{"$schema":"https://static.modelcontextprotocol.io/schemas/server-card/v1.json","version":"1.0","protocolVersion":"2025-06-18","serverInfo":{"name":"lucius","title":"Lucius","version":"1.0.0","description":"Read and write Lucius financial data: burn, runway, invoices, ledger, and contract-to-cash.","websiteUrl":"https://lucius.finance","documentationUrl":"https://lucius.finance/docs/mcp"},"transport":{"type":"streamable-http","url":"https://api.lucius.finance/mcp"},"authentication":{"required":true,"schemes":["oauth2"],"oauth2":{"authorizationUrl":"https://api.lucius.finance/oauth/authorize","tokenUrl":"https://api.lucius.finance/oauth/token","scopes":{"read:analytics":"Read burn, runway, revenue trends, forecasts, and cash position","read:reports":"Read profit and loss, balance sheet, cash flow, and deferred revenue reports","read:transactions":"Read bank balances, accounts, and bank transactions","read:invoices":"Read receivables, payables, customers, vendors, contracts, and usage","read:ledger":"Read journal entries, chart of accounts, and account activity","read:gmail":"Read Gmail threads for invoice intake and lead follow-up","write:invoices":"Create and update invoices, customers, vendors, contracts, and purchase orders","write:transactions":"Reconcile, classify, and link bank transactions","write:ledger":"Post ledger corrections, splits, VAT, and deferred-revenue schedules","write:tax":"Submit tax returns (irreversible)"}}},"capabilities":{"tools":{"listChanged":true},"resources":{},"prompts":{}},"instructions":"OAuth 2.1 PKCE. Request only the scopes you need. v1 tools are mostly read-only; writes require write:* scopes."}