# Overview
[PR-Agent](https://github.com/Codium-ai/pr-agent) is an open-source tool to help efficiently review and handle pull requests.
Qodo Merge is a hosted version of PR-Agent, designed for companies and teams that require additional features and capabilities
- See the [Installation Guide](./installation/index.md) for instructions on installing and running the tool on different git platforms.
- See the [Usage Guide](./usage-guide/index.md) for instructions on running commands via different interfaces, including _CLI_, _online usage_, or by _automatically triggering_ them when a new PR is opened.
- See the [Tools Guide](./tools/index.md) for a detailed description of the different tools.
- See the [Video Tutorials](https://www.youtube.com/playlist?list=PLRTpyDOSgbwFMA_VBeKMnPLaaZKwjGBFT) for practical demonstrations on how to use the tools.
## Docs Smart Search
To search the documentation site using natural language:
1) Comment `/help "your question"` in either:
- A pull request where Qodo Merge is installed
- A [PR Chat](https://qodo-merge-docs.qodo.ai/chrome-extension/features/#pr-chat)
2) The bot will respond with an [answer](https://github.com/Codium-ai/pr-agent/pull/1241#issuecomment-2365259334) that includes relevant documentation links.
## Features
PR-Agent and Qodo Merge offers extensive pull request functionalities across various git providers:
| | | GitHub | GitLab | Bitbucket | Azure DevOps | Gitea |
| ----- |---------------------------------------------------------------------------------------------------------------------|:------:|:------:|:---------:|:------------:|:-----:|
| [TOOLS](https://qodo-merge-docs.qodo.ai/tools/) | [Describe](https://qodo-merge-docs.qodo.ai/tools/describe/) | ✅ | ✅ | ✅ | ✅ | ✅ |
| | [Review](https://qodo-merge-docs.qodo.ai/tools/review/) | ✅ | ✅ | ✅ | ✅ | ✅ |
| | [Improve](https://qodo-merge-docs.qodo.ai/tools/improve/) | ✅ | ✅ | ✅ | ✅ | ✅ |
| | [Ask](https://qodo-merge-docs.qodo.ai/tools/ask/) | ✅ | ✅ | ✅ | ✅ | |
| | ⮑ [Ask on code lines](https://qodo-merge-docs.qodo.ai/tools/ask/#ask-lines) | ✅ | ✅ | | | |
| | [Help Docs](https://qodo-merge-docs.qodo.ai/tools/help_docs/?h=auto#auto-approval) | ✅ | ✅ | ✅ | | |
| | [Update CHANGELOG](https://qodo-merge-docs.qodo.ai/tools/update_changelog/) | ✅ | ✅ | ✅ | ✅ | |
| | [Add Documentation](https://qodo-merge-docs.qodo.ai/tools/documentation/) 💎 | ✅ | ✅ | | | |
| | [Analyze](https://qodo-merge-docs.qodo.ai/tools/analyze/) 💎 | ✅ | ✅ | | | |
| | [Auto-Approve](https://qodo-merge-docs.qodo.ai/tools/improve/?h=auto#auto-approval) 💎 | ✅ | ✅ | ✅ | | |
| | [CI Feedback](https://qodo-merge-docs.qodo.ai/tools/ci_feedback/) 💎 | ✅ | | | | |
| | [Custom Prompt](https://qodo-merge-docs.qodo.ai/tools/custom_prompt/) 💎 | ✅ | ✅ | ✅ | | |
| | [Generate Custom Labels](https://qodo-merge-docs.qodo.ai/tools/custom_labels/) 💎 | ✅ | ✅ | | | |
| | [Generate Tests](https://qodo-merge-docs.qodo.ai/tools/test/) 💎 | ✅ | ✅ | | | |
| | [Implement](https://qodo-merge-docs.qodo.ai/tools/implement/) 💎 | ✅ | ✅ | ✅ | | |
| | [Scan Repo Discussions](https://qodo-merge-docs.qodo.ai/tools/scan_repo_discussions/) 💎 | ✅ | | | | |
| | [Similar Code](https://qodo-merge-docs.qodo.ai/tools/similar_code/) 💎 | ✅ | | | | |
| | [Ticket Context](https://qodo-merge-docs.qodo.ai/core-abilities/fetching_ticket_context/) 💎 | ✅ | ✅ | ✅ | | |
| | [Utilizing Best Practices](https://qodo-merge-docs.qodo.ai/tools/improve/#best-practices) 💎 | ✅ | ✅ | ✅ | | |
