Metamask Official Extension Testing

Name: Metamask Official Extension Testing
Author: metamask

Wallets by @metamask v1.0.0 B PASS 3 flags

Single MetaMask Extension testing entrypoint. Routes unit, UI and composed-background integration, and Selenium E2E create/maintain work (flakiness, POM anti-patterns) to the right references. Use when writing, fixing, reviewing, or placing Extension tests; when the user mentions MetaMaskController, FixtureBuilderV2, page objects, E2E flake, POM anti-patterns, or asks which Extension testing skill to install.

Install

$ cp -r cryptoskill/skills/wallets/metamask-official-extension-testing .claude/skills/

$ clawhub install metamask-official-extension-testing

Quality Score

Score: 65/100 Grade: B Risk Gate: PASS

Trust profile trust grade not computed yet

3 red flags 7 cleared 1 not measured

Capabilities below are detected automatically by an open-source scanner that reads the skill's text and scripts (see how this is computed). Not measured means the scanner couldn't make a confident call — it is NOT a green check, and you should treat it as a possible red flag until a human or a stronger scanner has measured it.

3 Red flags things this skill can do that affect your security or funds

⚠
Requires private key you must hand over a private key, mnemonic, or wallet config
⚠
Requires hosted operator depends on a third-party hosted service to function
⚠
Can execute shell runs arbitrary shell commands on your machine

7 Cleared by scanner we scanned the skill's text & scripts and found no evidence of these

✓
Can move funds this skill can sign and send transactions on your behalf
✓
Uses remote install script setup pipes a remote shell script (curl | sh class)
✓
Mutable remote runtime runs remote code that can change behavior without a local diff
✓
Can install code installs software at setup time (npx, pip, brew, etc.)
✓
Can browse the web fetches arbitrary URLs at runtime
✓
Can write files writes to your local filesystem
✓
Can spawn sub-agents delegates to other skills or sub-agents

1 Not measured yet scanner couldn't make a confident call — treat as a possible red flag

?
Auto-invocable may be invoked by the agent without your explicit prompt

Execution mode

analysis_only Phase 1 single-mode classification — multi-mode breakdown deferred to Phase 2.

Ingredients (services this skill talks to)

External services this skill needs in order to work. The skill's behavior depends on these services being up, honest, and unchanged. Today we only show services we recognize from a curated list of ~50 well-known hosts (exchanges, RPC providers, data APIs); a complete dependency list — including every package, library, and binary the skill installs or imports — is on the roadmap.

service etherscan.io

Audits

No one has audited this skill yet. That is different from “audited and clean” — it just means no professional reviewer (a security firm, the CryptoSkill team, or a verified independent researcher) has signed off on it. There are no audit reports to read. How reviewer levels work →

SKILL.md → SOURCE.md → TRUST.auto.yaml → Browse directory →

Auto-generated by cryptoskill/extract-capabilities/0.3.1 · hosted-service list version 2026-09-06 · how this is computed

Source

View on GitHub →