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mlabs-haskell

61 indexed repositories · View on GitHub

awesome-plutus

75 stars
plutip
A Cardano tool to spin up a testnet and run contracts with an EDSL to describe the instructions. Rhymes with tulip for no particular reason.

Haskell · 55 stars
lambda-buffers
LambdaBuffers toolkit for sharing types and their semantics between different languages

Haskell · 32 stars
bot-plutus-interface
Unofficial PAB implementation

Haskell · 21 stars
cardano-open-oracle-protocol
COOP - Cardano open oracle protocol

Haskell · 21 stars
cardano.nix
Nix ❤️ Cardano

Nix · 20 stars
ply
A helper library for working with Plutus blueprints (Aiken or Plutarch)

Haskell · 19 stars
styleguide

Nix · 16 stars
apropos
Propositional Logic Apropos Types

Haskell · 15 stars
cardano-dev-wallet
A browser-based Cardano wallet for developers & testers

TypeScript · 13 stars
seath

PureScript · 11 stars
the-plutus-scaffold
Up-to-data version of plutus-scaffold. It's a fuller example utilizing ctl, see the overview in README. This project contains the build s...

Nix · 10 stars
clb
Cardano Node Emulator (next-gen PSM)

Haskell · 10 stars
purus
A work-in-progress PureScript to Plutus Core compiler

Haskell · 8 stars
hydra-auction
An auction system running on Hydra L2 solution

Haskell · 7 stars
proto.nix
Nix utilities for generating language-specific bindings from Google Protocol Buffers .proto files.

Nix · 7 stars
purescript-cardano-types
Domain types for Cardano

PureScript · 7 stars
seabug
Combined components for Seabug deployment

Nix · 6 stars
flake-lang.nix
Nix tools powering polyglot repositories

Nix · 6 stars
purescript-aeson
Json (de/en)coders library that works with arbitrary-length numeric types (compatible with Aeson)

Nix · 6 stars
41 more repositories live on View on GitHub

Beginner friendly Everything

Open All

Add integration tests for the highest-risk failure paths Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

mlabs-haskell/cardano.nix#174 · Opened Jul 27, 2026
Investigate a Mithril signer module Open

Difficulty 5/5 Over a week Newbie friendliness 28/100

mlabs-haskell/cardano.nix#173 · Opened Jul 27, 2026
Block producer and relay roles should be explicit Open

Difficulty 5/5 Over a week Newbie friendliness 45/100

mlabs-haskell/cardano.nix#172 · Opened Jul 27, 2026
Make the packaged SPO workflows fail safely Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

mlabs-haskell/cardano.nix#171 · Opened Jul 27, 2026
Expose guild-operator scripts as Nix entry points Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

mlabs-haskell/cardano.nix#170 · Opened Jul 27, 2026
Package SPO certificate and key generation Open

Difficulty 5/5 Over a week Newbie friendliness 45/100

mlabs-haskell/cardano.nix#169 · Opened Jul 27, 2026
Investigate `spo-anywhere` integration Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

mlabs-haskell/cardano.nix#168 · Opened Jul 27, 2026
Give AI coding assistants an accurate source to read Open

Difficulty 5/5 Over a week Newbie friendliness 45/100

mlabs-haskell/cardano.nix#167 · Opened Jul 27, 2026
Add an option to bootstrap node state from a Mithril snapshot Open

Difficulty 5/5 Over a week Newbie friendliness 38/100

mlabs-haskell/cardano.nix#166 · Opened Jul 27, 2026
Make first-time Cardano.nix adoption easier to complete Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

mlabs-haskell/cardano.nix#165 · Opened Jul 27, 2026
Identify and prioritize gaps in NixOS integration-test coverage Open

Difficulty 5/5 Over a week Newbie friendliness 45/100

mlabs-haskell/cardano.nix#164 · Opened Jul 27, 2026
Eliminators for Opaques Open

bug

mlabs-haskell/c2uplc#22 · 1 assignee · Opened Mar 5, 2026
Milestone 4 report Open

documentation

mlabs-haskell/grumplestiltskin#21 · 1 assignee · Opened Feb 19, 2026
No projection/embedding stubs for `BLS12_381_MlResult` Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

mlabs-haskell/c2uplc#17 · Opened Feb 10, 2026
`decideUniType` maps `StringT` to `DefaultUniByteString` should be `DefaultUniString` Open

