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Blinky

github.com/seahyinghang8/blinky AI Code Review & Testing Open-source projectOpen source

Blinky provides an open-source AI debugging agent integrated into Visual Studio Code.

Visit Blinky 11 alternatives
github.com/seahyinghang8/blinky
Blinky homepage screenshot

About Blinky

Blinky is an open-source AI debugging agent that runs inside Visual Studio Code. It uses large language models (LLMs) to help identify and fix errors in backend code. The project is inspired by SWE-agent, and its core agent loop was adapted from that project. Blinky uses the VS Code API, the Language Server Protocol (LSP), and print statement debugging to locate and address bugs.

To use it, a developer installs the extension, describes the bug in the chat panel, and optionally lists repro steps. The agent then works on the code, and the developer can send feedback while it runs. When the agent finishes, the developer can accept or reject its changes. On first run, Blinky asks for an OpenAI API key, which is stored locally in the VS Code configuration. Requests are sent to OpenAI's servers, and the source does not describe other data handling.

Key features

  • Uses LLMs to identify and attempt fixes for backend code errors
  • Navigation tools such as GoToDefinition and GetAllReferences built on LSP
  • GetFilesRelevantToEndpoint tool for navigating backend systems
  • Verify tool runs user-specified repro steps until the test passes
  • Accepts user feedback while the agent is running
  • Match-and-replace file editing using line-numbered original text
Best for: Developers working on backend code in Visual Studio Code who are willing to supply their own OpenAI API key.
Good for
  • Open source, with the code available in a public GitHub repository
  • Runs inside VS Code through a chat interface and the editor's own APIs
  • Changes made by the agent are shown for review, with the option to accept or reject them
Watch out for
  • Requires an OpenAI API key, and requests are sent to OpenAI's servers
  • Support for other models such as LLaMA 3 and Claude is listed as a roadmap item, not a current feature
  • Repro steps are optional but recommended, and the roadmap notes that writing them is tedious and time-consuming

Blinky at a glance

Type
Open-source project
Pricing
Not confirmed. Check the site
Open source
Yes · Source code
Language
English
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026
open sourceapidebugging

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Blinky FAQ

How is Blinky related to SWE-agent?
Blinky's core agent loop was ported from SWE-agent. Blinky extends that work with navigation tools that use VS Code's Language Server Protocol, and it runs the agent inside VS Code.
What is the Verify tool?
Verify runs the repro steps that the user specified. The agent debugs the code iteratively until the test in the repro step passes, and it can use the output of its print statements as feedback.
How is the OpenAI API key handled?
Blinky prompts for the OpenAI API key on the first run. The key is stored locally in the VS Code configuration and is used for later calls to OpenAI's servers.
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Listing maintained by Chris McClure and the WebIndexly editors · Updated Oct 13, 2026 · How we rank