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BC settlement-witness

Verify signed SAR v0.1 settlement receipts locally with Ed25519 and RFC 8785 canonicalization. Use when you need to confirm a receipt is cryptographically valid before trusting a task-complete claim, chaining to another agent output, using a receipt as evidence, or acting on a settlement-adjacent claim. Optionally request DefaultVerifier-signed receipts for remote issuance.

ClawHub Agent Skills author: nutstrut v0.1.4 MIT-0 16 files body ≈ 1 679 tokens Open the sourceclawhub.ai↗ analyzed 3 d ago

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

AnalyzerInfrastructureAI 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
88/100
safety, quality, tests
Safety 60%
94
Quality 40%
80
Run on models
none yet
Process rating
C
61/100
Has gaps
Result and completion w 14
0
Inputs and preconditions w 11
0
Progress reporting w 2
0
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 · 6

    ✓ No critical or high findings

    Medium and low: 6
    • low Secrets in code secret-high-entropy-token fixtures/sar-v0.1-current-kid05.json:9
      High-entropy token-like string (may be an id, hash or a credential) (test fixture / example file; quoted — discussed, not commanded)
      "counterparty": "0xf2…dCc",
      fixturequoted
    • low Obfuscation obf-base64-blob fixtures/sar-v0.1-indeterminate.json:10
      Long base64-looking blob (test fixture / example file; quoted — discussed, not commanded)
      "sig": "base…PDw"
      fixturequoted
    • low Secrets in code secret-high-entropy-token keys/sar-keys.json:7
      High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
      "x": "n0OM…fX8",
      quoted
    • low Secrets in code secret-high-entropy-token keys/sar-keys.json:14
      High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
      "x": "2a_B…AgI",
      quoted
    • low Secrets in code secret-high-entropy-token keys/sar-keys.json:22
      High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
      "x": "2a_B…AgI",
      quoted
    • low Secrets in code secret-high-entropy-token keys/sar-keys.json:86
      High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
      "x": "7vTE…MGc"
      quoted

    Files scanned: 15. Evidence is masked. Grey chips explain why severity was lowered.

    Against the Agent Skills spec

    • note frontmatter-key unknown frontmatter key "homepage"

    Process rating: all ten parameters 61/100

    • 0Result and completion. Does not say what the result is
    • 0Inputs and preconditions. Does not say what the process needs to start
    • 0Progress reporting. Says nothing while it works
    • 20When it triggers. No condition that starts the skill
    • 85Steps. 20 steps, 1 vague phrases
    • 100Tools and files. No external tools needed
    • 100Failures and branches. 1 branches, has a failure section
    • 100Consistency. Name and required fields are in place
    • 100Execution cost. Instruction body is 1679 tokens
    • 100Running it twice. No mutating operations
    • medium Safety rules and hard prohibitions inside a skill: they belong in the system prompt, here they protect nothing
    • low 10 top-level sections: this looks like several domains in one skill

    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
    • -31 of 2 scripts are never mentioned in SKILL.md
    • +1No license
    • +2Single-language instructions
    • +3Description length 376: enough signal without eating the budget
    • +4Structure: 11 headings
    • +3Step-by-step instructions: 20 items
    • +4Has examples (6 code blocks)

    Quality base 70; lint remarks subtract, signals add up to 100. Result: 80.

    External checks

    ClawHub: clean
    This skill is a disclosed local receipt verifier with optional, user-initiated DefaultVerifier network workflows, not hidden or automatic data transfer.
    LLM: benign (high) · VirusTotal: · 10 Sept 2026