
File a summary in Linear

Sandboxes

A computer for every run. What a model writes never runs inside your app.

Up to 32 vCPU and 32 GiB
Metered per second while it runs
A parked sandbox costs nothing

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Sandbox · Medium4 vCPU · 4 GiBParked

$ python report.py

✓ Loaded 3 exports

✓ Joined accounts and invoices

✓ Wrote report.pdf

CPU

Memory

Billed0:00by the second

report.pdfReady

Storage

Files and memory that outlast the run. Each run starts from what the last one found.

Files kept after the sandbox stops
Memories the next run can recall
Shared across your agents

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StorageFiles and memories

RenewalsRunning

Month-End CloseRunning

Files

reports/q3.mdWritten

exports/accounts.csv2 days ago

Memories

Northwind renews in MarchSaved

Fiscal year starts in February

Model gateway

Every major model, one API. Switch models in configuration, not in code.

Your own provider keys at 0% markup
Adapt’s keys at list price + 5.5%
A different model for each step

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RequestsOne API · your provider keys0% markup

ClaudeWrite the reply1.1s

GPTInvestigate the bug2.4s

GeminiClassify the ticket0.3s

Customers

Teams that run on Adapt. In their own words.

See all customers

It started with data access, but now every team at Wander runs on Adapt. It has become the operating layer for the entire company.”
Nathan PotterCTO, Wander
At DoNotPay, a task that previously took a customer support agent 45 minutes now takes 1 minute.”
Joshua BrowderCEO, DoNotPay
Earlier I had to spend all this time fetching this data, or working Codex to it. Now I can do it in Slack, and everyone can see the data.”
Udhav GoenkaCTO, Orion Sleep

Run your company on Adapt

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