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How-does knowledge, not how-to

Your documentation says one thing. Your team does another.

Cairn maps how your business, its teams, and its people actually work — asked directly of the people doing it. Keep your knowledgebase; connect it over MCP and Cairn shows you every place reality has moved on without it.

  • Not a documentation tool
  • Keeps your existing knowledgebase
  • Answered in Slack or email, a minute at a time

The gap

You can have complete documentation and still not know how the work runs

Documentation is how-to knowledge — what someone should do. None of these sentences get answered by a better wiki, because what is missing is how-does knowledge: what actually happens, who really owns it, and as of when.

  • “Ask Dana, she's the only one who knows.”

    One person is the single point of failure for a process the company depends on.

  • “The wiki says that, but that's not how we do it.”

    Documentation exists and nobody trusts it, so everybody asks a human instead.

  • “We've been paying for that for two years?”

    Tools renew because nobody can say which processes would break without them.

  • “Their last day is Friday.”

    Years of context is about to walk out, and the handover doc was started yesterday.

Where the answer lives

The real process is in the conversation, not the document

Every company already runs on a shared, unwritten understanding of how things actually get done — who to ask, which step to skip, which tool everyone quietly abandoned. It is the most valuable operational knowledge a business has, and the only copy of it is in people's heads.

Cairn asks for it directly, in small pieces, from the people who hold it.

How it works

Three moves, and none of them is “write documentation”

Cairn is a loop, not a project. It runs continuously and quiets down as the picture fills in.

  1. 01

    Cairn asks the people doing the work

    Short, specific questions land in Slack or email — one or two at a time, never a form to fill out.

    Not "please document your process". Questions like: who signs off on this, which tool did you actually use last time, what did you do when it broke. The bank is tuned to each team's function and each person's tenure, and the cadence ramps down as coverage grows.

  2. 02

    Answers become a map of how work runs

    Plain replies turn into procedures, steps, owners, tools, and handoffs — each one traceable to who said it and when.

    Cairn proposes its reading and the person who said it confirms or corrects it before anything is recorded. The result is not a document. It is a structured account of how the company, each team, and each contributor operates, which you can query.

  3. 03

    Your agent checks your docs against it

    Cairn runs an MCP server. Point the AI agent you already use at it, alongside your knowledgebase's own MCP, and ask where the two disagree.

    Your runbook says approvals go through the tool you pay for. Ask your agent whether that still holds, and Cairn answers from what three people said last month: they stopped using it because it is too slow, and now work in a shared doc. Nothing in your knowledgebase can tell you that. Cairn can, and names who said so.

Where it happens

Nobody has to open a new tool

Adoption is the whole game. If answering feels like homework, people stop — so Cairn asks where your team already is, and a reply is the entire interaction.

  • Slack

    At launch

    A direct message with one question. People reply in the thread, in their own words, and Cairn asks a follow-up if something is ambiguous.

  • Email

    At launch

    For teams that do not live in Slack. Replying to the email is the answer — there is no link to click and no form to find.

  • Web

    At launch

    A conversation page reached by a link in the prompt — nothing new to install. Answers can be typed or spoken, with transcription to review before submitting.

What Cairn is

Four things documentation structurally cannot tell you

How-does, not how-to

This is not documentation, and it is not trying to be

A how-to describes what someone should do. Cairn records how the work does get done — the actual owner, the actual tool, the actual workaround — and keeps a date against it.

  • Nobody is asked to write, review, or maintain a page
  • The output is structured and queryable, not prose you have to read
  • Every statement carries who said it and when they last confirmed it

Alongside your knowledgebase

Keep the tools you already use

Cairn is not another place to put documentation, and it does not integrate with the place you already have. It exposes an MCP server — your agent queries it alongside your existing tools and does the comparing.

  • No integration to configure and nothing for us to read on your side
  • Flags pages that describe a process your team has quietly stopped following
  • Points at the specific statement — and person — that contradicts the page

Provenance and freshness

Every fact names its source and its age

A wiki page tells you what one person believed on the day they wrote it. Cairn tells you who said it, when, how many people agree, and whether anyone has confirmed it recently.

