# Ellipsis > Ellipsis is an AI software engineer that reviews pull requests, proposes and applies bug fixes, summarizes code changes, and answers developer questions via a web app integrated with GitHub and Slack. Ellipsis provides an AI software engineer that reviews pull requests, suggests and implements bug fixes, summarizes recent code changes, and answers questions about your codebase. It runs as a hosted web application that integrates with GitHub for automated and on-demand reviews and with Slack for notifications. Teams purchase per-developer licenses and can try Ellipsis with a 7-day free trial. - **Code Review** — Automatically reviews pull requests and leaves contextual comments on diffs; enable automatic reviews or request a single review by mentioning `@ellipsis` in a PR. - **Bug Fixes** — Identifies likely bugs and suggests or generates fixes; use the web dashboard to apply or review suggested changes before merging. - **Pull Request Summaries** — Produces concise summaries of recent changes to speed onboarding and reviews; view summaries in the PR or in the Ellipsis dashboard. - **Code Generation & Implementation Plans** — Generates implementation suggestions and code snippets to address requested changes; open the relevant PR or ask questions in the dashboard to get proposals. - **Question & Answer** — Ask natural-language questions about the codebase via the app or PR comments to get explanations, reasoning, and references. - **Workflows & Integrations** — Configure React, cron, and tag-based workflows and integrate with Slack for alerts; connect GitHub via OAuth to enable automatic reviews and license checks. Getting started: sign in with GitHub, connect your repository, and enable automatic reviews or leave a PR comment to trigger a one-off review. Manage licenses and permissions in Settings > Billing and Permissions. For teams interested in an on-premises/private deployment, contact the Ellipsis support team for deployment options and onboarding assistance. ## Features - Automated pull request code reviews - Automated and suggested bug fixes - Pull request summaries - Code generation and implementation plans - Question & answer about codebase - Analytics and activity reports - React, cron, and tag workflows ## Integrations GitHub, Slack ## Platforms WEB, API ## Pricing Open Source, Free tier available ## Links - Website: https://app.ellipsis.dev/ - Documentation: https://docs.ellipsis.dev/ - Repository: https://github.com/ellipsis_dev - EveryDev.ai: https://www.everydev.ai/tools/ellipsis