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CD alchemy-web3

Interact with Alchemy's Web3 APIs for blockchain data, NFTs, tokens, transfers, and webhooks across 80+ chains.

modbender/skill-library-mcp Agent Skills author: modbender MIT 8 files · 1 script body ≈ 2 784 tokens Open the sourcegithub.com↗ analyzed 2 d ago

Interact with Alchemy's Web3 APIs for blockchain data, NFTs, tokens, transfers, and webhooks across 80+ chains.

As a process D 48/100 · Unfinished process — weak spots: result and completion, when it triggers, inputs and preconditions

IntegrationGitHubAI and agentsSoftware developmentData and analyticstype 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
C
72/100
safety, quality, tests
Safety 60%
71
Quality 40%
73
Run on models
none yet
Process rating
D
48/100
Unfinished process
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 · 29

✓ No critical or high findings

Medium and low: 29
  • low Secrets in code secret-high-entropy-token README.md:33
    High-entropy token-like string (may be an id, hash or a credential)
    ./scripts/alchemy.sh balance 0xd8…045
  • low Secrets in code secret-high-entropy-token README.md:36
    High-entropy token-like string (may be an id, hash or a credential)
    ./scripts/alchemy.sh nfts 0xd8…045
  • low Secrets in code secret-high-entropy-token references/agent-workflows.md:13
    High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
    WHALE="0xd8…045"
    quoted
  • low Secrets in code secret-high-entropy-token references/agent-workflows.md:40
    High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
    WALLET="0x76…10a"
    quoted
  • low Secrets in code secret-high-entropy-token references/agent-workflows.md:71
    High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
    "0xBC…13D"  # BAYC
    quoted
  • low Secrets in code secret-high-entropy-token references/agent-workflows.md:72
    High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
    "0x60…7c6"  # MAYC
    quoted
  • low Secrets in code secret-high-entropy-token references/agent-workflows.md:73
    High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
    "0xb4…BBB"  # CryptoPunks
    quoted
  • low Exfiltration net-credential-use references/agent-workflows.md:77
    Credential used in a network call (verify the destination is the intended service) (the skill's own vendor host)
    floor=$(curl -s "https://eth-mainnet.g.alchemy.com/nft/v3/$ALCHEMY_API_KEY/getFloorPrice?contractAddress=…" | jq -r '.openSea.floorPrice // "N/A"')
    vendor-host
  • low Exfiltration net-credential-use references/agent-workflows.md:174
    Credential used in a network call (verify the destination is the intended service) (the skill's own vendor host)
    latest=$(curl -s "https://eth-mainnet.g.alchemy.com/nft/v3/$ALCHEMY_API_KEY/getNFTsForContract?contractAddress=…&limit=1&orderBy=…" | jq -r '.nfts[0].tokenId')
    vendor-host
  • low Exfiltration net-credential-use references/chains.md:88
    Credential used in a network call (verify the destination is the intended service) (the skill's own vendor host)
    curl https://eth-mainnet.g.alchemy.com/v2/$ALCHEMY_API_KEY ...
    vendor-host
  • low Exfiltration net-credential-use references/chains.md:91
    Credential used in a network call (verify the destination is the intended service) (the skill's own vendor host)
    curl https://polygon-mainnet.g.alchemy.com/v2/$ALCHEMY_API_KEY ...
    vendor-host
  • low Exfiltration net-credential-use references/chains.md:94
    Credential used in a network call (verify the destination is the intended service) (the skill's own vendor host)
    curl https://base-mainnet.g.alchemy.com/v2/$ALCHEMY_API_KEY ...
    vendor-host
  • low Exfiltration net-credential-use references/chains.md:97
    Credential used in a network call (verify the destination is the intended service) (the skill's own vendor host)
    curl https://arb-mainnet.g.alchemy.com/v2/$ALCHEMY_API_KEY ...
    vendor-host
  • low Secrets in code secret-high-entropy-token references/token-api.md:20
    High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
    "0xd8…045",
    quoted
  • low Secrets in code secret-high-entropy-token references/token-api.md:35
