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OpenZeppelin

38 indexed repositories · View on GitHub

openzeppelin-contracts
OpenZeppelin Contracts is a library for secure smart contract development.

Solidity · 27243 stars
openzeppelin-contracts-upgradeable
Upgradeable variant of OpenZeppelin Contracts, meant for use in upgradeable contracts.

JavaScript · 1173 stars
cairo-contracts
OpenZeppelin Contracts written in Cairo for Starknet, a decentralized ZK Rollup

Rust · 909 stars
openzeppelin-upgrades
Plugins for Hardhat and Foundry to deploy and manage upgradeable contracts on Ethereum.

TypeScript · 658 stars
contracts-wizard
Interactive smart contract generator based on OpenZeppelin Contracts.

TypeScript · 294 stars
openzeppelin-foundry-upgrades
Foundry library for deploying and managing upgradeable contracts

Solidity · 258 stars
openzeppelin-skills
Agent skills for secure smart contract development with OpenZeppelin Contracts libraries

211 stars
openzeppelin-confidential-contracts
Solidity library of encrypted contracts using Zama's FHEVM

TypeScript · 160 stars
openzeppelin-relayer
OpenZeppelin Relayer

Rust · 150 stars
rust-contracts-stylus
A library for secure smart contract development written in Rust

Rust · 146 stars
openzeppelin-monitor
A blockchain monitoring service that watches for specific on-chain activities and triggers notifications based on configurable conditions.

Rust · 140 stars
uniswap-hooks
Solidity library for secure and modular Uniswap hooks.

Solidity · 126 stars
stellar-contracts
OpenZeppelin Contracts written in Rust for Stellar Soroban

Rust · 95 stars
openzeppelin-community-contracts
Solidity library of smart contracts from the OpenZeppelin Community

Solidity · 92 stars
compact-contracts
OpenZeppelin Contracts written in Compact for Midnight

TypeScript · 55 stars
contracts-sui
OpenZeppelin's secure and reusable contracts for the Sui Move ecosystem.

Move · 49 stars
ui-builder
UI Builder is an open-source blockchain development tool that helps developers and non-developers create user-friendly interfaces for sma...

TypeScript · 48 stars
openzeppelin-mcp
Model Context Protocol Servers Repository for OpenZeppelin products

TypeScript · 29 stars
openzeppelin-transpiler

TypeScript · 23 stars
Event-Scanner
A lightweight highly performant event scanner built in rust

Rust · 19 stars
18 more repositories live on View on GitHub

Beginner friendly Everything

Open All

dev: move the curve runtime tests under crypto/curves Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

OpenZeppelin/compact-contracts#919 · Opened Sep 18, 2026
dev: make failed compiles fail the build Open

build enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

OpenZeppelin/compact-contracts#894 · Opened Sep 15, 2026
Fix out-of-bounds writes in TimelockControllerEnumerable pagination Open

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

OpenZeppelin/openzeppelin-community-contracts#281 · Opened Sep 11, 2026
dev: move the concurrency harness rationale into a design doc Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 86/100

OpenZeppelin/compact-contracts#861 · Opened Sep 8, 2026
docs(token): note that shared sk/ek voids the ek guard on sweep and clearMemos Open

1-medium documentation effort: 1-XS feat:token follow-up

Difficulty 1/5 Under an hour Newbie friendliness 75/100

OpenZeppelin/compact-contracts#855 · Opened Sep 4, 2026
crypto: document domain-tag position and arity rule Open

2-low effort: 2-S enhancement feat:crypto follow-up

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

OpenZeppelin/compact-contracts#854 · Opened Sep 4, 2026
Protocol 28: get_validated_context_by_id won't compile once soroban-sdk moves to 28.x (missing ContractExecutable::ExternalRef arm) Open

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

OpenZeppelin/stellar-contracts#865 · 1 comment · 1 reaction · Opened Sep 2, 2026
dev: rename CFT _creditEpochs to match what it counts Open

2-low effort: 1-XS enhancement feat:token follow-up

Difficulty 2/5 1-3 hours Newbie friendliness 75/100

OpenZeppelin/compact-contracts#834 · Opened Aug 27, 2026
Remove `Unshielded` form the FungilbeToken descriptoin to not confuse with the `Native` unshielded tokens Open

2-low effort: 2-S

Difficulty 1/5 Under an hour Newbie friendliness 86/100

OpenZeppelin/compact-contracts#820 · Opened Aug 22, 2026
N-11: ConfidentialFungibleToken Allowance Semantics Diverge From ERC-20 And Are Undocumented Open

2-low audit

Difficulty 1/5 Under an hour Newbie friendliness 86/100

OpenZeppelin/compact-contracts#816 · Opened Aug 21, 2026
N-08: Missing Relation Between ownPublicKey and Its Associated Private Key Open

2-low audit

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

OpenZeppelin/compact-contracts#813 · Opened Aug 21, 2026
N-04: Clarify Documentation Around Deterministic Encryption Of Zero And Resulting Metadata Leakage Open

2-low audit

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

OpenZeppelin/compact-contracts#809 · Opened Aug 21, 2026
N-03: Incomplete Documentation For Native Token Supply Wrappers Open

