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BC the-flip

$1 USDC entry. Pick 20 predictions. All 20 coins flip at once each round. Match the first 14 to win the entire jackpot. Live on Solana devnet.

modbender/skill-library-mcp Agent Skills author: modbender MIT 14 files body ≈ 963 tokens Open the sourcegithub.com↗ analyzed 2 d ago

$1 USDC entry. Pick 20 predictions. All 20 coins flip at once each round. Match the first 14 to win the entire jackpot. Live on Solana devnet.

As a process C 56/100 · Has gaps — weak spots: result and completion, when it triggers, inputs and preconditions

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
76/100
safety, quality, tests
Safety 60%
78
Quality 40%
72
Run on models
none yet
Process rating
C
56/100
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

  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 · 22

✓ No critical or high findings

Medium and low: 22
  • low Secrets in code secret-high-entropy-token Anchor.toml:8
    High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
    the_flip = "7rSM…ECX"
    quoted
  • low Secrets in code secret-high-entropy-token app/demo.mjs:8
    High-entropy token-like string (may be an id, hash or a credential)
    * Works with deployed program: 7rSM…ECX
  • low Secrets in code secret-high-entropy-token app/demo.mjs:32
    High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
    const USDC_MINT = new PublicKey('4zMM…cDU');
    quoted
  • low Secrets in code secret-high-entropy-token app/demo.mjs:33
    High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
    const PROGRAM_ID = new PublicKey('7rSM…ECX');
    quoted
  • low Secrets in code secret-high-entropy-token idl/the_flip.json:2
    High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
    "address": "7rSM…ECX",
    quoted
  • low Secrets in code secret-high-entropy-token idl/the_flip.json:69
    High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
    "address": "Toke…5DA"
    quoted
  • low Secrets in code secret-high-entropy-token idl/the_flip.json:211
    High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
    "address": "Toke…5DA"
    quoted
  • low Secrets in code secret-high-entropy-token idl/the_flip.json:345
    High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
    "address": "Toke…5DA"
    quoted
  • low Secrets in code secret-high-entropy-token idl/the_flip.json:349
    High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
    "address": "Sysv…111"
    quoted
  • low Secrets in code secret-high-entropy-token package-lock.json:61
    High-entropy token-like string (may be an id, hash or a credential) (detector / deny-list definition)
    "integrity": "sha5…rAV+/W2RQ…lxf+8fKkmSfQ==",
    detector
  • low Secrets in code secret-high-entropy-token package-lock.json:241
    High-entropy token-like string (may be an id, hash or a credential) (detector / deny-list definition)
    "integrity": "sha5…oJ7+bcFA…ixm+5mH4…Qya/9Bmf…tYQ==",
    detector
  • low Secrets in code secret-high-entropy-token package-lock.json:376
    High-entropy token-like string (may be an id, hash or a credential) (detector / deny-list definition)
    "integrity": "sha5…0ah+lGiA…co6+9GrJ…naQ==",
    detector
  • low Secrets in code secret-high-entropy-token package-lock.json:404
    High-entropy token-like string (may be an id, hash or a credential) (detector / deny-list definition)
    "integrity": "sha512-uV+TFRZ…IGm+jTqQntYThciG/qu57…W9A==",
    detector
  • low Secrets in code secret-high-entropy-token package-lock.json:413
    High-entropy token-like string (may be an id, hash or a credential) (detector / deny-list definition)
    "integrity": "sha5…Mvo+5lex…ani+adC5PQ==",
    detector
  • low Secrets in code secret-high-entropy-token program/src/lib.rs:5
    High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
    declare_id!("7rSM…ECX");
    quoted
  • low Secrets in code secret-high-entropy-token README.md:93
    High-entropy token-like string (may be an id, hash or a credential) (documentation table row)
    | **Program** | [`7rSM…ECX`](https://explorer.solana.com/address/7rSM…ECX?cluster=…) |
    table
  • low Secrets in code secret-high-entropy-token README.md:94
    High-entropy token-like string (may be an id, hash or a credential) (documentation table row)
    | **USDC Mint** | `4zMM…cDU` |
    table
  • low Secrets in code secret-high-entropy-token README.md:214
    High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
    const PROGRAM_ID = new PublicKey('7rSM…ECX');
    quoted
  • low Secrets in code secret-high-entropy-token README.md:215
    High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
    const AUTHORITY  = new PublicKey('89Fe…bLa');
    quoted
  • low Secrets in code secret-high-entropy-token README.md:293
    High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
    "params": ["AAEw…Gqd", {"encoding": "base64"}]
    quoted
  • low Secrets in code secret-high-entropy-token SKILL.md:129
    High-entropy token-like string (may be an id, hash or a credential) (documentation table row)
    | **Program** | `7rSM…ECX` |
    table
  • low Secrets in code secret-high-entropy-token SKILL.md:130
    High-entropy token-like string (may be an id, hash or a credential) (documentation table row)
    | **USDC Mint** | `4zMM…cDU` |
    table

Files scanned: 13. 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")

Process rating: all ten parameters 56/100

  • 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
  • 30Running it twice. 1 mutating operations with no state check
  • 55Failures and branches. 1 branches
  • 100Tools and files. No external tools needed
  • 100Steps. 5 steps
  • 100Consistency. Name and required fields are in place
  • 100Execution cost. Instruction body is 963 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 142: enough signal without eating the budget
  • +4Structure: 13 headings
  • +3Step-by-step instructions: 5 items
  • +4Has examples (8 code blocks)

Quality base 70; lint remarks subtract, signals add up to 100. Result: 72.