  • Immutable statement store — the record of what each person said never changes
  • Freshness scoring per fact, so current practice is distinguishable from guesswork
  • Contradictions are surfaced and settled by the people who disagreed, not overwritten

Agent-ready

Built to be queried by software

Your AI tools are only as useful as what they know about how your company really operates. Pointing them at stale documentation is how they end up confidently wrong.

  • REST API and MCP server, with personal and organization tokens
  • Answers carry provenance, freshness, and confidence — not a bare paragraph
  • Respects the same visibility permissions a person would get, per group and role

Cairn MCP

Give your AI agent something true to read

Cairn runs an MCP server. Point the agent you already use — Claude, Cursor, your own tooling — at it, alongside the MCP your documentation tool already offers, and the agent can ask both where they disagree. No integration for us to build, and nothing of yours for us to read.

  • Check documentation that has gone quietly wrong

    Ask your agent whether a runbook still holds. Cairn answers from what the team said in the last few weeks — the half the page cannot know.

  • Find tools you pay for and nobody uses

    If a tool has not appeared in anyone's answer for months, that is a renewal conversation. Cairn can tell you when it was last genuinely used, and by whom.

  • Catch the workaround before it becomes the process

    When several people describe doing something a faster way than the documented one, that shows up as a conflict with names attached — not as silence.

  • Answer with its working, so an agent can weigh it

    Responses carry provenance, freshness, and confidence. An agent gets to know how much to trust each fact instead of treating a stale page as gospel.

Scoped tokens, per-user and per-organization. An agent resolves against the same visibility its token holder has, so connecting one cannot widen what anybody can see.

A finding you cannot get any other way

The runbook names a tool nobody has opened since August

It is documented, it is paid for, and it is wrong. Three people told Cairn they stopped using it because it was too slow, and now do the same job in a shared doc in half the time. The page will keep saying otherwise until somebody notices.

Cairn surfaces the contradiction, the people behind it, and the date it started.

Who it's for

You probably recognise one of these

Cairn is useful the moment more than a handful of people depend on knowledge that only exists in conversation.

  • Scaling teams

    You grew past the point where everyone knows how everything works, and the people who do know are the bottleneck.

  • Operations leaders

    You need to see the real process — not the documented one — before you can improve or automate any part of it.

  • Finance and procurement

    You want to know which tools are genuinely load-bearing and which are renewing out of habit.

  • Teams adopting AI

    Your agents are confidently wrong because the only thing they can read is documentation nobody has updated in a year.

  • Companies facing turnover

    Someone critical is leaving in six weeks and most of what they know has never left their head.

  • Regulated and audited teams

    You need to show not just what the process is, but who confirmed it and when they last did.

Side by side

Two different kinds of knowledge, not two competing tools

The left column is not a rival product — it is what you can know when how-to documentation is the only record you have.

What you can know from how-to documentation alone, compared with documentation plus Cairn, across eight dimensions
 Documentation aloneDocumentation + Cairn
What it recordsWhat someone decided the process should beWhat the process actually is, according to the people running it
Who does the workSomebody is asked to write it up in their spare timeCairn asks one short question at a time, in Slack or email
Knowing it is currentA last-edited date on the whole page, and hopeA freshness score per fact, with its own re-verification prompt
Who said itOne author, at one moment, for the entire documentProvenance per fact, traceable to the statement it came from
Conflicting accountsThe last editor wins and the disagreement disappearsSurfaced as a conflict and reconciled by the people involved
WorkaroundsInvisible — the page still names the official toolRecorded, because that is what people answer when asked
Tool spendAn expense line nobody can tie to a processA registry of who uses what for which process, attested quarterly
AI and agentsScrape whatever the page says, stale or notQuery it over MCP — permission-aware, with freshness and provenance

Trust

You are asking people to be candid about how work really happens

That only works if they trust what happens to their answers. The guarantees below are architectural, not policy.

Our SOC 2 and GDPR programs are in progress. We will say so plainly here until they are complete — and never imply otherwise.

Read the security overview
  • People own what they said

    Nothing is recorded until the person who said it confirms it. Every contributor can see and correct everything attributed to them.

