Borrowing it
Nothing to install: this file belongs to nirholas/three.ws. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/nirholas/three.ws/main/.agents/skills/metamask-agent-wallet/SKILL.mdgit clone --depth 1 https://github.com/nirholas/three.wsWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/nirholas/three.ws/metamask-agent-wallet)<a href="https://agentmods.dev/skills/nirholas/three.ws/metamask-agent-wallet"><img src="https://agentmods.dev/badge/skills/nirholas/three.ws/metamask-agent-wallet/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/nirholas/three.ws/metamask-agent-wallet"><img src="https://agentmods.dev/badge/skills/nirholas/three.ws/metamask-agent-wallet.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 4 findings, up to high
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- high System Prompt Leakage · line 255 Skill contains instructions that could directly expose system prompts, internal rules, or hidden instructions to users or external parties.Fix: Remove any instructions that reveal, print, or output system prompts or internal rules. System instructions should never be exposed to end users.
- medium Excessive Agency · line 225 Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.
- medium Excessive Agency · line 226 Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.
- medium MCP Rug Pull · line 165 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00081 | $0.04524 |
| Opus 5.5 | $0.00032 | $0.01810 |
| Sonnet 5.5 | $0.00016 | $0.00905 |
| Haiku 4.5 | $0.00008 | $0.00452 |
Grade A, and why
metamask-agent-wallet scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2mo ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
Copies of this mod
1 near-identical copy found in the catalogue:
- metamask-agent-wallet — 91% identical, 177 lines differ
How it starts
The opening of the file, as written. The whole thing — 260 lines — stays where its author put it; the contents beside it link to each section on GitHub.
MetaMask Agentic CLI Skill
This skill documents the mm CLI surface for MetaMask Agent Wallet authentication, wallet lifecycle, balance queries, token transfers, message and typed-data signing, raw transactions, chain discovery, market data, token discovery, perpetual futures trading, prediction market trading, token swaps, and cross-chain bridges.
Use the routing table to select the relevant reference file. CLI behavior lives in references/. Repeatable operational patterns live in workflows/.
Command Routing
Match the user's intent to a command and reference file, then read the reference before constructing a command. If intent spans multiple domains, load them sequentially in dependency order.
| User Intent | Command | Reference |
|---|---|---|
| Check authentication status | mm auth status |
auth.md |
| Login in MetaMask Agentic CLI | mm login |
auth.md |
| Choose a wallet mode and set up policies | mm init |
auth.md |
| Show current init settings | mm init show |
auth.md |
| Sign in via QR code with MetaMask Mobile | mm login qr |
auth.md |
| Sign in via Google | mm login google |
auth.md |
| Sign in via email OTP | mm login email |
auth.md |
| Sign out | mm logout |
auth.md |
| Reset CLI session | mm reset |
auth.md |
| Show CLI configuration | mm config get |
auth.md |
| Set CLI configuration | mm config set |
auth.md |
| Set BYOK mnemonic encryption password | mm wallet password set |
auth.md |
| Change BYOK mnemonic encryption password | mm wallet password change |
auth.md |
| Remove BYOK mnemonic encryption password | mm wallet password remove |
auth.md |
| Interpret raw CLI error codes | AuthError, ValidationError, WALLET_ERROR |
errors.md |
| Decode EVM calldata into a human-readable intent | mm decode |
decode.md |
| Create a wallet | mm wallet create |
wallet.md |
| List all wallets | mm wallet list |
wallet.md |
| Switch active wallet | mm wallet select |
wallet.md |
| Show active wallet details | mm wallet show |
wallet.md |
| Show active wallet address | mm wallet address |
wallet.md |
| Check the active wallet balance | mm wallet balance |
wallet.md |
| Show current trading mode and policies | mm wallet trading-mode get |
wallet.md |
| Set trading mode (guard or beast) | mm wallet trading-mode set |
wallet.md |
| Sign a plaintext message | mm wallet sign-message |
signing.md |
| Sign EIP-712 typed data | mm wallet sign-typed-data |
signing.md |
| Send a raw EVM transaction | mm wallet send-transaction |
transaction.md |
| Transfer native tokens or ERC-20 tokens | mm transfer |
transfer.md |
| List supported chains by the CLI | mm chains list |
chain.md |
| List pending wallet requests | mm wallet requests list |
polling.md |
| Watch a wallet polling id | mm wallet requests watch |
polling.md |
| Query spot or historical prices | mm price ... |
market-data.md |
| Discover tokens, token networks, or token metadata | mm token ... |
market-data.md |
| List perpetual markets | mm perps markets |
perps.md |
| Check perps account balance | mm perps balance |
perps.md |
| List open perpetual positions | mm perps positions |
perps.md |
| Get a quote for a perpetual order | mm perps quote |
perps.md |
| List resting perpetual orders | mm perps orders |
perps.md |
| Open a perpetual position | mm perps open |
perps.md |
