An enhanced MCP server for Xero, enabling natural language interaction with your Xero organisation for accounting tasks like invoices, contacts, bank transactions, and payroll.
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Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse
Anthropic's MCP TypeScript SDK has a ReDoS vulnerability
Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default
axios Vulnerable to Full Man-in-the-Middle via Prototype Pollution Gadget in `config.proxy`
axios Vulnerable to Credential Theft and Response Hijacking via Prototype Pollution Gadget in Config Merge
process.env. You'll be asked to provide them before it can run.XERO_CLIENT_BEARER_TOKEN— Bearer token warnings If is expired (or about to expire), a clear warning is logged rather than a cryptic 401.XERO_CLIENT_ID— "": "your_client_id",XERO_CLIENT_SECRET— "": "your_client_secret"XERO_SCOPES— Auth scopes Scopes are now configurable via . The hardcoded scopes in the original broke apps created after 2 March 2026 when Xero introduced granular scope requirements.[](https://m8ven.ai/mcp/danielreddd-xero-mcp-enhanced-c9ipak)