Tact Language

Developed by TON Studio, powered by the community.

Features • Installation • Community • Troubleshooting

This extension for VSCode-based editors provides support for the Tact programming language. Tact is a next-generation programming language for building secure, scalable, and maintainable smart contracts on TON blockchain.

Features

Semantic syntax highlighting
Code completion with auto import, postfix completion, snippets, imports completion
Go to definition, implementation, type definition
Find all references, workspace symbol search, symbol renaming
Types and documentation on hover
Inlay hints for types, parameter names and more
On-the-fly inspections with quick fixes
Signature help inside calls, initOf and struct initialization
Lenses with implementation/reference counts
Gas estimates for assembly functions
Build and test projects based on Blueprint and Tact template
Integration with Tact compiler and Misti static analyzer
Formatting

Quick start

The easiest way to get started with Tact is in VS Code or editors based on it:

Install the Tact language extension in VS Code or in VS Code-based editors
Reload VS Code
That's it!

Installation

VS Code / VSCodium / Cursor / Windsurf

Get the latest .vsix file from releases from VS Code marketplace or from Open VSX Registry
In VS Code:
- Open the Command Palette (Ctrl+Shift+P or Cmd+Shift+P)
- Type "Install from VSIX"
- Select the downloaded .vsix file
- Reload VS Code

If you use Cursor, Windsurf, or any other AI-powered editor, you can feed it the following content, specifically created for LLMs:

https://docs.tact-lang.org/llms-full.txt — for full context
https://docs.tact-lang.org/llms-small.txt — for smaller context windows

Community

@tactlang on Telegram - Main community chat and discussion group.
@tactlang_ru on Telegram (Russian)
@tact_kitchen on Telegram - Channel with updates from the team.
@tact_language on X/Twitter
tact-lang organization on GitHub
@ton_studio on Telegram
@thetonstudio on X/Twitter

Troubleshooting

See TROUBLESHOOTING.md.

License

MIT