What platforms does Cairn run on?

Cairn runs on the web, the command line, and API. It can also be self-hosted.

Is Cairn still maintained?

Unverified. Cairn has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

Is Cairn open source?

Yes — Cairn is open source under the Open Source license.

Does Cairn have an API or integrations?

Yes — Cairn exposes an MCP server.

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Cairn

Name: Cairn
Author: bborota

github.comInfrastructure

Cairn is an open-source MCP server that provides coding agents with a shared knowledge base of concise lessons, must-dos, and must-nots organized by technology stack. Agents read relevant guidance before tasks and contribute new lessons afterward.

Open SourceWebSelf-hostedCLIAPI

Visit github.com

Overview

6 features

Cairn sits in PulseGate's Memory & skills category. It focuses on preventing coding agents from repeating known mistakes by sharing concise lessons across tasks and stacks. Cairn is an open-source project aimed at developers using coding agents. The project is open source (Open Source). It runs on the web, the command line, and API, and it can be self-hosted.

bborota builds and maintains Cairn. Among its 6 catalogued features are shared knowledge base, stack-specific lessons, and pre-task reading. It exposes integrations via an MCP server.

Summary written by a language model from the project’s public pages.

Shared knowledge base
Stack-specific lessons
Pre-task reading
Post-task contributions
MCP server
One-sentence guidance

Built with & integrations

Connectors

MCP

Runs on

BrowserSelf-hostedCLIAPI-only

Trust & compliance

License

Open Source

Verified signals

HTTPSOpen SourceFree tier

Indexing history

What PulseGate has recorded for this listing

Indexed7 Sep · 14:54 UTC
dev.mightys/cairn verified via MCP Registry (official)
Source: MCP Registry (official) · Open

Frequently asked questions about Cairn

What is Cairn?: Cairn focuses on preventing coding agents from repeating known mistakes by sharing concise lessons across tasks and stacks. It is catalogued under Memory & skills on PulseGate.
Who is Cairn for?: Cairn is an open-source project built for developers using coding agents.
Is Cairn free?: Yes — Cairn is open source under the Open Source license and free to use.
What platforms does Cairn run on?: Cairn runs on the web, the command line, and API. It can also be self-hosted.
Is Cairn still maintained?: Unverified. Cairn has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
Who develops Cairn?: Cairn is developed by bborota.
Is Cairn open source?: Yes — Cairn is open source under the Open Source license.
Does Cairn have an API or integrations?: Yes — Cairn exposes an MCP server.

At a glance

Pricing: Open Source
Platforms: Web
Languages: English
License: Open Source
First seen: 7 Sept 2026
Built for: developers using coding agents
Model: Open source
Solves: Preventing coding agents from repeating known mistakes by sharing concise lessons across tasks and stacks.

Developer

bborota

Index record

Indexed: 7 Sep 2026
Lifecycle: Alive
First seen: Sep 2026
Last seen: 7 Sep 2026

Identity audit (13)

Slug: dev-mightys-cairn-github-com
Lifecycle last checked: 8 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 7 Sept 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Written by a language model from the project's public pages.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 7 Sept 2026
Canonical URL: https://github.com/bborota/cairn-mcp

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