Skill

kraken-shared

Defines runtime contract for kraken-cli: invocation via bash, authentication, JSON parsing, error routing, and safety checks for Kraken exchange transactions.

Bash

cli-tools

security

npx claudepluginhub krakenfx/kraken-cli

Tool Access

This skill uses the workspace's default tool permissions.

Preview

**This tool is experimental. Commands execute real financial transactions on the Kraken exchange. Test with `kraken paper` before using real funds. See `DISCLAIMER.md` for full terms.**

SKILL.md

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Last CommitMar 10, 2026

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kraken-shared

This tool is experimental. Commands execute real financial transactions on the Kraken exchange. Test with kraken paper before using real funds. See DISCLAIMER.md for full terms.

Invocation Contract

Always call:

kraken <command> [args...] -o json 2>/dev/null

Rules:

Parse stdout only.
Treat stderr as diagnostics.
Exit code 0 means success.
Non-zero exit means failure with JSON envelope in stdout.

Authentication

export KRAKEN_API_KEY="your-key"
export KRAKEN_API_SECRET="your-secret"

Optional futures credentials:

export KRAKEN_FUTURES_API_KEY="your-futures-key"
export KRAKEN_FUTURES_API_SECRET="your-futures-secret"

Public market data and paper trading require no credentials.

Error Routing

Route on .error:

auth: re-authenticate
rate_limit: read suggestion and docs_url fields, adapt strategy
network: retry with exponential backoff
validation: fix inputs, do not retry unchanged request
api: inspect request parameters

Safety

The catalog marks 32 commands as dangerous: true. Always check the dangerous field in agents/tool-catalog.json before executing a command.

Require explicit human approval before:

live buy or sell orders (spot and futures)
order amendments, edits, and batch operations
cancel and cancel-all operations
withdrawals and wallet transfers
earn allocate/deallocate
subaccount transfers
WebSocket order mutations

Use paper trading for dry runs:

kraken paper init --balance 10000 -o json