Build better on
Ethereum
Open-source developer tools for the EVM ecosystem. Decode transactions, parse ABIs, and interact with any chain — built for backend developers who need reliability at scale.
The Problem & Solution
Why EVM Tooling exists
The status quo
Fragmented ecosystem — every project re-implements ABI parsing, tx decoding, and RPC boilerplate
Frontend-first bias — most EVM libraries are designed for dApps, not backend services or indexers
Poor type safety — manual type casting, missing error types, and inconsistent APIs across packages
Our approach
Unified packages — consistent, composable tools for every common EVM development pattern
Backend-first — designed for server-side workflows, CLI pipelines, and high-throughput indexing
Fully typed — end-to-end TypeScript with generated types, rich errors, and comprehensive docs
Developer Tools
Everything you need
Modular packages that cover the full spectrum of EVM backend development. Use them together or individually.
ABI Utils
Parse, validate, and generate type-safe bindings from any contract ABI. Supports proxy resolution and interface merging.
Decoder
Decode transaction calldata, event logs, traces, and revert reasons with automatic ABI resolution.
RPC Client
Lightweight JSON-RPC client with automatic retries, request batching, and multi-chain routing.
Gas Analyzer
Profile gas usage, estimate costs across networks, and surface optimization opportunities.
Toolkit CLI
Command-line interface for decoding, querying, scaffolding, and debugging on-chain data.
Common
Shared types, chain configurations, constants, and utility functions used across all packages.
Why developers choose us
Built for production
Type-Safe Bindings
Auto-generated TypeScript types from ABIs
Battle-Tested
Tested against real mainnet transaction data
High Performance
Optimized for high-throughput indexing
Multi-Chain
Any EVM chain — L1s, L2s, testnets
Modular
Install only the packages you need
Open Source
MIT licensed, contributions welcome
NPM Packages
Modular by design
Install only what you need. Each package is independently versioned and tested.
@evm-tooling/abi-utilsParse, validate, and generate type-safe bindings from any contract ABI. Supports proxy resolution and interface merging.
@evm-tooling/decoderDecode transaction calldata, event logs, traces, and revert reasons with automatic ABI resolution.
@evm-tooling/rpc-clientLightweight JSON-RPC client with automatic retries, request batching, and multi-chain routing.
@evm-tooling/gas-analyzerProfile gas usage, estimate costs across networks, and surface optimization opportunities.
@evm-tooling/toolkit-cliCommand-line interface for decoding, querying, scaffolding, and debugging on-chain data.
@evm-tooling/commonShared types, chain configurations, constants, and utility functions used across all packages.
Start building today
Install any package and start decoding, querying, or analyzing EVM data in minutes.
Community
Get involved
EVM Tooling is open source and actively maintained. We welcome contributions, bug reports, and feature ideas from the community.