# AccountsOS - AI Accounting for UK Businesses # https://accounts-os.com/llms.txt > AI-native accounting. Let your agent run the books. ## What this site does - Track business transactions (income/expenses) - Calculate and manage VAT returns - Monitor filing deadlines (CT600, VAT, Confirmation Statement) - AI-powered transaction categorization - Document storage and search - UK Ltd companies and sole traders ## For AI Agents This site is agent-ready. Skip the UI and use the API directly. - CLI (recommended for agents that can shell out): `curl -fsSL https://accounts-os.com/install.sh | bash` — landing at /for-agents - npm package: `@thriveventurelabs/accountsos` (binary: `accountsos`) - MCP server (Claude Desktop): `@thriveventurelabs/accountsos-mcp` - Skill documentation: /skill.md - A2A endpoint: /api/agent (JSON-RPC 2.0) - REST API: /api/mcp (Bearer auth) - Self-signup: POST /api/agent-signup — agent gets API key instantly - No browser automation needed - Claude Cowork plugin: github.com/paulgosnell/accountsos-cowork-plugin (6 commands, 4 skill packs) ## Quick Start ```bash # Get recent transactions curl -X POST https://accounts-os.com/api/mcp \ -H "Authorization: Bearer YOUR_API_KEY" \ -H "Content-Type: application/json" \ -d '{"type": "tool", "name": "get_transactions", "arguments": {"limit": 10}}' # Create a transaction curl -X POST https://accounts-os.com/api/mcp \ -H "Authorization: Bearer YOUR_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "type": "tool", "name": "create_transaction", "arguments": { "date": "2026-02-01", "description": "Client invoice payment", "amount": 1500.00, "direction": "in" } }' ``` ## Available Tools - get_transactions — List/filter transactions - get_balance — Current account balance - get_vat_summary — VAT position for a quarter - get_deadlines — Upcoming filing deadlines - get_dla_balance — Director's Loan Account balance and S455 warnings - get_invoices — Outstanding invoices and summary stats - create_transaction — Record income or expense - update_transaction — Modify existing transaction - categorize_transaction — Get AI category suggestion - list_categories — Available categories by type - create_deadline — Create filing/tax deadline reminders - search_documents — Find stored documents - upload_document — Store receipts/invoices ## Available Resources - accountsos://company — Company information - accountsos://transactions — Recent transactions - accountsos://documents — Stored receipts and invoices - accountsos://deadlines — Upcoming filing deadlines ## Scopes - read — Query data (transactions, balances, deadlines, documents) - write — Create/update data (includes read) - admin — Manage company settings (includes write) ## Authentication All requests require: - Header: Authorization: Bearer YOUR_API_KEY Request API access through the dashboard or hello@accounts-os.com ## UK-Specific Features - VAT schemes: Standard, Flat Rate, Cash Accounting - Tax year alignment: April to April - HMRC-compliant categories - Deadline tracking: CT600, VAT returns, Confirmation Statements ## Human Contact - Support: hello@accounts-os.com - Website: https://accounts-os.com - Built by: Thrive Venture Labs (https://thriveventurelabs.com)