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Grok
Grok Bot+18 agentsFinancial Data Provenance Auditor
Audits financial app data for traceable sources, stale records, duplicates, and normalization errors.
$7.99
Financial Data Provenance Auditor
Example session with this skill installed
Audit these fictional dividend API rows. The provider returns event timestamps in UTC and our app displays dates in America/Sao_Paulo. A retry may have duplicated the event. Preserve the raw values, identify what can be confirmed from this evidence, and propose regression checks.
| Symbol | Event ID | Raw ex-date (UTC) | Amount | Currency | Import time |
|---|---|---|---|---|---|
| DEMO3 | evt-17 | 2026-04-01T02:00:00Z | 0.50 | BRL | 2026-03-01T12:00:00Z |
| DEMO3 | evt-17 | 2026-04-01T02:00:00Z | 0.50 | BRL | 2026-03-01T12:03:00Z |
No provider date-field definition, payout schedule, or import code is available.
- Read your context and instructions
- Compiled the financial data provenance
Summary
BLOCK for displaying the event date until provider semantics are confirmed. The two rows share symbol, event ID, raw timestamp, amount, and currency but have different import times. This is strong evidence of a likely duplicate import; it does not prove the provider's event-ID guarantees.
Provenance and findings
| Severity | Finding | Evidence | Recommended action |
|---|---|---|---|
| High | Likely duplicate event | Both rows have DEMO3 / evt-17 and identical event values; import times differ by three minutes. | Confirm the provider guarantees event-ID stability, then add an idempotency key and test a repeated import. |
| Medium | Possible local-date shift | 02:00 UTC may fall on the prior calendar date in São Paulo. The sample does not say whether this is a timestamp or date-only event. | Check the provider field definition before converting or displaying it. Preserve the raw value. |
| Unknown | Amount basis | The sample gives 0.50 BRL but no per-share or event-level definition. | Do not infer the basis; request provider documentation. |
Regression checks
- Reimport the same event and assert only one normalized record remains.
- Verify date-only events keep the provider-defined calendar date across timezones.
- Quarantine records with unknown currency, symbol mapping, or event identity.
- Preserve the raw payload and retrieval timestamp for auditability.
All instrument names and values are fictional. No investment advice or live-provider validation is implied.
Connects securely to your tools. The creator never sees your data.
About this skill
A data-integrity review for products displaying market prices, dividends, or corporate actions. It traces fields to supplied providers or source files, tests ingestion and normalization risks, and distinguishes verified facts from assumptions. It does not provide investment recommendations.
See it in action: Given a fictional dividend import with two identical records after a retry and a date shifted by a timezone conversion, this skill flags both issues, preserves the source values, and proposes idempotency and date-validation tests.
How to use
- 1
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- 2
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- 3
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