Capstop · Office #61,372

What it is

Calls itself “local proxy”.

• Calls itself: local proxy

“Capstop is a local proxy between your agent and OpenAI.”

Where it puts itself

Rules out “Hosted or managed setups”, “Team or monthly budgets” and “alerts” and 1 more.

• Says it will not: Hosted or managed setups · Team or monthly budgets · alerts · +1

“Team or monthly budgets, alerts, dashboards. Hosted or managed setups.”

What it costs

No monthly plan.

• Monthly: no

“Team or monthly budgets, alerts, dashboards.”

“Pricing isn't decided. We'll ask the waitlist before charging anyone.”

Who it sells to

Sells to developers. Built for small businesses and solo users. Made for Solo builders.

• Sells to: developers
• Company size: small businesses · solo / indie
• Made for: Solo builders

“Solo builders and small teams running agent loops and tool calls on paid OpenAI APIs.”

How it runs

A command-line tool for Linux. Runs locally and works offline. Offers an API. Open source. AI is the core of the product. You can bring your own API key.

• Kind: cli
• Runs on: Linux
• Runs where: on the device, offline
• API: yes
• Open source: yes
• AI role: core to the product
• Bring your own key: yes

“$ capstop serve --upstream http://127.0.0.1:9999”

“Needs Linux, bash and Python 3.11+ with venv .”

What it works with

Integrates with OpenAI. Runs inside Cloudflare Pages. Names GitHub and Linux on its pages.

• Integrates with: OpenAI
• Runs inside: Cloudflare Pages
• Names: GitHub · Linux

“Capstop”

“Cloudflare Pages”

What it offers as proof

In beta. Trying it asks for an email.

• Stage: beta
• Instant signup: yes
• Trial asks for: an email address

“Join early access”

“Join the waitlist (opens Tally form in a new tab)”