kraken-error-recovery

Apps & Automation

Handle order failures, network errors, and duplicate submissions safely.

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How to use this skill

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Source SKILL.md: https://github.com/krakenfx/kraken-cli/blob/HEAD/skills/kraken-error-recovery/SKILL.md

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kraken-error-recovery

Use this skill for:

recovering from failed order submissions
preventing duplicate orders after network errors
handling partial fills and stuck states
building resilient agent loops

Error Categories

Parse the .error field from the JSON response:

Category	Meaning	Recovery
`auth`	Credentials invalid or expired	Re-authenticate, do not retry
`rate_limit`	Too many requests	Read `suggestion` and `docs_url` fields, adapt strategy
`network`	Connection failed	Retry with exponential backoff
`validation`	Invalid request parameters	Fix inputs, do not retry unchanged
`api`	Exchange-side rejection	Inspect error message, adjust request

Duplicate Order Prevention

After a network error during order submission, the order may or may not have reached the exchange. Check before resubmitting:

kraken open-orders -o json 2>/dev/null

If the order appears in open-orders, do not resubmit. If absent:

kraken trades-history -o json 2>/dev/null

If the order filled immediately, it appears in trades. Only resubmit if the order is absent from both.

Client Order ID for Idempotency

Use --cl-ord-id to tag orders with a unique identifier:

kraken order buy BTCUSD 0.001 --type limit --price 50000 --cl-ord-id "dca-2024-01-15-001" -o json 2>/dev/null

If the submission fails, query by client order ID to check if it reached the exchange:

kraken open-orders --cl-ord-id "dca-2024-01-15-001" -o json 2>/dev/null

Cancel by client order ID if needed:

kraken order cancel --cl-ord-id "dca-2024-01-15-001" -o json 2>/dev/null

Network Error Recovery Pattern

1. Submit order (capture exit code and response)
2. If exit code != 0 and error == "network":
   a. Wait 2 seconds
   b. Check open-orders for the order (by cl-ord-id or recent orders)
   c. If found → order succeeded, proceed
   d. If not found → check trades-history
   e. If in trades → order filled, proceed
   f. If absent from both → safe to retry
3. Retry with same cl-ord-id

Rate Limit Recovery

The CLI returns rate limit errors immediately with no internal retry. The error includes actionable fields for the agent to decide next steps.

On rate_limit error:

Read the suggestion field for specific guidance on what limit was hit and how to adapt.
Read the docs_url field for the relevant Kraken documentation.
Decide whether to retry (and when), reduce request frequency, or switch to WebSocket streaming for real-time data.
Resume with a single test call before continuing the loop.

# { "error": "rate_limit", "suggestion": "...", "docs_url": "...", "retryable": true }
kraken status -o json 2>/dev/null

If status succeeds, the rate limit has cleared.

Partial Fill Handling

Limit orders may partially fill. Check order status:

kraken query-orders <TXID> -o json 2>/dev/null

Fields: vol (requested volume), vol_exec (filled volume), status (open, closed, canceled).

If partially filled and the remaining volume is needed, amend or place a new order for the remaining amount.

Stuck Order Resolution

An order stuck in open state that should have filled or been canceled:

Check the order:

kraken query-orders <TXID> -o json 2>/dev/null

If still open, cancel:

kraken order cancel <TXID> -o json 2>/dev/null

Verify cancellation:
```
kraken open-orders -o json 2>/dev/null
```

Hard Rules

Never blind-retry an order after a network error; always check state first.
Use --cl-ord-id for all orders in automated loops.
On auth errors, stop all activity and re-authenticate.
Log every error and recovery action for post-session audit.