MetaMask/core

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This monorepo is a collection of packages used across multiple MetaMask clients

Stars: 413
Forks: 308
Open beginner issues: 0
Indexed issues: 325
Avg merge: 1d 4h
Merged PRs (30d): 253

Dominant language: TypeScript
License: MIT
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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325 open issues indexed

[NetworkController] Give consumers a way to retrieve network configuration alongside network client Open

enhancement team-core-platform team-wallet-framework wf-network-controller-improvements

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

MetaMask/core#4883 · Opened Oct 31, 2024
[CurrencyRateController] Consider serializing rates as strings instead of numbers Open

team-assets

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

MetaMask/core#4857 · Opened Oct 28, 2024
Merge dependabot security PRs Open

team-wallet-framework

MetaMask/core#4847 · 2 assignees · Opened Oct 24, 2024
[Performance] - Phishing list not performant on mobile devices Open

area-performance Epic team-product-safety

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

MetaMask/core#4817 · 1 comment · Opened Oct 17, 2024
Enable `noUncheckedIndexedAccess` TypeScript flag everywhere Open

team-wallet-framework wf-typescript-upgrades

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

MetaMask/core#4729 · Opened Sep 25, 2024
[eth-json-rpc-middleware] fix: remove condition to allow 'cosmos' as valid value for verifyingContract field in typed signatures Open

team-wallet-framework wf-tech-debt

Difficulty 3/5 1-2 days Newbie friendliness 38/100

MetaMask/core#6871 · 1 comment · Opened Sep 19, 2024
[base-controller] `ControllerMessenger` should prohibit retroactive subscriptions to published events Open

bug team-wallet-framework wf-bugs

Difficulty 3/5 1-2 days Newbie friendliness 52/100

MetaMask/core#4700 · Opened Sep 13, 2024
Add yarn constraints rules requiring that dual CJS/ESM builds and type declarations be exposed for all export subpaths in package manifests Open

team-wallet-framework wf-project-standardization

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

MetaMask/core#4699 · 1 comment · Opened Sep 13, 2024
[utils] Widen `isSafeDynamicKey` parameter type from `string` to `PropertyKey` Open

team-wallet-framework wf-other

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

MetaMask/core#10206 · 1 comment · Opened Aug 21, 2024
Fix Invalid type assignment in SafeEventEmitterProvider Open

team-wallet-framework wf-eip1193

MetaMask/core#4608 · 4 comments · 1 assignee · Opened Aug 14, 2024
[gas-fee-controller] Cache chains supported by Gas API Open

enhancement Gas team-confirmations

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

MetaMask/core#4605 · Opened Aug 13, 2024
Upgrade to TypeScript v5.5 Open

team-wallet-framework wf-typescript-upgrades

MetaMask/core#4587 · 1 assignee · Opened Aug 2, 2024
Audit implementation of all controllers against "Guidelines for Writing Controllers" Open

team-wallet-framework type-research wf-ext-base-controller-v2-upgrades

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

MetaMask/core#4578 · 1 comment · Opened Aug 1, 2024
Support for EIP-5630 urgently needed since eth_getEncryptionPublicKey was deprecated Open

enhancement team-wallet-api-platform

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

MetaMask/core#4509 · 2 comments · 3 reactions · Opened Jul 10, 2024
Bump TypeScript module output options `target` and `lib` to `ES2022` Open

team-wallet-framework wf-typescript-upgrades

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

MetaMask/core#4507 · Opened Jul 7, 2024
[base-controller,polling-controller] Make non-controller superclass compatible with polling-controller mixins Open

enhancement team-wallet-framework wf-wallet-framework

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

MetaMask/core#4503 · Opened Jul 3, 2024
Refactor polling controllers to remove legacy polling patterns and method usage Open

team-wallet-framework wf-other

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

MetaMask/core#4502 · 1 comment · Opened Jul 3, 2024
[base-controller] Controller constructors accept messengers that do not allow any of its internal actions and/or events Open

bug team-wallet-framework wf-bugs

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

MetaMask/core#4501 · Opened Jul 3, 2024
[network-controller] Add `lookupNetwork` timeout Open

enhancement team-core-platform team-wallet-framework wf-network-controller-improvements

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

MetaMask/core#4499 · Opened Jul 3, 2024
Fix `messenger` type naming in BaseControllerV2 Open

team-assets team-wallet-framework wf-controller-tech-debt

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

MetaMask/core#4491 · Opened Jul 1, 2024
`Contract` class `balances` method calls are typed as implicit `any` Open

bug team-assets

Difficulty 3/5 1-2 days Newbie friendliness 42/100

MetaMask/core#4464 · 2 comments · Opened Jun 26, 2024
As a non-controller with empty state, `TokenDetectionController` should not inherit from `BaseController` Open

Epic team-wallet-framework wf-non-controller-cleanup

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

MetaMask/core#4435 · Opened Jun 18, 2024
As a non-controller with empty state, `NftDetectionController` should not inherit from `BaseController` Open