| Close a perpetual position | mm perps close |
perps.md |
| Modify leverage, take-profit, or stop-loss | mm perps modify |
perps.md |
| Cancel a resting perps order | mm perps cancel |
perps.md |
| Deposit USDC into a perps venue | mm perps deposit |
perps.md |
| Withdraw USDC from a perps venue | mm perps withdraw |
perps.md |
| Transfer USDC between spot and perp accounts | mm perps transfer |
perps.md |
| List perpetual futures venues | mm perps list-venues |
perps.md |
| List available DEXs for a venue | mm perps dexs |
perps.md |
| Set Predict trading mode | mm predict mode |
predict.md |
| One-time Predict setup | mm predict setup |
predict.md |
| Create or refresh Predict credentials | mm predict auth |
predict.md |
| Repair Predict approvals | mm predict approve |
predict.md |
| Check Predict back-end status and account setup | mm predict status |
predict.md |
| Check if Polymarket is geoblocked for your IP | mm predict geoblock |
predict.md |
| List prediction markets | mm predict markets list |
predict.md |
| Search prediction markets | mm predict markets search |
predict.md |
| Inspect a prediction market | mm predict markets get |
predict.md |
| List Polymarket events | mm predict events list |
predict.md |
| Inspect a Polymarket event | mm predict events get |
predict.md |
| List Polymarket event series | mm predict series list |
predict.md |
| Inspect a Polymarket event series | mm predict series get |
predict.md |
| List Polymarket tags | mm predict tags list |
predict.md |
| Inspect a Polymarket tag | mm predict tags get |
predict.md |
| Preview a prediction order cost | mm predict quote |
predict.md |
| Place a prediction market order | mm predict place |
predict.md |
| Cancel prediction orders | mm predict cancel |
predict.md |
| View prediction market positions | mm predict positions |
predict.md |
| View open prediction orders | mm predict orders |
predict.md |
| Show full Predict portfolio snapshot | mm predict portfolio |
predict.md |
| List redeemable (winning) positions | mm predict redeem list |
predict.md |
| Redeem winning positions | mm predict redeem |
predict.md |
| Check Predict deposit wallet balance | mm predict balance |
predict.md |
| Fund Predict deposit wallet | mm predict deposit |
predict.md |
| Withdraw pUSD from Predict deposit wallet | mm predict withdraw |
predict.md |
| Fetch prediction order book | mm predict book |
predict.md |
| Watch a Predict job | mm predict watch |
predict.md |
| Get a swap or bridge quote | mm swap quote |
swap.md |
| Execute a token swap or bridge | mm swap execute |
swap.md |
| Check swap or bridge status | mm swap status |
swap.md |
| Bridge tokens to another chain | mm swap execute |
swap.md |
What ships with it
36 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
- references/auth.md 7.4 KB
- references/chain.md 525 B
- references/decode.md 1.2 KB
- references/errors.md 7.3 KB
- references/market-data.md 5.1 KB
- references/perps.md 14 KB
- references/polling.md 1.5 KB
- references/predict.md 20 KB
- references/signing.md 2.4 KB
- references/swap.md 4.6 KB
- references/transaction.md 2.0 KB
- references/transfer.md 1.4 KB
- references/wallet.md 5.2 KB
- scripts/amount_to_hex.py 631 B runs code
- workflows/aave-borrow.md 3.7 KB
- workflows/aave-collateral.md 2.7 KB
- workflows/aave-markets.md 1.5 KB
- workflows/aave-positions.md 2.7 KB
- workflows/aave-repay.md 4.7 KB
- workflows/aave-supply.md 4.4 KB
- workflows/aave-withdraw.md 3.3 KB
- workflows/bridge.md 1.9 KB
- workflows/login.md 793 B
- workflows/market-data.md 2.0 KB
- workflows/onboarding.md 3.0 KB
- workflows/perps-close-position.md 1020 B
- workflows/perps-modify-position.md 1.0 KB
- workflows/perps-open-position.md 2.5 KB
- workflows/predict-funding.md 2.7 KB
- workflows/predict-manage-orders.md 935 B
- workflows/predict-markets.md 1.3 KB
- workflows/predict-place-order.md 2.2 KB
- workflows/predict-portfolio.md 777 B
- workflows/predict-setup.md 1.2 KB
- workflows/swap.md 1.4 KB
- workflows/troubleshooting.md 2.0 KB
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 2mo ago First seen · 260 lines · 81 tokens per session scan A c1b3df6277fe
metamask-agent-wallet is a skill published in the GitHub repository nirholas/three.ws (269 stars, last pushed yesterday), licensed Apache-2.0. It adds 81 tokens to every session and 4,524 once invoked, about $0.0003 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
metamask-agent-wallet compared with skills from other repositories
| Mod | Type | Stars | Last push | Licence | Scan | Tokens | Works with |
|---|---|---|---|---|---|---|---|
| metamask-agent-walletnirholas/three.ws | Skill | 269 | yesterday | Apache-2.0 | A | 81 | Claude Code |
| evmNousResearch/hermes-agent | Skill | 261k | yesterday | MIT | A | 19 | Claude Code, Codex |
| hyperliquidNousResearch/hermes-agent | Skill | 261k | yesterday | MIT | A | 16 | Claude Code, Codex |
| solanaNousResearch/hermes-agent | Skill | 261k | yesterday | MIT | A | 18 | Claude Code, Codex |
| crypto-dataBlockRunAI/blockrun-mcp | Skill | 389 | yesterday | MIT | A | 194 | Claude Code, Codex |
| polymarket-tradingBlockRunAI/blockrun-mcp | Skill | 389 | yesterday | MIT | A | 72 | Claude Code, Codex |
| surfBlockRunAI/blockrun-mcp | Skill | 389 | yesterday | MIT | A | 110 | Claude Code, Codex |