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AC etherscan-mcp-skill

Use Etherscan MCP through UXC for address balance checks, token holder analysis, transaction inspection, and contract lookup tasks. Use when tasks need Etherscan MCP tools for onchain investigation with help-first schema inspection, bearer-key auth, and tier-aware read-first handling.

ClawHub Agent Skills author: jolestar v1.0.0 5 files · 1 script body ≈ 979 tokens Open the sourceclawhub.ai↗ analyzed 3 d ago

As a process C 54/100 · Has gaps — weak spots: result and completion, when it triggers, running it twice

AnalyzerAI 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
A
90/100
safety, quality, tests
Safety 60%
96
Quality 40%
81
Run on models
none yet
Process rating
C
54/100
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

    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 · 4

    ✓ No critical or high findings

    Medium and low: 4
    • low Secrets in code secret-high-entropy-token references/usage-patterns.md:48
      High-entropy token-like string (may be an id, hash or a credential) (detector / deny-list definition)
      etherscan-mcp-cli balance '{"address":"0xd8…045","chainid":1}'
      detector
    • low Secrets in code secret-high-entropy-token references/usage-patterns.md:64
      High-entropy token-like string (may be an id, hash or a credential) (detector / deny-list definition)
      etherscan-mcp-cli bala…C20 '{"address":"0xd8…045","contractaddress":"0xA0…b48","chainid":1}'
      detector
    • low Secrets in code secret-high-entropy-token references/usage-patterns.md:89
      High-entropy token-like string (may be an id, hash or a credential) (detector / deny-list definition)
      etherscan-mcp-cli getContractSourceCode '{"address":"0xA0…b48","chainid":1}'
      detector
    • low Secrets in code secret-high-entropy-token references/usage-patterns.md:108
      High-entropy token-like string (may be an id, hash or a credential) (detector / deny-list definition)
      etherscan-mcp-cli txList '{"address":"0xd8…045","startblock":0,"endblock":99999999,"page":1,"offset":5,"sort":"desc"}'
      detector

    Files scanned: 5. Evidence is masked. Grey chips explain why severity was lowered.

    Against the Agent Skills spec

    ✓ No remarks against the Agent Skills spec

    Process rating: all ten parameters 54/100

    • 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. 1 mutating operations with no state check
    • 55Failures and branches. 1 branches
    • 60Tools and files. Uses tools (bash) that frontmatter does not declare
    • 70Inputs and preconditions. Inputs and preconditions are listed
    • 85Steps. 68 steps, 1 vague phrases
    • 100Consistency. Name and required fields are in place
    • 100Execution cost. Instruction body is 979 tokens
    • medium Safety rules and hard prohibitions inside a skill: they belong in the system prompt, here they protect nothing
    • low The response is described with custom markup (3 tags): a typed call is more reliable

    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
    • +4No input/output examples
    • -31 of 1 scripts are never mentioned in SKILL.md
    • +1No license
    • +2Single-language instructions
    • +3Description length 285: enough signal without eating the budget
    • +4Structure: 7 headings
    • +3Step-by-step instructions: 68 items
    • +4Reference files are cited in the instructions (1 of 1)

    Quality base 70; lint remarks subtract, signals add up to 100. Result: 81.

    External checks

    ClawHub: clean
    This is a disclosed helper for using Etherscan MCP through UXC; it asks for expected API-key and network access but does not hide unrelated behavior.
    LLM: benign (high) · VirusTotal: · 29 May 2026