    High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
    "address": "0xd8…045",
    quoted
  • low Secrets in code secret-high-entropy-token references/token-api.md:38
    High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
    "contractAddress": "0xA0…B48",
    quoted
  • low Secrets in code secret-high-entropy-token references/token-api.md:55
    High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
    "params": ["0xA0…B48"],
    quoted
  • low Secrets in code secret-high-entropy-token references/token-api.md:81
    High-entropy token-like string (may be an id, hash or a credential) (quoted — discussed, not commanded)
    "contract": "0xA0…B48",
    quoted
  • low Secrets in code secret-high-entropy-token scripts/alchemy.sh:50
    High-entropy token-like string (may be an id, hash or a credential)
    alchemy.sh nfts 0xd8…045
  • low Secrets in code secret-high-entropy-token SKILL.md:77
    High-entropy token-like string (may be an id, hash or a credential)
    ./alchemy.sh balance 0xd8…045
  • low Secrets in code secret-high-entropy-token SKILL.md:83
    High-entropy token-like string (may be an id, hash or a credential)
    ./alchemy.sh tokens 0xd8…045
  • low Secrets in code secret-high-entropy-token SKILL.md:89
    High-entropy token-like string (may be an id, hash or a credential)
    ./alchemy.sh nfts 0xd8…045
  • low Secrets in code secret-high-entropy-token SKILL.md:95
    High-entropy token-like string (may be an id, hash or a credential)
    ./alchemy.sh nft-metadata 0x51…ac8 1590
  • low Secrets in code secret-high-entropy-token SKILL.md:101
    High-entropy token-like string (may be an id, hash or a credential)
    ./alchemy.sh transfers 0xd8…045
  • low Exfiltration net-credential-use SKILL.md:134
    Credential used in a network call (verify the destination is the intended service) (the skill's own vendor host)
    curl -X POST "https://eth-mainnet.g.alchemy.com/v2/$ALCHEMY_API_KEY" \
    vendor-host
  • low Exfiltration net-credential-use SKILL.md:148
    Credential used in a network call (verify the destination is the intended service) (the skill's own vendor host)
    curl "https://eth-mainnet.g.alchemy.com/nft/v3/$ALCHEMY_API_KEY/getNFTsForOwner?owner=…&pageSize=10"
    vendor-host
  • low Exfiltration net-credential-use SKILL.md:151
    Credential used in a network call (verify the destination is the intended service) (the skill's own vendor host)
    curl "https://eth-mainnet.g.alchemy.com/nft/v3/$ALCHEMY_API_KEY/getNFTMetadata?contractAddress=…&tokenId=1590"
    vendor-host
  • low Exfiltration net-credential-use SKILL.md:154
    Credential used in a network call (verify the destination is the intended service) (the skill's own vendor host)
    curl "https://eth-mainnet.g.alchemy.com/nft/v3/$ALCHEMY_API_KEY/getNFTsForContract?contractAddress=…&limit=10"
    vendor-host
  • low Exfiltration net-credential-use SKILL.md:161
    Credential used in a network call (verify the destination is the intended service) (the skill's own vendor host)
    curl -X POST "https://eth-mainnet.g.alchemy.com/v2/$ALCHEMY_API_KEY" \
    vendor-host

Files scanned: 8. 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 "website"
  • note frontmatter-key unknown frontmatter key "homepage"
  • note frontmatter-key unknown frontmatter key "repository"

Process rating: all ten parameters 48/100

  • 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. 6 mutating operations with no state check
  • 50Failures and branches. 0 branches, has a failure section
  • 60Tools and files. Uses tools (web, node) that frontmatter does not declare
  • 100Steps. 27 steps
  • 100Consistency. Name and required fields are in place
  • 100Execution cost. Instruction body is 2784 tokens
  • low 13 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)
  • +3Description length 111: 120–800 characters recommended
  • +3Output format is not stated: the model decides each time
  • +1No license
  • +2Single-language instructions
  • +4Structure: 41 headings
  • +3Step-by-step instructions: 27 items
  • +4Has examples (26 code blocks)
  • +4Reference files are cited in the instructions (5 of 5)
  • +3All 1 scripts are documented

Quality base 70; lint remarks subtract, signals add up to 100. Result: 73.