@metamask/eth-json-rpc-middleware 18.0.0
Ethereum-related json-rpc-engine middleware.
@metamask/eth-json-rpc-middleware@18.0.0 was published on 2025-09-10. Its manifest declares 12 runtime dependencies and 0 peer requirements. Type declarations are bundled according to the package metadata. The declared Node.js requirement is ^18.16 || ^20 || >=22.
All @metamask/eth-json-rpc-middleware versions · Permanent reference to 18.0.0 · Latest release
Package specifications
| Version | 18.0.0 |
|---|---|
| License declaration | ISC |
| Published | 2025-09-10T20:18:39.797Z |
| Node.js requirement | ^18.16 || ^20 || >=22 |
| Type declarations | Bundled declarations |
| Runtime dependency count | 12 |
| Peer requirement count | 0 |
| Optional dependency count | 0 |
| Minified size | Measurement not available yet |
| Minified + gzip | Measurement not available yet |
| Unpacked distribution size | 191.53 KiB |
| Published file count | 67 |
| Package type | Not declared |
| ES module entry | Not declared |
| Default entry | ./dist/index.js |
| Side effects declaration | Not declared |
| Direct advisories | 0 |
| Resolved graph dependencies | 71 |
| Repository stars | 420 |
| Repository forks | 312 |
Install @metamask/eth-json-rpc-middleware 18.0.0
npm install @metamask/eth-json-rpc-middleware@18.0.0 pnpm add @metamask/eth-json-rpc-middleware@18.0.0 yarn add @metamask/eth-json-rpc-middleware@18.0.0
Runtime dependencies
- pify ^5.0.0
- bn.js ^5.2.1
- klona ^2.0.6
- @types/bn.js ^5.1.5
- @metamask/utils ^11.7.0
- @metamask/rpc-errors ^7.0.2
- @metamask/superstruct ^3.1.0
- safe-stable-stringify ^2.4.3
- @metamask/eth-sig-util ^8.1.2
- @metamask/json-rpc-engine ^10.0.2
- @metamask/eth-block-tracker ^12.0.0
- @metamask/eth-json-rpc-provider ^4.1.7
Peer requirements
- None declared
Optional dependencies
- None declared
Resolved dependency graph
This deps.dev graph describes a generic 64-bit Linux environment, not your application lockfile.
- @metamask/eth-block-tracker@12.2.1 — direct
- @metamask/eth-json-rpc-provider@4.1.8 — direct
- @metamask/eth-sig-util@8.2.0 — direct
- @metamask/json-rpc-engine@10.5.0 — direct
- @metamask/rpc-errors@7.0.3 — direct
- @metamask/superstruct@3.4.1 — direct
- @metamask/utils@11.12.1 — direct
- @types/bn.js@5.2.0 — direct
- bn.js@5.2.5 — direct
- klona@2.0.6 — direct
- pify@5.0.0 — direct
- safe-stable-stringify@2.5.0 — direct
- @metamask/eth-json-rpc-provider@5.0.1 — indirect
- @metamask/safe-event-emitter@3.1.3 — indirect
- json-rpc-random-id@1.0.1 — indirect
- uuid@8.3.2 — indirect
- @ethereumjs/rlp@4.0.1 — indirect
- @ethereumjs/util@8.1.0 — indirect
- @metamask/abi-utils@3.0.0 — indirect
- @scure/base@1.1.9 — indirect
- ethereum-cryptography@2.2.1 — indirect
- tweetnacl@1.0.3 — indirect
- @metamask/messenger@1.2.0 — indirect
- @types/deep-freeze-strict@1.1.2 — indirect
- deep-freeze-strict@1.1.1 — indirect
- fast-safe-stringify@2.1.1 — indirect
- @ethereumjs/tx@4.2.0 — indirect
- @metamask/scure-bip39@2.1.1 — indirect
- @noble/hashes@1.8.0 — indirect
- @scure/base@1.2.6 — indirect
- @types/debug@4.1.13 — indirect
- @types/lodash@4.17.27 — indirect
- debug@4.4.3 — indirect
- lodash@4.18.1 — indirect
- pony-cause@2.1.11 — indirect
- semver@7.8.5 — indirect
- uuid@9.0.1 — indirect
- @types/node@26.6.6 — indirect
- micro-ftch@0.3.1 — indirect
- @noble/curves@1.4.2 — indirect
- @noble/hashes@1.4.0 — indirect
- @scure/bip32@1.4.0 — indirect
- @scure/bip39@1.3.0 — indirect
- yargs@17.7.3 — indirect
- @ethereumjs/common@3.2.0 — indirect
- @noble/hashes@1.3.3 — indirect
- @scure/base@1.1.9 — indirect
- @types/ms@2.1.0 — indirect
- ms@2.1.3 — indirect
- undici-types@8.9.0 — indirect
- @noble/hashes@1.4.0 — indirect
- @noble/hashes@1.4.0 — indirect
- @scure/base@1.1.9 — indirect
- @noble/hashes@1.4.0 — indirect
- @scure/base@1.1.9 — indirect
- cliui@8.0.1 — indirect
- escalade@3.2.0 — indirect
- get-caller-file@2.0.5 — indirect
- require-directory@2.1.1 — indirect
- string-width@4.2.3 — indirect
- y18n@5.0.8 — indirect
- yargs-parser@21.1.1 — indirect
- crc-32@1.2.2 — indirect
- strip-ansi@6.0.1 — indirect
- wrap-ansi@7.0.0 — indirect
- emoji-regex@8.0.0 — indirect
- is-fullwidth-code-point@3.0.0 — indirect
- ansi-regex@5.0.1 — indirect
- ansi-styles@4.3.0 — indirect
- color-convert@2.0.1 — indirect
- color-name@1.1.4 — indirect
How to interpret the specifications
Bundlephobia measurements use its standard package build and may exclude peer dependencies. Unpacked npm distribution size includes shipped files and is a different measurement. Module declarations do not prove tree-shaking or runtime compatibility.
Advisories apply to this package version directly; transitive dependencies need separate inspection. Repository signals describe the whole repository and are current observations, including on historical-version pages.
Evidence and freshness
- https://registry.npmjs.org/%40metamask%2Feth-json-rpc-middleware/18.0.0 — retrieved 2026-10-30T22:51:39.479Z
- https://api.deps.dev/v3/projects/github.com%2FMetaMask%2Fcore — retrieved 2026-10-30T21:26:36.804Z
- https://api.deps.dev/v3/systems/npm/packages/%40metamask%2Feth-json-rpc-middleware/versions/18.0.0 — retrieved 2026-10-30T22:51:39.879Z
- https://api.deps.dev/v3/systems/npm/packages/%40metamask%2Feth-json-rpc-middleware/versions/18.0.0:dependencies — retrieved 2026-10-30T22:51:39.903Z