Introducing Acton — a new, modern toolchain for developing smart contracts on TON
Acton covers the full development lifecycle: project creation, testing, debugging, dApp integration, deployment, and verification.
CLI-first by design, it works naturally for both developers and AI agents.
1. One toolchain, not a bunch of utilities
Create, build, test, lint, format, deploy, and verify TON contracts in a single coherent environment around Tolk.
2. A tighter build-test-debug loop
Write tests directly in Tolk programming language, run them fast, debug failed transactions, and inspect what actually happened on-chain.
3. Security built in
Coverage, fuzzing, mutation testing, gas profiling, and CI help catch regressions early.
4. A native debugger
Step in, step over, step out, watch variables, and inspect the call stack. A smooth Web2-style developer experience, now inside a blockchain language.
5. Friendly for AI agents
A modern CLI tool that becomes an agent's runtime, with skills and manuals bundled.
6. IDE integtation
Use it with VS Code, JetBrains, Cursor, Zed, and other LSP‑based editors.
Read more »
Docs »
Author's notes »
Acton covers the full development lifecycle: project creation, testing, debugging, dApp integration, deployment, and verification.
CLI-first by design, it works naturally for both developers and AI agents.
1. One toolchain, not a bunch of utilities
Create, build, test, lint, format, deploy, and verify TON contracts in a single coherent environment around Tolk.
2. A tighter build-test-debug loop
Write tests directly in Tolk programming language, run them fast, debug failed transactions, and inspect what actually happened on-chain.
3. Security built in
Coverage, fuzzing, mutation testing, gas profiling, and CI help catch regressions early.
4. A native debugger
Step in, step over, step out, watch variables, and inspect the call stack. A smooth Web2-style developer experience, now inside a blockchain language.
5. Friendly for AI agents
A modern CLI tool that becomes an agent's runtime, with skills and manuals bundled.
6. IDE integtation
Use it with VS Code, JetBrains, Cursor, Zed, and other LSP‑based editors.
Read more »
Docs »
Author's notes »
ton-blockchain.github.io
Acton — a unified toolchain for TON
Acton is an all-in-one CLI built around Tolk — from project creation to tests, debugging, dApp integration, deployment, and verification.
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One of Acton’s key features is its advanced support for developing TON smart contracts using AI.
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Next technical objective: increasing shardchain performance
Under normal load, TON operates on a single shardchain. Under peak load, dynamic sharding is activated: the network splits into multiple shardchains, increasing throughput while maintaining static fees. In this mode, operation execution time may increase by several seconds.
With TON 2026.05 we start a new series of updates focused on performance improvement of a single shardchain
The objective is to activate dynamic sharding at a load level at which other blockchains cannot operate effectively.
TON 2026.05-rc »
Update timeline »
Under normal load, TON operates on a single shardchain. Under peak load, dynamic sharding is activated: the network splits into multiple shardchains, increasing throughput while maintaining static fees. In this mode, operation execution time may increase by several seconds.
With TON 2026.05 we start a new series of updates focused on performance improvement of a single shardchain
The objective is to activate dynamic sharding at a load level at which other blockchains cannot operate effectively.
TON 2026.05-rc »
Update timeline »
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Guidelines for TON wallets regarding mnemonics, IDs, and smart contracts have been published
We ask that wallets and SDKs follow these guidelines to ensure product compatibility.
https://github.com/ton-blockchain/TEPs/blob/master/text/0003-wallets.md
We ask that wallets and SDKs follow these guidelines to ensure product compatibility.
https://github.com/ton-blockchain/TEPs/blob/master/text/0003-wallets.md
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