BLOCKCHAIN LAB DEVELOPER STACK
Tools, APIs and AI workflows for programmable infrastructure.
The working editions stay on GitHub Pages and GitHub. These pages explain them and link out. Nothing here replaces those apps.
01
Tools
Browser-native utilities. Gas, units, ABI, ENS, decoding, hashes, storage slots, standards, chains and tokens.
No account. No wallet connection.
blockchains.github.io/blockchainlab-tools/
02
API
Static JSON, rebuilt nightly. Chains, standards, papers, grants, hackathons. No key.
Open data. Each dataset names its source.
blockchains.github.io/blockchainlab-api/
03
MCP
Read-only tools for Cursor, Claude and other MCP clients. Papers, standards, fees, decode.
Open source. Not on the npm registry yet.
github.com/Blockchains/blockchainlab-mcp
Open source. Browser-native utilities. No wallet required. No account for the core tools. github.com/Blockchains
Tools
- GasFee estimator.
- UnitsWei, gwei, ether.
- ABIEncode, decode, selectors.
- Address / ENSChecksum and name.
- Tx decoderCall, logs, fees.
- Hash / MerkleHashes and proofs.
- Storage slotsMapping and array slots.
- EIP / ERC / BIPStandards explorer.
- ChainlistChain metadata.
- TokensToken inspection.
GitHub
- blockchainlab-toolsSource for the browser tools.
- blockchainlab-apiNightly static JSON. No key.
- blockchainlab-mcpRead-only tools for MCP clients.
- blockchainlab-lensCompanion repository.
- blockchainlab-labsCompanion repository.
- whitepapersSource documents.
github.com/Blockchains · Status · Changelog · Forge · Start a Build