Backed byY Combinator

Automate the web work your team still does by hand.

Rindler signs into the sites your team already uses and does the busywork of a room full of operators. Even behind a login.

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Works with the agent you already use.

Point any MCP-compatible agent at one hosted server and every mapped site arrives as typed tools. Nothing about the agent changes; it just gains the sites.

  • Claude Code
  • Codex
  • Cursor
  • Devin
  • Claude
  • ChatGPT

and any other MCP client →

Stop babysitting portals.

A crawler guesses at the page. A scripted browser breaks when the page changes. A mapped site just answers, the same way every time.

A crawler

Guesses at the page. Pays tokens for nav, footer, and tracking noise, then stops at the portal's login wall anyway.

A scripted browser

One selector moves and the run dies. The break is yours to find in prod, and yours to fix before the next run.

A mapped site

Fallbacks absorb what they can, mid-request. The rest is ours to fix, and never lands in your codebase.

Built to do the hard parts.

The parts of the web that were never built for agents: no API, a login wall, a page instead of a record. That is what Rindler is for.

Any portal becomes tools

Sites that never had an API, mapped into tools your agent can call.

Past the login wall

403s and bot walls. You sign in once and Rindler reuses the session; some sites tie a login to one live browser, and there it is per task.

Structured records, every run

Structured records your systems can consume, the same shape every run.

How it works.

Tell us what you need

Enter the website your agents need

Safety

We sign in for you. Here's what keeps that safe.

Credentials are encrypted the moment you enter them and stay encrypted through every run. They are never shown to the models doing the work.

Isolation

Each site's access is handled separately. Connecting one never grants another, and disconnecting ends it.

Monitoring

Every run shows up in your account with what it did, so nothing happens out of sight.

Running a security review? Send us the questionnaire.

Reliability isn't the feature. It's the product.

Benchmarked on open-source agents. Same tests, same agents.

Pick Claude Haiku 4.5 in the live demo, one of the smallest models available. The structured site data does the heavy lifting.

3x

Fewer failed tasks

Deterministic, stateful actions mean your agents finish what they start, on every site we map.

4x

Faster task completions

Cut end-to-end latency drastically. Mapped sites give your agents the fastest path from request to done.

6x

Cheaper agent execution

Structured results slash token overhead, so your agents run every task at a fraction of the cost.

Automate the sites your work depends on.

Talk to us and we'll scope your sites, volume, access, and terms, then tell you exactly what we would deploy.

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Still have more questions? Read the FAQ →