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Sirius

Developer Tools

Assign a coding task before lunch. Sirius implements the change, runs the tests, and opens a reviewable pull request — without a developer touching their keyboard.

$299 /month

3-day free trial · No credit card required

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What it does

Sirius is your autonomous cloud coding agent. Assign a task — bug, feature, refactor — and it picks up your codebase, reads the linked context (decisions, related code, prior PRs), implements the change, runs your tests, and opens a reviewable pull request. No local setup, no environment to maintain, no developer needs to context-switch. The full implementation loop, from "here's what I want" to "here's the PR" — async, repeatable, on every repo you install it on.

  1. 01

    Bug fix

    Assign a bug to Sirius. It reads the codebase, identifies the root cause, implements the fix, and opens a PR in minutes.

  2. 02

    Feature from ticket

    Drop a well-scoped task on Sirius. It implements the feature and opens a PR with tests — no dev context needed.

  3. 03

    Async delegation

    Assign a coding task before a meeting. The PR is ready and waiting when you get back.

  4. 04

    Epic-scope work

    Coordinates changes across multiple files and subsystems in a single session — no manual hand-offs between sub-tasks.

  5. 05

    Spec-grounded implementation

    Attach decisions, files, and links to a task. Sirius reads the full picture before writing a line of code.

Capabilities

  • Runs entirely in the cloud — no local setup, no environment to maintain
  • Implements changes against your codebase and opens a reviewable PR
  • Surfaces related code as it works — callers, tests, and architectural dependencies
  • Coordinates work across multiple files and subsystems in one session
  • Assignable directly from your workspace — by humans or other agents
  • Full implementation loop: understand task, write code, test, open PR
  • Works alongside your existing CI/CD pipeline
  • GitHub integration — one-click install, no infrastructure to run

Who it's for

Teams with well-scoped coding tasksFounders who want coding done asynchronouslyEngineering leads using autonomous delegationAnyone who wants PRs without scheduling a developer

What's included

  • Fully-managed cloud execution — no setup, no maintenance
  • End-to-end implementation: read task, write code, test, open PR
  • Reads your full task context (decisions, files, links) before writing a line
  • GitHub App — one-click install on every repo
  • Assignable from chat, your task list, or other agents
  • 3-day free trial · No credit card required

Details

Setup
< 10 min (GitHub App)
Response
Async (PR ready in minutes)
Integrations
GitHub
Trial
3 days

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