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BC nexwave-gateway

Unified crosschain USDC balance via Circle Gateway + Circle Programmable Wallets. Deposit USDC on any supported chain, check your unified balance, and instantly mint USDC on any destination chain in <500ms — no bridging, no raw private keys.

modbender/skill-library-mcp Agent Skills author: modbender MIT 11 files · 1 script body ≈ 1 611 tokens Open the sourcegithub.com↗ analyzed 2 d ago

Unified crosschain USDC balance via Circle Gateway + Circle Programmable Wallets.

As a process C 61/100 · Has gaps — weak spots: result and completion, when it triggers, running it twice

IntegrationAI and agentstype and topics are labelled automatically from the skill text
Runs in: OpenClaw Claude / Claude Code ChatGPT / Codex Gemini CLI Cursor GitHub Copilot / VS Code Qwen Code Kimi Code CLI Z.ai (GLM) DeepSeek (Deep Code) Mistral Vibe LangChain (deepagents) Goose OpenCode
JSON
Technical rating
B
83/100
safety, quality, tests
Safety 60%
92
Quality 40%
70
Run on models
none yet
Process rating
C
61/100
Has gaps
Result and completion w 14
0
Progress reporting w 2
0
When it triggers w 12
20
the three weakest of ten parameters · all ten

How to improve

  1. Say in the description WHEN to use the skill ("use when…", example requests): that is the agent's main cue.
For the model run — optional
  • Your own cases (evals/evals.json, 4–6 real requests with expected answers): the full check would then run those instead of a model-drafted suite.
  • A spec.yaml with trigger phrases and assertions — a behaviour contract for CI; `skilltest init` writes a template.

Guard findings · 8

✓ No critical or high findings

Medium and low: 8
  • low Secrets in code secret-high-entropy-token setup-gateway.js:19
    High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
    const gatewayWalletAddress = "0x00…9B9";
    quoted
  • low Secrets in code secret-high-entropy-token setup-gateway.js:20
    High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
    const gatewayMinterAddress = "0x00…75B";
    quoted
  • low Secrets in code secret-high-entropy-token setup-gateway.js:23
    High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
    sepolia: "0x1c…238",
    quoted
  • low Secrets in code secret-high-entropy-token setup-gateway.js:24
    High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
    baseSepolia: "0x03…F7e",
    quoted
  • low Secrets in code secret-high-entropy-token SKILL.md:36
    High-entropy token-like string (may be an id, hash or a credential) (documentation table row)
    | Ethereum Sepolia | 0 | `0x1c…238` |
    table
  • low Secrets in code secret-high-entropy-token SKILL.md:37
    High-entropy token-like string (may be an id, hash or a credential) (documentation table row)
    | Base Sepolia | 6 | `0x03…F7e` |
    table
  • low Secrets in code secret-high-entropy-token SKILL.md:43
    High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
    - Gateway Wallet: `0x00…9B9`
    quoted
  • low Secrets in code secret-high-entropy-token SKILL.md:44
    High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
    - Gateway Minter: `0x00…75B`
    quoted

Files scanned: 11. Evidence is masked. Grey chips explain why severity was lowered.

Against the Agent Skills spec

  • warning description-no-when description does not say WHEN to use the skill (no "use when")
  • note frontmatter-key unknown frontmatter key "requiredEnv"
  • note frontmatter-key unknown frontmatter key "dependencies"

Process rating: all ten parameters 61/100

  • 0Result and completion. Does not say what the result is
  • 0Progress reporting. Says nothing while it works
  • 20When it triggers. No condition that starts the skill
  • 30Running it twice. 2 mutating operations with no state check
  • 50Failures and branches. 0 branches, has a failure section
  • 70Inputs and preconditions. Inputs and preconditions are listed
  • 85Steps. 24 steps, 1 vague phrases
  • 100Tools and files. No external tools needed
  • 100Consistency. Name and required fields are in place
  • 100Execution cost. Instruction body is 1611 tokens

Everything here is measured from the skill text rather than judged by a model, so the numbers are checkable. A parameter weighs more when it is a more common reason for the process to stall.

Quality signals

  • +5Description has no quoted example phrases that should trigger the skill
  • +4Description does not say when NOT to use the skill (false activations)
  • +3Output format is not stated: the model decides each time
  • +1No license
  • +2Single-language instructions
  • +3Description length 241: enough signal without eating the budget
  • +4Structure: 14 headings
  • +3Step-by-step instructions: 24 items
  • +4Has examples (5 code blocks)

Quality base 70; lint remarks subtract, signals add up to 100. Result: 70.