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cardano-cli-doctor

Testing & Quality
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Diagnose cardano-cli: version, era-prefixed vs legacy syntax, network flags. Produces compatibility report.

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Source SKILL.md: https://github.com/majiayu000/claude-skill-registry/blob/HEAD/skills/bash/cardano-cli-doctor-charleshoskinson-danceswithclaws/SKILL.md

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cardano-cli-doctor

When to use

  • Before generating CLI workflows to detect correct command style (era-prefixed vs legacy)
  • When debugging CLI flag errors or version mismatches
  • When setting up a new environment

Operating rules (must follow)

  • Never ask for or log secret key contents
  • Prefer read-only diagnostics (--help, version, query tip)
  • If air-gapped machine, avoid network commands unless explicitly requested
  • Output a Compat Report with recommended command style

Workflow

  1. Collect environment facts (auto-injected via context)

    • CLI version
    • Available era-prefixed commands (conway, latest)
    • Legacy flag presence (--babbage-era, etc.)

  2. Decide command style

    • cardano-cli conway --help works → era-prefixed supported
    • --babbage-era in help → legacy flags supported
    • Both exist → prefer era-prefixed (newer)

  3. Network sanity (optional, if socket available)

    • cardano-cli query tip --mainnet or --testnet-magic <N>
    • Detect: missing socket, wrong magic, sync status

  4. Produce Compat Report

    CLI Version: X.Y.Z
Era-prefixed: ✓ conway, latest
Legacy flags: ✓ --babbage-era
Recommended: era-prefixed (cardano-cli conway ...)
Network: --testnet-magic 1 (preprod)

Examples

Example 1: Modern CLI (era-prefixed)

Input: User has cardano-cli 10.1.0

Output:

=== Cardano CLI Compatibility Report ===

CLI Version: 10.1.0.0
Git Rev: abc123

Supported Commands:
  ✓ cardano-cli conway --help (recommended)
  ✓ cardano-cli latest --help
  ✓ cardano-cli babbage --help

Recommended Style: ERA-PREFIXED
  cardano-cli conway transaction build ...
  cardano-cli conway query utxo ...

Network Flags:
  Mainnet: --mainnet
  Preprod: --testnet-magic 1
  Preview: --testnet-magic 2

Example 2: Legacy CLI

Input: User has cardano-cli 8.x

Output:

=== Cardano CLI Compatibility Report ===

CLI Version: 8.24.0.0

Supported Commands:
  ✗ Era-prefixed not available

Legacy Flags Detected:
  ✓ --babbage-era
  ✓ --alonzo-era

Recommended Style: LEGACY FLAGS
  cardano-cli transaction build --babbage-era ...

Safety / key handling

  • Avoid commands that print or touch .skey files
  • Recommend chmod 600 *.skey for real funds
  • Prefer offline keygen for mainnet

References