# Cairn

**Canonical:** https://apis.io/providers/cairn-ink/  
**Website:** https://cairn.ink/  
**APIs profiled:** 1

Cairn provides a shared memory map for people and AI, enabling every AI you use to stay up to speed. It keeps memories with receipts so agents can find decision origins and continue from there. The platform offers free and pro plans, with features like private collections, AI allowances, and Moss Care passes.

## Kin Score — 17.3 / 100 (emerging)

Scored 2026-11-06 under rubric 0.27.0.

| Facet | Score |
|---|---|
| Discoverability | 66.1 |
| Contract Quality | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 0.0 |
| Access Clarity | 53.9 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 14.5 (matched via fallback).

## Agent readiness — 18.7 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | served |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | served |
| Protected Resource Metadata | verified |
| Dynamic Client Registration | yes |
| Agentic Commerce | no |
| Pagination Ratio | na |
| Operation Distinctiveness | na |
| MCP Tool Quality | na |

## Access

Freemium — onboarding: unknown, pricing: freemium, trial: no (confidence: low).

## APIs (1)

- **Cairn Memory API** — Shared memory map API for people and AI

## Security (1)

- **Cairn Ink Domain Security** — TLSv1.3 · DMARC

## Plans (1)

- **Cairn Ink Plans Pricing**

## Tags

Company, Artificial Intelligence, Memory, Platform, Collaboration

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/cairn-ink/). Scores are computed from the provider's own public artifacts under a published rubric.