Epic team-wallet-framework wf-non-controller-cleanup

Difficulty 4/5 3-5 days Newbie friendliness 32/100

MetaMask/core#4434 · Opened Jun 18, 2024
Non-controller classes with empty state should not inherit from `BaseController` Open

Epic team-wallet-framework wf-non-controller-cleanup

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

MetaMask/core#4432 · Opened Jun 18, 2024
Fix `nock` compatibility with fake timers Open

bug team-wallet-framework wf-bugs

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

MetaMask/core#4428 · 1 comment · 1 reaction · Opened Jun 14, 2024
[base-controller] Controller constructors accept messengers with incomplete allowlists Open

bug team-wallet-framework wf-bugs

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

MetaMask/core#4414 · Opened Jun 12, 2024
Incomplete test coverage makes coverage threshold messages difficult to resolve Open

team-wallet-framework wf-test-quality-improvement

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

MetaMask/core#4410 · Opened Jun 11, 2024
TokenRatesController Technical Debt Open

team-assets team-wallet-framework wf-controller-tech-debt

MetaMask/core#4404 · 1 assignee · Opened Jun 11, 2024
Re-enable ESLint rule `@typescript-eslint/no-unnecessary-type-assertion` Open

team-core-platform team-wallet-framework wf-lint-fixes

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

MetaMask/core#4401 · Opened Jun 10, 2024
Re-enable ESLint rules `@typescript-eslint/prefer-*` Open

team-core-platform team-wallet-framework wf-lint-fixes

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

MetaMask/core#4400 · Opened Jun 10, 2024
It's difficult to run tests with coverage reports for all packages locally and review the results Open

team-wallet-framework wf-ci-tooling

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

MetaMask/core#4394 · Opened Jun 7, 2024
Add smoke tests for CommonJS and ESM builds for each package Open

team-wallet-framework wf-ci-tooling

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

MetaMask/core#4386 · 1 comment · Opened Jun 6, 2024
Upgrade to TypeScript v5.4 Open

team-wallet-framework wf-typescript-upgrades

MetaMask/core#4373 · 1 assignee · Opened Jun 5, 2024
Upgrade to TypeScript v5.3 Open

team-wallet-framework wf-typescript-upgrades

MetaMask/core#4372 · 1 assignee · Opened Jun 5, 2024
`KeyringController` should infer `Keyring` types based on builders Open

Epic team-wallet-framework wf-keyring

MetaMask/core#4366 · 1 comment · 1 assignee · Opened Jun 4, 2024
Spike on renovate - extension, mobile, maybe core too? Open

team-wallet-framework wf-ci-tooling

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

MetaMask/core#4340 · Opened May 30, 2024
Remove ZCAP-LD from `PermissionController` state Open

team-wallet-framework wf-permission-controller-improvements

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

MetaMask/core#4240 · Opened May 1, 2024
Remove `RestrictedMethod` permission type Open

team-wallet-framework wf-permission-controller-improvements

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

MetaMask/core#4238 · Opened May 1, 2024
Remove `any` from `PermissionController` types Open

team-wallet-framework wf-type-fixes

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

MetaMask/core#4237 · Opened May 1, 2024
Add "incremental" permission revocation and caveat "subtraction" Open

team-wallet-framework wf-permission-controller-improvements

MetaMask/core#4236 · 1 assignee · Opened May 1, 2024
[phishing-controller] Use new config endpoint for default update intervals Open

enhancement team-product-safety

Difficulty 3/5 1-2 days Newbie friendliness 52/100

MetaMask/core#4228 · Opened Apr 29, 2024
Document how side effects in PermissionController work Open

category-documentation github-migration-triaged PermissionController team-wallet-api-platform team-wallet-framework wf-documentation

MetaMask/core#4224 · 1 comment · 2 assignees · Opened Apr 28, 2024
Rename approved permission request `data` property Open

team-wallet-framework wf-permission-controller-improvements

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

MetaMask/core#4218 · Opened Apr 26, 2024
[composable-controller] Implement type validation of constructor options Open

bug team-wallet-framework wf-bugs

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

MetaMask/core#4213 · 5 comments · Opened Apr 25, 2024
improvement: SelectedNetworkController emit event for when a domains network is updated Open

enhancement team-wallet-framework wf-general-dx

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

MetaMask/core#4151 · Opened Apr 11, 2024
Create proposal for a MetaMask wallet library Open

enhancement team-wallet-framework wf-wallet-framework

MetaMask/core#4127 · 1 assignee · Opened Mar 28, 2024
Clarify expectations for when teams should release and update packages Open

team-wallet-framework wf-release-process

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

MetaMask/core#4125 · Opened Mar 28, 2024
Queued request controller to flush queue on network change for a domain Open

team-wallet-api-platform

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

MetaMask/core#4123 · Opened Mar 28, 2024
Use `metamaskbot` to guide users in making release PRs Open

team-wallet-framework wf-release-process

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

MetaMask/core#4119 · 2 comments · Opened Mar 27, 2024
[assets-controllers] Migrate Token price batch update to token prices service Open

enhancement team-assets

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

MetaMask/core#4117 · Opened Mar 27, 2024

MetaMask/core

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