| | [PR Chat](https://qodo-merge-docs.qodo.ai/chrome-extension/features/#pr-chat) 💎 | ✅ | | | | |
| | [Suggestion Tracking](https://qodo-merge-docs.qodo.ai/tools/improve/#suggestion-tracking) 💎 | ✅ | ✅ | | | |
| | | | | | | |
| [USAGE](https://qodo-merge-docs.qodo.ai/usage-guide/) | [CLI](https://qodo-merge-docs.qodo.ai/usage-guide/automations_and_usage/#local-repo-cli) | ✅ | ✅ | ✅ | ✅ | ✅ |
| | [App / webhook](https://qodo-merge-docs.qodo.ai/usage-guide/automations_and_usage/#github-app) | ✅ | ✅ | ✅ | ✅ | ✅ |
| | [Tagging bot](https://github.com/Codium-ai/pr-agent#try-it-now) | ✅ | | | | |
| | [Actions](https://qodo-merge-docs.qodo.ai/installation/github/#run-as-a-github-action) | ✅ | ✅ | ✅ | ✅ | |
| | | | | | | |
| [CORE](https://qodo-merge-docs.qodo.ai/core-abilities/) | [Adaptive and token-aware file patch fitting](https://qodo-merge-docs.qodo.ai/core-abilities/compression_strategy/) | ✅ | ✅ | ✅ | ✅ | |
| | [Auto Best Practices 💎](https://qodo-merge-docs.qodo.ai/core-abilities/auto_best_practices/) | ✅ | | | | |
| | [Chat on code suggestions](https://qodo-merge-docs.qodo.ai/core-abilities/chat_on_code_suggestions/) | ✅ | ✅ | | | |
| | [Code Validation 💎](https://qodo-merge-docs.qodo.ai/core-abilities/code_validation/) | ✅ | ✅ | ✅ | ✅ | |
| | [Dynamic context](https://qodo-merge-docs.qodo.ai/core-abilities/dynamic_context/) | ✅ | ✅ | ✅ | ✅ | |
| | [Fetching ticket context](https://qodo-merge-docs.qodo.ai/core-abilities/fetching_ticket_context/) | ✅ | ✅ | ✅ | | |
| | [Global and wiki configurations](https://qodo-merge-docs.qodo.ai/usage-guide/configuration_options/) 💎 | ✅ | ✅ | ✅ | | |
| | [Impact Evaluation](https://qodo-merge-docs.qodo.ai/core-abilities/impact_evaluation/) 💎 | ✅ | ✅ | | | |
| | [Incremental Update 💎](https://qodo-merge-docs.qodo.ai/core-abilities/incremental_update/) | ✅ | | | | |
| | [Interactivity](https://qodo-merge-docs.qodo.ai/core-abilities/interactivity/) | ✅ | ✅ | | | |
| | [Local and global metadata](https://qodo-merge-docs.qodo.ai/core-abilities/metadata/) | ✅ | ✅ | ✅ | ✅ | |
| | [Multiple models support](https://qodo-merge-docs.qodo.ai/usage-guide/changing_a_model/) | ✅ | ✅ | ✅ | ✅ | |
| | [PR compression](https://qodo-merge-docs.qodo.ai/core-abilities/compression_strategy/) | ✅ | ✅ | ✅ | ✅ | |
| | [PR interactive actions](https://www.qodo.ai/images/pr_agent/pr-actions.mp4) 💎 | ✅ | ✅ | | | |
| | [RAG context enrichment](https://qodo-merge-docs.qodo.ai/core-abilities/rag_context_enrichment/) | ✅ | | ✅ | | |
| | [Self reflection](https://qodo-merge-docs.qodo.ai/core-abilities/self_reflection/) | ✅ | ✅ | ✅ | ✅ | |
| | [Static code analysis](https://qodo-merge-docs.qodo.ai/core-abilities/static_code_analysis/) 💎 | ✅ | ✅ | | | |
!!! note "💎 means Qodo Merge only"
All along the documentation, 💎 marks a feature available only in [Qodo Merge](https://www.codium.ai/pricing/){:target="_blank"}, and not in the open-source version.
## Example Results
#### [/describe](https://github.com/Codium-ai/pr-agent/pull/530)
{width=512}
#### [/review](https://github.com/Codium-ai/pr-agent/pull/732#issuecomment-1975099151)
{width=512}
#### [/improve](https://github.com/Codium-ai/pr-agent/pull/732#issuecomment-1975099159)
{width=512}
#### [/generate_labels](https://github.com/Codium-ai/pr-agent/pull/530)
{width=300}
## How it Works
The following diagram illustrates Qodo Merge tools and their flow:
Check out the [PR Compression strategy](core-abilities/index.md) page for more details on how we convert a code diff to a manageable LLM prompt