Cowork Finance Plugin
Tested at top-tier by multiple independent reviewers. One reviewer reported reconciliation time dropped from 2h40m to 31 minutes.
Accounting and finance assistant bundling eight skills: journal entries, journal entry prep, reconciliation, financial statements, variance analysis, close management, audit support, and SOX testing — invoked as slash commands like /finance:reconciliation. Works with spreadsheets and CSV exports; ERP connection is optional, with Snowflake, Databricks, and BigQuery connectors available.
- Generate an income statement from your exported financial data
- Run variance analysis comparing budget to actual spending
- Prepare journal entries for month-end close from a spreadsheet
Tested at top-tier by multiple independent reviewers. One reviewer reported reconciliation time dropped from 2h40m to 31 minutes. Works by dropping CSV exports into your Cowork folder — Claude reads across multiple files simultaneously.
Controllers, accountants, and finance teams doing month-end close, variance analysis, or audit prep. Works with any CSV/Excel export — ERP integration is optional.
https://github.com/anthropics/knowledge-work-plugins
By Anthropic
How to Get It
claude plugin marketplace add anthropics/knowledge-work-plugins && claude plugin install finance@knowledge-work-plugins
Tip: Paste this into a Claude Code conversation. Verify command matches your Claude Code version.
Once it’s connected, paste this into Claude:
Help me generate an income statement from my exported financial data
Trust Signals Reviewed
Data & Access
Reviewer notes
Reviewed review. These are observations, not a security certification.
RE-EVALUATED: Original C rating was based on incorrect assumption that ERP connectors were required. Plugin works with CSV/Excel files. Rated top-tier by 2 independent reviewers (Gradually.ai, Medium). 5 commands, 6 skills. CAUTION: WSP benchmark found Claude hallucinated financial data. Always verify against source documents.
2026-04-02: REAL USER DATA: Rated top-tier by Gradually.ai (17 plugins reviewed) and Medium reviewer. Finance plugin has 5 commands (/journal-entry, /reconciliation, /income-statement, /variance-analysis, /sox-testing) and 6 skills. Works with CSV/Excel files dropped in Cowork folder — NO ERP required. ERP connectors (NetSuite, SAP, QuickBooks, Xero) are listed in CONNECTORS.md but NO MCP servers exist for them yet. Cross-app Excel-to-PowerPoint workflow praised as standout feature. CAUTION: Wall Street Prep benchmark found Claude hallucinated financial data — subtly wrong line items that summed correctly. Always verify numbers against source documents.
2026-03-29: Connectors: Snowflake, Databricks, BigQuery, Slack, Microsoft 365. Also see financial-services-plugins for investment/banking use cases: https://github.com/anthropics/financial-services-plugins Official repo: https://github.com/anthropics/knowledge-work-plugins/tree/main/finance
2026-03-29: SECURITY FINDING (JJ Englert, Mar 2026): Cowork connectors are scoped at the Anthropic account level, NOT the workspace level. A connector added in one Cowork workspace is accessible in ALL workspaces under the same Anthropic account. This means: (1) connectors with sensitive access (email, calendar, CRM) bleed across all projects/workspaces; (2) multi-tenant setups sharing an Anthropic account are NOT isolated at the connector level; (3) evaluate connector blast radius across the full account, not just the workspace being configured. Source: https://github.com/JJenglert1/getting-started-with-claude-cowork
Things to check
- No real-time ERP sync; requires manual data export/upload. Best suited for quarterly or monthly close cycles, not continuous accounting workflows. Assumes clean, well-structured input data.
How to evaluate tools before deploying →
Data shown here comes from public APIs and automated scanning. Reviewer notes reflect one person's experience. This is not a security certification or legal recommendation. Always evaluate tools according to your own organization's policies.
Evaluation
RE-EVALUATED: Original C rating was based on incorrect assumption that ERP connectors were required. Plugin works with CSV/Excel files. Rated top-tier by 2 independent reviewers (Gradually.ai, Medium). 5 commands, 6 skills. CAUTION: WSP benchmark found Claude hallucinated financial data. Always verify against source documents.