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AI code review and fix PRs for GitHub. HeyDeer checks every finding against your code before posting it and reviews against your AGENTS.md and repository checks. Free plan, no seat fees.

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Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.

Which is more popular?
Based on our record, GitHub seems to be more popular. It has been mentioned 2530 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | heydeer.ai | github.com |
| Pricing | ||
| Platforms | — | |
| Company | Startup from Singapore · 10 - 19 employees · 2026 | Startup from the United States · 500 - 999 employees · 2008 |
| Listed in |
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HeyDeer reviews GitHub pull requests against your codebase and your team's standards. It reviews each change independently of the person or AI agent that wrote it. How it works Install the HeyDeer GitHub App, choose repositories, and comment @heydeer review on a pull request, or turn on...
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GitHub is an essential platform for modern software development. It makes it easy to host, manage, and collaborate on code while providing powerful tools for version control, project management, and team...
GitHub Discussions is a communication forum for the community around an open source or internal project. Discussions enable fluid, open conversation in a public forum. Discussions are transparent and accessible, but...
However, like any (human) product, the platform has its limits, downsides, and critics. GitHub has been barred by certain governments, and even if that isn’t exactly the company’s fault, the users are the ones limited...
Recommendations tracked on public social media and blogs since March 2021.


Tracking HeyDeer.ai since Sep 2026.
Git clone https://github.com//switch.git && cd switch Just init-env # writes .env with freshly generated secrets, prints the admin login Uv sync --project core # Python packages for switch-core (the project lives in... - Source: dev.to / about 6 hours ago
Api=http://127.0.0.1:3082/orchestrator/api H='x-orchestrator-request: 1' # 1. Source: repository + agent CLI (runs the setup check; restarts on success) Curl -s -X PUT -H "$H" -H 'content-type: application/json'... - Source: dev.to / 1 day ago
It looks like subagents will do this with curl requests and stuff whatever identifiers it can into the UA header. For instance some requests I made to our webserver: company-helm-research/1.0 (Claude Code agent run by ,... - Source: Hacker News / 2 days ago
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