# Rutter Accounting API vs Xero API + MCP (slim) > Xero API + MCP has a score of 67.4 (B) against Rutter Accounting API's 55.8 (C). Both do accounting ledger. The largest gap is security & auth, 28 points. Category scores, facts, verdicts and agent notes side by side. - Full: https://www.anchorterminal.com/compare/rutter-vs-xero.md (~1,500 tokens) · this version ~330 tokens · JSON https://www.anchorterminal.com/compare/rutter-vs-xero.json · canonical https://www.anchorterminal.com/compare/rutter-vs-xero - Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-05 Xero API + MCP has a score of 67.4 (B) against Rutter Accounting API's 55.8 (C). Both do accounting ledger. The largest gap is security & auth, 28 points. - Rutter Accounting API: C 55.8, rank #311 of 452 · https://www.anchorterminal.com/tools/rutter.min.md - Xero API + MCP: B 67.4, rank #143 of 452 · https://www.anchorterminal.com/tools/xero.min.md - Pick Rutter Accounting API for nothing in particular. Pick Xero API + MCP for agent ergonomics (+8), security & auth (+28), payments & pricing (+15), maintenance & community (+14), transparency & trust (+24). | Category | Rutter Accounting API | Xero API + MCP | | --- | --- | --- | | Reliability (16%) | 67 | 68 | | Performance (10%) | pending | pending | | Schema & documentation (13%) | 79 | 79 | | Agent ergonomics (13%) | 67 | 75 | | Security & auth (14%) | 36 | 64 | | Payments & pricing (10%) | 20 | 35 | | Task success (10%) | pending | pending | | Maintenance & community (7%) | 62 | 76 | | Transparency & trust (7%) | 51 | 75 |