Open protocol developers and consultants. Be open. Be the source.
We build open-source tools and infrastructure for Bitcoin SV, focusing on 1Sat Ordinals, overlay services, and developer experience.
Foundation libraries for building on Bitcoin SV.
| Repository | Description |
|---|---|
| bitcoin-auth | Message signing and verification using Bitcoin keys for authentication |
| bitcoin-backup | Encrypted backup and recovery utilities for Bitcoin wallets |
| bitcoin-image | Image handling and processing for on-chain data |
| bitcoinschema | Schema definitions for structured on-chain data |
| bitcoin-asset | Asset management utilities |
| satoshi-token | Utility library for converting between satoshi and token display formats |
| ts-templates | TypeScript script templates for common transaction patterns |
| go-templates | Go script templates for common transaction patterns |
| 1sat-wallet-toolbox | Wallet utilities for 1Sat Ordinals |
| txex | Extract files from BSV transactions (B://, BCAT, Ordinals) |
Bitcoin-native authentication and identity management.
| Repository | Description |
|---|---|
| bap-cli | Command line utilities for BAP (Bitcoin Attestation Protocol) identity |
| go-bitcoin-auth | Go implementation of bitcoin-auth |
| tokenpass-desktop | Desktop application for TokenPass identity management |
NFTs, tokens, and the 1Sat Ordinals ecosystem.
| Repository | Description |
|---|---|
| 1satordinals.com | Official 1Sat Ordinals website |
| 1sat-stack | Go-based infrastructure stack for 1Sat services |
| 1sat-university | Educational curriculum for BSV blockchain development |
| ordfs-server | TypeScript ORDFS server for serving on-chain files |
| go-ordfs-server | Go implementation of ORDFS server |
| theme-token | On-chain theming tokens |
| theme-token-sdk | SDK for theme token integration |
| theme-token-cli | CLI for theme token operations |
| theme-token-preview-harness | Preview harness for theme token content |
| bsv21-overlay | Overlay service for BSV-21 tokens |
Go-based overlay infrastructure for topic-specific transaction processing.
| Repository | Description |
|---|---|
| go-overlay-services | Core overlay services engine in Go |
| go-overlay-fiber | Fiber framework integration for overlay services |
| go-overlay-discovery-services | Service discovery for overlay networks |
| overlay | Main overlay implementation |
| bap-overlay | Overlay for BAP identity transactions |
| bsocial-overlay | Overlay for social transactions |
| opns-overlay | Overlay for OPNS (On-chain Naming) |
Tools for AI-assisted development and enhanced developer experience.
| Repository | Description |
|---|---|
| bsv-mcp | MCP (Model Context Protocol) server for Bitcoin SV |
| bsv-skills | Claude Code plugin for core BSV blockchain operations |
| 1sat-skills | Claude Code plugin for 1Sat Ordinals NFT operations |
| gemskills | Gemini integration skills for Claude Code |
| product-skills | Claude Code skills for SEO, legal compliance, and launch prep |
| claude-peacock | Visual project awareness plugin for Claude Code |
| claude-plugins | Plugin marketplace for b-open-io Claude Code plugins |
| statusline | Customizable statusline for Claude Code CLI |
| prompts | Curated prompts for generating code using open protocols |
| vscode-bitcoin | VSCode extension for Bitcoin development |
Supporting services and infrastructure components.
| Repository | Description |
|---|---|
| block-headers-service | Headers-only peer with Merkle root validation API |
| bmap-api | BMAP Planaria for B + MAP based applications |
| go-junglebus | Go client for JungleBus |
| go-bitcoin-image | Go implementation of bitcoin-image |
| pay-purse | Payment and purse management |
| homebrew-tap | Homebrew tap for b-open-io packages |
| tts-api | Text-to-speech API |
| agent-master-engine | Agent orchestration engine |
| Repository | Description |
|---|---|
| bitpic.net | BitPic avatar service |
| scribe | Timeline-based work evidence aggregator |
| bottlebird | Independent web browser with blockchain integration |
| bitbench | Development and testing workbench |
| Repository | Description |
|---|---|
| bigblocks-registry | Special components registry for BigBlocks |
The fastest way to start building on Bitcoin is with our Claude Code plugins.
# Browse all available plugins
claude plugins add b-open-io/claude-plugins
# Core BSV blockchain operations
claude plugins add b-open-io/bsv-skills
# 1Sat Ordinals NFT operations
claude plugins add b-open-io/1sat-skills# BAP identity management
npm install -g bap-cli
# Theme token operations
npm install -g theme-token-cli# Bitcoin authentication
npm install bitcoin-auth
# 1Sat Ordinals SDK
npm install 1sat-sdk- Website: bopen.io
- Twitter: @1satordinals
- 1Sat Ordinals: 1satordinals.com
Building the future of Bitcoin, one satoshi at a time.