# basis1 (basis1.tech)

Parses xlsx and xlsm workbooks into typed cells and formula graphs, then recomputes every formula deterministically for checking against Excel's cached values.

- Atlas card: https://inite.ai/en/atlas/basis1.tech
- Site: https://basis1.tech
- For: Analysts and engineers checking or editing Excel models, including AI agents via MCP
- Use not measured/100 · alive 87/100

## Used for

- audit a workbook for broken references and hardcoded numbers
- recompute formulas and compare results against Excel's saved values
- trace a cell's formula through its dependencies

## Price

Not read yet.

## For developers

- API docs: https://api.basis1.tech
- MCP server: tech.basis1/mcp (namespace; auth on 2026-11-04)
- Read 2026-11-04

## MCP server, measured daily

Server: https://api.basis1.tech/mcp, checked every day since 2026-11-04 (1 checks).

- Answered: measuring, 1 daily checks so far
- Median first answer: 292 ms
- Sign-in: a pasted key
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-11-04

---

Source: INITE Atlas, https://inite.ai/en/atlas/basis1.tech. JSON: https://inite.ai/api/atlas/basis1.tech. MCP: https://inite.ai/api/mcp (atlas_lookup).