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AC etherscan-api

Use when you need to query Etherscan API V2 for onchain activity, contract metadata, ABI/source retrieval, proxy implementation discovery, and transaction/log analysis across EVM chains.

ClawHub Agent Skills author: David v1.0.0 7 files body ≈ 935 tokens Open the sourceclawhub.ai↗ analyzed 3 d ago

As a process C 59/100 · Has gaps — weak spots: result and completion, when it triggers, progress reporting

IntegrationInfrastructuretype 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
93/100
safety, quality, tests
Safety 60%
96
Quality 40%
88
Run on models
none yet
Process rating
C
59/100
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 Exfiltration net-credential-use SKILL.md:64
      Credential used in a network call (verify the destination is the intended service) (the skill's own vendor host)
      curl -s "https://api.etherscan.io/v2/api?chainid=…&module=…&action=…&address=<contract>&apikey=$ETHERSCAN_API_KEY"
      vendor-host
    • low Exfiltration net-credential-use SKILL.md:69
      Credential used in a network call (verify the destination is the intended service) (the skill's own vendor host)
      curl -s "https://api.etherscan.io/v2/api?chainid=…&module=…&action=…&address=<contract>&apikey=$ETHERSCAN_API_KEY"
      vendor-host
    • low Exfiltration net-credential-use SKILL.md:74
      Credential used in a network call (verify the destination is the intended service) (the skill's own vendor host)
      curl -s "https://api.etherscan.io/v2/api?chainid=1&module=…&action=…&address=<address>&startblock=<from>&endblock=<to>&page=1&offset=100&sort=desc&apikey=$ETHERSCAN_API_KEY"
      vendor-host
    • low Exfiltration net-credential-use SKILL.md:79
      Credential used in a network call (verify the destination is the intended service) (the skill's own vendor host)
      curl -s "https://api.etherscan.io/v2/api?chainid=…&module=logs&action=…&address=<contract>&fromBlock=<from>&toBlock=<to>&page=1&offset=1000&apikey=$ETHERSCAN_API_KEY"
      vendor-host

    Files scanned: 7. 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 59/100

    • 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
    • 50Failures and branches. 0 branches, has a failure section
    • 60Tools and files. Uses tools (web) that frontmatter does not declare
    • 70Inputs and preconditions. Inputs and preconditions are listed
    • 100Steps. 38 steps
    • 100Consistency. Name and required fields are in place
    • 100Execution cost. Instruction body is 935 tokens
    • 100Running it twice. Mutating operations check current state
    • medium Safety rules and hard prohibitions inside a skill: they belong in the system prompt, here they protect nothing

    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 186: enough signal without eating the budget
    • +4Structure: 9 headings
    • +3Step-by-step instructions: 38 items
    • +4Has examples (5 code blocks)
    • +4Reference files are cited in the instructions (4 of 4)

    Quality base 70; lint remarks subtract, signals add up to 100. Result: 88.

    External checks

    ClawHub: clean
    This skill is a read-only guide for querying Etherscan-compatible APIs, with the main caution being safe handling of an Etherscan API key.
    LLM: benign (high) · VirusTotal: benign · 28 May 2026