# Maindex (maindex.io)

Stores a shared memory graph that AI agents and teammates read and write via MCP or REST, with provenance on each fact.

- Atlas card: https://inite.ai/en/atlas/maindex.io
- Site: https://maindex.io
- For: Teams using several AI agents who need shared, auditable memory across Cursor, Claude and ChatGPT.
- Categories: agents
- Use not measured/100 · alive 100/100

## Used for

- give agents memory that persists between sessions
- track where each stored fact came from and what replaced it
- share team collections with agents through MCP

## Price

- from 14.99 USD/month, no free plan (read 2026-10-20 on https://maindex.io/pricing/)

## For developers

- MCP server: io.maindex/expert (namespace; auth on 2026-10-20)
- MCP server: io.maindex/smart (namespace; auth on 2026-10-20)
- Read 2026-10-20

## MCP server, measured daily

Server: https://expert.maindex.io/mcp, checked every day since 2026-10-20 (2 checks).

- Answered: measuring, 2 daily checks so far
- Median first answer: 98 ms
- Sign-in: OAuth (the client signs the user in)
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: soc2
- Read 2026-10-20

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