Difficulty 1/5 Under an hour Newbie friendliness 68/100

mlabs-haskell/c2uplc#16 · Opened Feb 10, 2026
`err` can't be passed to polymorphic builtins type resolves to Abstraction instead of concrete type Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

mlabs-haskell/covenant#142 · Opened Feb 10, 2026
Develop smart contracts and transactions for managing Hydra groups Open

high-priority offchain onchain

mlabs-haskell/cardano-racers#34 · 1 assignee · Opened Jan 8, 2026
Support multiple L2 races within one Hydra Head Open

hydra medium-priority scalability

Difficulty 5/5 Over a week Newbie friendliness 30/100

mlabs-haskell/cardano-racers#33 · Opened Jan 8, 2026
Compile an executable of lbf-frontend on CD and publish to GitHub releases Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

mlabs-haskell/lambda-buffers#296 · Opened Jan 5, 2026
Create a more user friendly CLI Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

mlabs-haskell/lambda-buffers#295 · Opened Jan 5, 2026
Write documentation for nix-free path Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

mlabs-haskell/lambda-buffers#294 · Opened Jan 5, 2026
Announce reward distribution in Hydra Head Open

high-priority hydra

mlabs-haskell/cardano-racers#31 · 1 assignee · Opened Jan 2, 2026
Implement DistributeRewards contract Open

high-priority offchain

mlabs-haskell/cardano-racers#29 · 1 assignee · Opened Dec 30, 2025
Add formatting check to nix flake Open

low-hanging fruit medium-priority nix

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

mlabs-haskell/cardano-racers#28 · Opened Dec 29, 2025
Restore docs in flake.nix Open

low-priority nix

Difficulty 3/5 1-2 days Newbie friendliness 20/100

mlabs-haskell/cardano-racers#27 · Opened Dec 29, 2025
Hydra `Initial` validator rejects CommitTx after re-serialization Open

bug high-priority hydra

mlabs-haskell/cardano-racers#26 · 1 assignee · Opened Dec 25, 2025
Implement RaceValidator Open

high-priority onchain

mlabs-haskell/cardano-racers#25 · 1 assignee · Opened Dec 19, 2025
Commit L1 race state to Hydra Head Open

high-priority hydra

mlabs-haskell/cardano-racers#23 · 1 assignee · Opened Dec 18, 2025
Update onchain dependencies (plutus-ledger-api, etc.) Open

low-priority maintenance

Difficulty 3/5 1-2 days Newbie friendliness 25/100

mlabs-haskell/cardano-racers#22 · Opened Dec 18, 2025
Better validations in the application level Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mlabs-haskell/tx-village#22 · Opened Dec 18, 2025
Dykstra HF Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mlabs-haskell/lambda-buffers#293 · Opened Dec 18, 2025
Nix-free path Open

devops

Difficulty 5/5 Over a week Newbie friendliness 25/100

mlabs-haskell/lambda-buffers#292 · Opened Dec 18, 2025
Split codegen modules into separate packages for better modularity Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

mlabs-haskell/lambda-buffers#291 · Opened Dec 18, 2025
Transaction observer service Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

mlabs-haskell/tx-village#21 · Opened Dec 16, 2025
Internal ex unit calculation Open

tx-bakery

Difficulty 5/5 Over a week Newbie friendliness 25/100

mlabs-haskell/tx-village#20 · Opened Dec 16, 2025
Hydra compatibility: implement an indexer for the Hydra node Open

tx-indexer

Difficulty 5/5 Over a week Newbie friendliness 20/100

mlabs-haskell/tx-village#19 · Opened Dec 15, 2025
Hydra compatibility: build and submit tx-bakery transactions to a Hydra node Open

tx-bakery

Difficulty 5/5 Over a week Newbie friendliness 15/100

mlabs-haskell/tx-village#18 · Opened Dec 15, 2025
Build everything from sources again Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

mlabs-haskell/cardano.nix#153 · Opened Dec 2, 2025
Support `aarch64-linux` again Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

mlabs-haskell/cardano.nix#152 · Opened Dec 2, 2025
Return FanoutTx hash as part of HeadFinalizedMessage Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

mlabs-haskell/purescript-hydra-sdk#12 · Opened Dec 1, 2025
Improve logging Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

mlabs-haskell/purescript-hydra-sdk#11 · Opened Dec 1, 2025
Add integration testing framework for Hydra apps using cardano-testnet Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

mlabs-haskell/purescript-hydra-sdk#10 · Opened Dec 1, 2025
Add support for incremental commits / decommits Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

mlabs-haskell/purescript-hydra-sdk#9 · Opened Dec 1, 2025
TransactionBuilder builds Babbage-era transactions on Conway network (Preview testnet) Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mlabs-haskell/godot-cardano#99 · 1 comment · Opened Nov 24, 2025
Facilitate the creation of dev environment Open

mlabs-haskell/cardano.nix#148 · 1 assignee · Opened Nov 11, 2025
Update dependencies Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

mlabs-haskell/ytxp-lib#52 · Opened Oct 29, 2025
Implement NixOS services that reflect different aspects of cardano-node (block producing, relay, etc) Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

mlabs-haskell/cardano.nix#146 · 1 comment · 1 reaction · Opened Oct 28, 2025
End-to-End Testing, Performance Validation, and Integration Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

mlabs-haskell/agora-drep#47 · Opened Oct 24, 2025
Investigate `cardano-testnet` Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

mlabs-haskell/cardano.nix#145 · 2 comments · Opened Oct 21, 2025
How to run tests Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

mlabs-haskell/uplc-benchmark#88 · 3 comments · Opened Oct 18, 2025

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