For agencies
An AI browser agent for agencies
An AI browser agent takes the repetitive browser work off an agency's plate: researching prospects, pulling numbers out of client dashboards, auditing sites page by page and watching competitors. Vassal Agent does it in your own signed-in browser and asks before it sends, publishes or deletes anything.
Agency jobs it handles
Prospect research and new business
Give it your ideal client and it builds a researched list: companies that fit, what their site and marketing look like today, who runs marketing, and a specific reason to reach out. It can check each prospect's site for the gap you fix, such as a slow page, no case studies or ads that point to a broken page, and draft a first note that mentions it. Every send waits for your Allow. The lead generation page goes deeper.
Client reporting pulls
Many client numbers live in dashboards with no export or no connector. The agent opens each one in your signed-in browser, reads the figures you name, puts them in one table and writes a first-draft summary. Schedule it for the first of the month and the table is in your Inbox when you arrive.
Site audits, page by page
Ask it to walk a client's site and check what you would check by hand: titles and descriptions, broken links, missing alt text, forms that fail, pages that still show last year's pricing. It reads many pages at once and returns a list of issues with the URL for each.
Competitor and market monitoring
Point it at competitors' pricing pages, ad libraries, job boards or launch pages. It tells you when one of them changes, with a link to the page.
Admin nobody wants
Filling vendor and directory forms, updating listings across platforms, copying briefs from email into your project tool. It fills everything in and stops at Submit.
Why agencies use a browser agent rather than scripts
Scripts and scrapers break when a site changes, and every client uses a different set of tools. A browser agent reads the page the way a person does, so it copes with new layouts and with tools no integration covers. When a site changes under a saved workflow, Vassal Agent works out the new layout and updates its notes for next time.
The cost is speed and determinism. For a fixed, high-volume job with a stable API, an integration or a script is still the better tool.
Control that fits client work
- Asks before anything leaves: sends, posts, publishes, payments, deletes.
- Rules in plain words: "Ask me before anything on this site", "Never press Publish". Owners can lock team rules.
- An activity log of every action the agent took, on which page, and whether a rule allowed it.
- Local by default: client logins, browsing and chats stay on your computer. Page content the AI reads goes to your own AI provider, not to us.
What it costs
$499 a month or $4,990 a year, with a private setup call and one custom workflow built for your agency in the first month. It uses your own AI plan, such as Claude Pro at $20 a month.
Questions
Can it log in to client accounts?
It works inside sessions you open. You sign in to each client tool yourself in the app's browser, and the agent uses that session. Passwords stay on your computer and are never recorded in workflows.
Can it publish or change things in a client's account?
Only with your approval. Before it posts, publishes, submits, pays or deletes, it stops and asks. You can also add a rule such as "Never do anything on this client's ad account" in plain words.
Can my team use it?
Each license covers two computers. An owner can set team rules that staff copies enforce and cannot loosen, such as never pressing Send on a given site.
Does it replace our reporting tool?
Not if your reporting tool connects to every source you use. It helps with the sources that have no connector, or with the checks a person still does by eye: reading a dashboard, comparing against last month, and writing the summary.
See it on your own work.
Try it free for 7 days with no card. After that it is $499 a month or $4,990 a year, with a private setup call and one custom workflow built with you.