  • Permissions apply to agents too

    API and MCP queries resolve against the same group and role visibility a person would get. A token cannot read what its holder could not.

  • Telemetry without the content

    Operational monitoring uses a typed, PII-free event schema. Your people's answers are not in our logs or dashboards.

  • Export and erasure, on request

    GDPR data export and erasure for both users and organizations. Erasure anonymizes in place, so process history stays intact.

Questions

The things people ask first

What is Cairn?

Cairn maps how your business, its teams, and individual contributors actually work day to day. It asks employees short questions in Slack, email, or the web, turns their answers into structured facts with provenance and a freshness score, and gives you a queryable account of how work really gets done — including the workarounds that never make it into documentation.

Is Cairn a documentation tool?

No, and it is not trying to be. Documentation captures how-to knowledge: what someone should do. Cairn captures how-does knowledge: what actually happens, who really owns it, which tool is genuinely being used, and as of when. Nobody is asked to write or maintain a page.

Do we have to replace our wiki, Notion, or Confluence?

No. Keep them. Cairn is designed to sit alongside the knowledgebase you already pay for, not to become a second one — and it does not touch it. Cairn has no integrations into your documentation and does not read it.

How do we cross-reference our documentation against Cairn?

Through your own AI agent, not through an integration we build. Cairn runs an MCP server. Most documentation tools now offer one too, so you point the agent you already use at both and ask it where they disagree. A typical finding: a runbook names a tool you pay for, but several people told Cairn they stopped using it because it is too slow and now work in a shared document instead. The agent surfaces the contradiction; Cairn supplies the half nobody wrote down, with names and dates attached.

How much time does this take from my employees?

The design target is a minute or two at a time. Questions arrive one or two at a time on a cadence that ramps down as coverage improves, and respect quiet hours, snoozes, and a cap on how often any one person is asked. People answer in their own words, in the tool they already have open.

Where does Cairn ask its questions?

Slack and email, with a web conversation page reached by a link in the prompt. Answers can be typed or spoken, and voice is transcribed for review before it is submitted.

Can employees see and correct what Cairn recorded about them?

Yes, and this is deliberate. Cairn proposes its reading of what someone said and that person confirms or corrects it before anything is recorded. Every contributor has a page showing everything attributed to them, which they can amend at any time.

Will people admit to using a workaround?

That depends entirely on what they believe happens next, which is why Cairn records how work is done rather than how hard anyone works. There are no productivity scores and no per-person output metrics, contributors control their own statements, and process concerns route to admins as process problems rather than as individual performance.

Can our AI agents use what Cairn knows?

That is a core use case. Cairn exposes a permission-aware REST API and an MCP server with personal and organization tokens. Answers come back with provenance, freshness, and confidence attached, and respect the same visibility rules a person in that role would get.

Who can see what?

Knowledge is open within the organization by default, and admins can restrict visibility by group, team, or role. Permissions apply identically to people and to API and MCP queries, so an agent cannot read something its token holder could not.

Is Cairn SOC 2 certified?

Not yet. Our SOC 2 and GDPR programs are in progress and we will say so plainly until they are complete. Today Cairn encrypts data in transit and at rest, encrypts integration tokens at the application layer, supports GDPR data export and erasure, and keeps a customer-facing audit log.

When can we use Cairn, and what does it cost?

Cairn is pre-launch and onboarding teams in cohorts. Pricing is not published while we are onboarding our first cohorts, because we are still learning which shapes of team get the most value. Joining the waitlist puts you in line for an onboarding slot, and waitlist members get pricing and early-cohort terms before anyone else.

Something not covered? Ask us directly and a human will answer.

Join the waitlist

Get your team an onboarding slot

Cairn is onboarding its first teams in cohorts so each one gets real attention. Tell us a little about your company and we will be in touch to arrange it.

  • Pricing and early-cohort terms before anyone else
  • White-glove setup — we do the configuration with you
  • Direct line to the team building it, and real influence on what ships

Optional — but it is the single most useful thing you can tell us.

No spam, no newsletter. We email you about your onboarding slot and nothing else.