Best of everything AI-native GL (AGL)
A fully deterministic general ledger ensures accuracy and reliability, but traditional ledgers weren’t built to take full advantage of AI. Tight built its AI-native General Ledger to both take advantage of the quick evolution of LLMs and leverage the accuracy of a fully deterministic ledger.What AI can automate
AI helps automate categorization (93% on average), reconciliation, anomaly detection, reporting, and analysis, while the fully deterministic nature of Tight’s GL ensures AI hallucinations don’t impact the underlying GL.Why a deterministic General Ledger
By nature of their model, LLMs work best with human language-level abstractions, not writing debits and credits directly into the GL. Tight’s API provides these LLM-friendly abstractions, e.g. categorizing a transaction, marking a bill as paid, refunding an invoice payment, while encapsulating the underlying writes into the GL in a proven, robust architecture. This API-first design is the perfect use case for Agents to fully manage a user’s books without needing to manage low-level general ledger transactions directly.Agentic Accounting
Agentic Accountants have arrived, allowing business owners to keep their books on auto-drive while trusting that Agentic Accountants will reach out with any questions if/when needed. See Tight’s Agentic Accounting updates to stay up to date on its rapid evolution.Creating an AI-native architecture
Tight’s most talented (both experienced and AI-native) engineers reenvisioned Tight’s APIs and architecture with Agentic Accountants in mind, yielding Tight’s AI-native ledger:- v6 API
- Proven maturity and edge-case handling from v5
- DB optimized for high-performance floor and ceiling for AI-centric use cases, including burst requests
- Result sets formatted for ease of consumption by LLMs
- Self-learning transaction categorization and reconciliation, leveraging rules formed by 1.3M SMBs’ worth of data
Building Tight MCPs
The Tight MCP Server was designed in parallel with the Tight v6 API itself, naturally creating a cohesive AI-native ecosystem. That combined with the Tight team’s deep knowledge of accounting use-cases, both for business owners and bookkeepers, translated to a comprehensive set of MCP tools enabling agentic interaction with the Tight API. The Tight API’s MCP tools are grouped by domain area:Next Steps
MCP Tools
Integrate Tight’s rich accounting knowledge into your LLM-powered product
Agentic Accounting
Enable autonomous AI agents to handle end-to-end accounting workflows