2-low audit

Difficulty 2/5 1-3 hours Newbie friendliness 85/100

OpenZeppelin/compact-contracts#808 · Opened Aug 21, 2026
L-06: clearMemos Does Not Return the Authenticated Identifier Open

2-low audit

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

OpenZeppelin/compact-contracts#804 · 1 comment · Opened Aug 21, 2026
Support transient state variables Open

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

OpenZeppelin/openzeppelin-transpiler#198 · Opened Aug 20, 2026
chore(deps): bump lru 0.16 -> 0.18 to fix RUSTSEC-2026-0253 Open

D-easy dependencies P-low

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

OpenZeppelin/openzeppelin-relayer#858 · Opened Aug 15, 2026
[adapter-stellar] grant_role/revoke_role argument order is pinned to stellar-contracts v0.5.x — breaks against >= v0.6.0 Open

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

OpenZeppelin/openzeppelin-adapters#72 · Opened Aug 13, 2026
Scope generic Stellar triggers to OpenZeppelin-specific skills Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

OpenZeppelin/openzeppelin-skills#14 · Opened Aug 11, 2026
develop-secure-contracts omits Stellar terms and overstates its security scope Open

Difficulty 1/5 Under an hour Newbie friendliness 88/100

OpenZeppelin/openzeppelin-skills#13 · Opened Aug 11, 2026
Create llms.txt Open

Difficulty 2/5 1-3 hours Newbie friendliness 64/100

OpenZeppelin/canton-specs#57 · Opened Aug 5, 2026
Create STYLEGUIDE.md Open

Difficulty 1/5 1-3 hours Newbie friendliness 72/100

OpenZeppelin/canton-specs#56 · Opened Aug 5, 2026
`validateBaseSlotUnchanged` never fires when layouts are read through `unfoldStorageLayout` Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

OpenZeppelin/openzeppelin-upgrades#1296 · Opened Aug 4, 2026
Docs: note that Android WebView cannot be cross-origin isolated, so WebView-embedded clients always prove single-threaded Open

Difficulty 1/5 1-3 hours Newbie friendliness 72/100

OpenZeppelin/stellar-contracts#833 · Opened Aug 4, 2026
dev: make .property.test.ts mean one thing Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

OpenZeppelin/compact-contracts#751 · Opened Jul 29, 2026
Improve typechecking Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

OpenZeppelin/compact-tools#135 · Opened Jul 28, 2026
Change default preview label from “Resolved account” to “Resolved address” Open

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

OpenZeppelin/openzeppelin-ui#201 · Opened Jul 23, 2026
Clarify ERC-3643 upstream provenance: canonical repo vs legacy npm package Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

OpenZeppelin/openzeppelin-adapters#47 · Opened Jun 15, 2026
Add `--skip-tsc` flag in CompactBuilder Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

OpenZeppelin/compact-tools#94 · Opened May 22, 2026
Stellar: Generated test asserts against the contract identifier instead of the stored token name Open

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

OpenZeppelin/contracts-wizard#805 · Opened May 20, 2026
Attempt publish before tagging in release workflow Open

github_actions

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

OpenZeppelin/compact-tools#90 · Opened May 20, 2026
Document HSM/KMS-backed BLS signing path for production operators Open

documentation enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

OpenZeppelin/openzeppelin-symbiotic-templates#115 · Opened May 12, 2026
Potential optimization to avoid FHE.gt check Open

Difficulty 2/5 1-3 hours Newbie friendliness 75/100

OpenZeppelin/openzeppelin-confidential-contracts#347 · Opened Apr 1, 2026
Publish proper ESM package exports for @openzeppelin/relayer-sdk Open

Difficulty 2/5 1-3 hours Newbie friendliness 70/100

OpenZeppelin/openzeppelin-relayer-sdk#254 · Opened Mar 29, 2026
Tutorial issues: wrong default EntryPoint address and incorrect viem destructuring Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

OpenZeppelin/docs#134 · 1 comment · Opened Mar 18, 2026
Move write permissions in `release.yml` to jobs that need the permissions Open

github_actions

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

OpenZeppelin/compact-tools#31 · Opened Dec 3, 2025
Document properly that yarn classic is required (v1.X) Open

Difficulty 1/5 1-3 hours Newbie friendliness 68/100

OpenZeppelin/contracts-wizard#739 · Opened Nov 25, 2025
Document use of precompiled proxies and compiler version for proxies Open

docs

Difficulty 2/5 1-3 hours Newbie friendliness 62/100

OpenZeppelin/openzeppelin-upgrades#1187 · 2 reactions · Opened Sep 3, 2025
[Docs Site]: Make Extensions, Utilities, Access Control Doc Expandable Open

effort: low type: docs

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

OpenZeppelin/rust-contracts-stylus#736 · 1 comment · Opened Jul 14, 2025
Insecure example in ERC721 documentation Open

Difficulty 1/5 Under an hour Newbie friendliness 75/100

OpenZeppelin/openzeppelin-contracts#4033 · 5 comments · Opened Feb 7, 2023

OpenZeppelin

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