# FactorGuide (factorguide.io)

Takes a covariance or correlation matrix and classifies which variable pairs can be safely factorized and which must be preserved.

- Atlas card: https://inite.ai/en/atlas/factorguide.io
- Site: https://factorguide.io
- For: AI agent builders and teams with coupled variables deciding which ones can safely be factorized
- Use 0/100 · alive 59/100

## Used for

- check which variable pairs can be factorized safely
- flag load-bearing couplings before splitting a model
- rank which dependencies to remove first

## Price

- from 0.05 USD/usage, free plan (read 2026-10-26 on https://factorguide.io/#pricing)

## For developers

- OpenAPI: https://factorguide.io/openapi.json (8 paths)
- MCP server: io.factorguide/factorguide (namespace; open on 2026-10-26, 7 tools)
- Read 2026-10-26

## MCP server, measured daily

Server: https://factorguide.io/mcp, checked every day since 2026-10-26 (10 checks).

- Answered: 100% of daily checks
- Median first answer: 225 ms
- Sign-in: none
- Context its tool definitions take: about 1993 tokens (7 tools)
- Tool definitions: C, 74/100
- Failing "params_described": 4 of 7 tools
- Failing "annotations": 7 of 7 tools
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-26

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