onflow/fcl-js

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FCL (Flow Client Library) in TypeScript and JavaScript. Connect Flow dApps to wallets, send transactions, and read on-chain data from the browser

Stars: 333
Forks: 136
Open beginner issues: 0
Indexed issues: 164

Dominant language: TypeScript
License: Apache-2.0
Last GitHub push: Jul 3, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

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164 open issues indexed

[BUG] Dependency Conflict: yargs-parser version mismatch via qrcode Open

Bug

Difficulty 3/5 1-2 days Newbie friendliness 48/100

onflow/fcl-js#2801 · Opened Apr 1, 2026
[BUG] Security vulnerability via transitive dependency `h3` failing CI builds Open

Bug

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

onflow/fcl-js#2798 · 2 comments · Opened Mar 26, 2026
Integrate React Hook Into React SDK Fiat UI Open

onflow/fcl-js#2755 · 1 assignee · Opened Dec 11, 2025
Integrate React Hook Into React SDK Crypto UI Open

onflow/fcl-js#2754 · 1 assignee · Opened Dec 11, 2025
Add Fund component to the demo playground Open

onflow/fcl-js#2736 · 1 assignee · Opened Dec 9, 2025
Investigate country filtering/enhanced error handling Open

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

onflow/fcl-js#2724 · Opened Dec 2, 2025
Document React Native Fund Usage Open

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

onflow/fcl-js#2723 · Opened Dec 2, 2025
Document React SDK Fund Hook Usage Open

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

onflow/fcl-js#2722 · Opened Dec 2, 2025
Document React SDK Fund Component Usage Open

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

onflow/fcl-js#2721 · Opened Dec 2, 2025
Document vanilla `@onflow/payments` usage Open

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

onflow/fcl-js#2720 · Opened Dec 2, 2025
Bridge Funds from EVM -> Cadence When Necessary Open

onflow/fcl-js#2719 · 1 assignee · Opened Dec 2, 2025
Create React SDK Fiat Funding Flow UI Open

onflow/fcl-js#2717 · 1 assignee · Opened Nov 28, 2025
Create React SDK Crypto Funding Flow UI Open

onflow/fcl-js#2716 · 1 assignee · Opened Nov 28, 2025
Create Fiat API Interfaces Open

onflow/fcl-js#2714 · 1 assignee · Opened Nov 28, 2025
Create React Native SDK On-Ramp Open

onflow/fcl-js#2711 · 1 assignee · Opened Nov 26, 2025
Create Moonpay Integration Open

onflow/fcl-js#2710 · 1 assignee · Opened Nov 26, 2025
Flow On-Ramp SDK Open

onflow/fcl-js#2708 · 2 assignees · Opened Nov 26, 2025
Add WalletConnect session cleanup to FCL unauthenticate Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

onflow/fcl-js#2706 · Opened Nov 26, 2025
[BUG] CodeQL hangs on changeset release Open

Bug

Difficulty 4/5 3-5 days Newbie friendliness 30/100

onflow/fcl-js#2701 · Opened Nov 17, 2025
Remove legacy websocket fallback on emulator Open

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

onflow/fcl-js#2699 · Opened Nov 13, 2025
Add discoveryAuthnExclude to React SDK Open

onflow/fcl-js#2697 · 1 assignee · Opened Nov 13, 2025
Add note to React SDK playground about opt-in wallets for Discovery Open

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

onflow/fcl-js#2693 · Opened Nov 8, 2025
Make useFlowNftMetadata support EVM NFTs Open

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

onflow/fcl-js#2692 · Opened Nov 7, 2025
Allow more customization on theme in react-sdk Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

onflow/fcl-js#2658 · Opened Oct 7, 2025
Migrate from depreacted `@walletconnect/modal` package Open

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

onflow/fcl-js#2640 · Opened Sep 15, 2025
Replace FCL context config with direct property access Open

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

onflow/fcl-js#2590 · Opened Jul 15, 2025
Investigate linter rule not to rely on global singletons Open

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

onflow/fcl-js#2541 · Opened Jun 28, 2025
[BUG] FCL/Hybrid Apps with the Rainbowkit Connecter Don't Respect Rainbowkit Switching Chains Open

Bug

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

onflow/fcl-js#2531 · Opened Jun 21, 2025
Investigate customization for `Connect` Open

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

onflow/fcl-js#2528 · Opened Jun 19, 2025
Make token type changeable in `Connect` component Open

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

onflow/fcl-js#2518 · Opened Jun 16, 2025
Connect `TransactionButton` component to modal Open

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

onflow/fcl-js#2515 · Opened Jun 12, 2025
[FEATURE] Add event-driven refecting to `useFlowQuery` Open

Feature

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

onflow/fcl-js#2457 · 2 comments · Opened May 21, 2025
Struct type does not work properly with multiple fields Open

onflow/fcl-js#2455 · 1 assignee · Opened May 21, 2025
`useFlowQuery` maybe makes too many requests Open

Difficulty 4/5 3-5 days Newbie friendliness 15/100

onflow/fcl-js#2424 · Opened May 16, 2025
Export return types Open

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

onflow/fcl-js#2415 · Opened May 9, 2025
Component playground on docs Open

onflow/fcl-js#2411 · 1 assignee · Opened May 8, 2025
Investigate overriding theme with css classes vs tailwind classes Open

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

onflow/fcl-js#2410 · Opened May 8, 2025
`useChildAccounts` hook Open

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

onflow/fcl-js#2405 · Opened May 8, 2025
[FEATURE] Add generic parameters to `useFlowQuery` Open

Feature

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

onflow/fcl-js#2395 · Opened May 8, 2025
Create GitHub action to generate docs on pr merged Open

onflow/fcl-js#2391 · 1 assignee · Opened May 7, 2025
Switch resolve sequence number to use `/v1/accounts/ADDR/keys/KEY_INDEX` endpoint Open

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

onflow/fcl-js#2374 · 2 comments · 1 reaction · Opened May 1, 2025
[BUG] New User experience when Flow Wallet not installed is "broken" Open

Bug

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

onflow/fcl-js#2370 · 1 comment · Opened Apr 29, 2025
[EPIC] `@onflow/kit` Phase 2 Open

Difficulty 5/5 Over a week Newbie friendliness 10/100

onflow/fcl-js#2349 · Opened Apr 23, 2025
[BUG] Race condition in `@onflow/kit` tests Open

Bug

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

onflow/fcl-js#2346 · Opened Apr 23, 2025
WalletConnect Deep Linking not working correctly Open

onflow/fcl-js#2342 · 1 comment · 1 assignee · Opened Apr 18, 2025
Transpiled build not compatible with older node.js versions Open

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

onflow/fcl-js#2330 · Opened Apr 17, 2025
Improve decoding for `events` and `account_statuses` Open

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

onflow/fcl-js#2319 · Opened Apr 8, 2025
Client-initiated disconnects cause errors to be thrown Open

onflow/fcl-js#2308 · 1 assignee · Opened Apr 3, 2025
Multiple concurrent `conenct` calls race Open

onflow/fcl-js#2307 · 1 assignee · Opened Apr 3, 2025
Break out Raw SDK TS types Open

onflow/fcl-js#2306 · 1 assignee · Opened Apr 3, 2025

onflow/fcl-js

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