# Cairn (cairn.ink)

Stores decisions and facts from sessions and meetings as reviewed cards that keep their source, and serves them to agents over MCP.

- Atlas card: https://inite.ai/en/atlas/cairn.ink
- Site: https://cairn.ink
- For: People and teams who want their AI tools to remember decisions along with their sources
- Categories: meetings
- Use 0/100 · alive 79/100

## Used for

- recall a saved decision in a later project
- check which source a remembered fact came from
- let agents answer team questions with cited cards

## Price

- from 7.5 USD/month, free plan (read 2026-10-26 on https://cairn.ink/pricing)

## For developers

- MCP server: ink.cairn/memory (namespace; auth on 2026-10-26)
- Read 2026-10-26

## MCP server, measured daily

Server: https://cairn.ink/api/mcp, checked every day since 2026-10-26 (2 checks).

- Answered: measuring, 2 daily checks so far
- Median first answer: 121 ms
- Sign-in: OAuth (the client signs the user in)
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Training on your data: yes (https://cairn.ink/privacy)
- Read 2026-10-26

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