Kleio

The Engineering Decision Trail

Find where the plan changed, the agent drifted, or production broke.

Link specs, issues, PRs, agent sessions, and incidents to understand what changed, why it changed, and what to do next.

Try nowReal workflows

Review PRs faster

See the original intent, key decisions, and what changed during implementation.

Resume work faster

Understand what agents tried, what changed, and what still needs doing.

Fix incidents faster

Trace breakages back to recent work, stale assumptions, and decision drift.

Start where it hurts

A distressed robot surrounded by incidents, PRs, decisions, and agent sessions

What broke this time?

Trace incidents back through issues, PRs, decisions, and AI sessions.

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Where did this project go sideways?

Reconstruct scope changes, missed assumptions, and unfinished follow-up work.

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Why does this bug keep coming back?

Surface recurring patterns across incidents, tickets, and code changes.

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Can this PR be trusted?

Validate changes against prior decisions, known incidents, and project context.

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What did the last agent do?

Resume work with captured attempts, blockers, decisions, and next steps. Run kleio resume to pick up where you left off.

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What did we forget?

Turn retros, incidents, and loose context into tracked backlog work.

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Sound familiar?

Every team has a system for tracking decisions. None of them keep up.

“Tickets contain the why”

…until implementation diverges from the plan.

“Commit messages contain the why”

…until decisions happen outside of git.

“Code comments contain the why”

…until they become outdated or incomplete.

“Documentation contain the why”

…until nobody updates it under pressure.

“PR discussions contain the why”

…until they get buried and become untraceable.

“AI summaries contain the why”

…until they summarize what happened, not why.

Systems don't fail because they're wrong. They fail because they don't scale with speed and volume.

What Kleio captures

Not a documentation tool, not a better commit system, not a knowledge base. Kleio captures decisions where they actually happen.

Decisions

Capture the reasoning behind choices—from architecture calls to micro-decisions made mid-session. Future rationale, preserved.

Checkpoints

Mark implementation slices with validation status, deferrals, and context that survives squash merges and rebases.

Work items

Follow-up work captured in the moment, auto-synthesized into a prioritized backlog with semantic deduplication.

Slots into your editor, your GitHub, your CLI. No new tab to babysit, no process to enforce.

kleio capture stream
Decisionvia MCP · 2 min ago

Use event sourcing for audit trail

Chose event sourcing over CDC. Simpler replay, better provenance fidelity.

Checkpointvia CLI · 5 min ago

Auth middleware complete

JWT validation + role-based guards. 4 files changed, tests passing.

Work Itemauto-captured · 8 min ago

Add rate limiting to /api/captures

Flagged during PR review. Linked to KL-42.

How it works

Three steps. No workflow changes required.

Step 1

Capture

Decisions, checkpoints, and work items flow in automatically from your editor (MCP), CLI, and GitHub.

Step 2

Connect

Signals are linked, deduplicated, and synthesized into a structured backlog with provenance trails.

Step 3

Query

Ask "why does this look like this?" and get answers grounded in your team's actual decision history.

Kleio Workflow

Git
MCP
CLI
Kleiocaptures · decisions · checkpoints
Triagebacklog synthesis
Searchcontext retrieval

Built for teams who hate losing context

Automatic capture

Decisions, checkpoints, and context flow in from Git, agents, and your CLI.

Zero workflow changes

Works alongside Cursor, Claude, and your existing Git flow.

Structured backlog

Search, filter, and triage everything your team and agents produce.

Try now

See it in action

An agent plans a migration. Kleio captures every signal along the way.

Agent Plan

Task: Migrate auth from Firebase to Clerk

  • 1.Scaffold Clerk provider and session hooks
  • 2.Replace Firebase login/signup flows
  • 3.Update API middleware for Clerk JWT validation

Press Build to run the capture demo.

Your AI agents already make decisions. Kleio makes sure they're remembered. Try it free →

Built for your role

Kleio works differently depending on your role. Find your path.

Engineers

Stop re-explaining decisions. Let Kleio remember so you can build.

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Engineering Managers

Know what your team decided and why\u2014without scheduling another meeting.

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Product

Stay informed on engineering decisions without micromanaging the process.

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Engineering Leadership

Architecture governance that works because it\u2019s invisible.

Learn more →

Pricing

Start free, upgrade when your team needs more captures, members, or retention.

Free

€0
  • 500 captures / mo
  • 3 members
  • 5 repos
  • 90-day retention
Sign up free
Most popular

Pro

€19/ mo
  • 10,000 captures / mo
  • 10 members
  • 50 repos
  • 1-year retention
  • Bring your own key
Sign up for Pro

Team

€49/ mo
  • Unlimited captures
  • Unlimited members
  • Unlimited repos
  • 3-year retention
  • Bring your own key
Sign up for Team

Ready to stop losing the “why”?

Connect your workspace and start capturing decisions today.

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FAQ

What is Kleio?
Kleio is an engineering memory and provenance platform for AI-assisted development. It captures decisions, checkpoints, and work signals across humans, agents, and code so you can understand not just what changed, but why it changed.
How does Kleio fit into my existing workflow?
Kleio is designed to slot into how you already work. It integrates with tools like Cursor, Claude, and your Git workflow through a CLI, MCP server, and GitHub App. You can start it locally, use provided templates for rules, and capture context directly from your normal development flow without changing how you build.
Why not just use markdown files in my repo?
Markdown files are useful, but they rely on people remembering to write, organize, and maintain them. In fast-moving projects, context ends up fragmented across commits, chats, PRs, terminals, and AI sessions. Kleio helps capture that context as it happens, structure it, and connect it back to the actual work.
Who is Kleio for?
Kleio is built for engineers and teams working in high-velocity environments, especially where AI tools are part of the development workflow. It is most useful when decisions are happening quickly and context is otherwise easy to lose across sessions, contributors, and systems.
What does Kleio capture?
Kleio captures engineering context such as decisions, checkpoints, todos, and related signals tied to your codebase and workflow. Over time, this builds a structured history of how work evolved and what led to the current state.
Do I need the CLI, or can I just use the web app?
The web app lets you review and work with captured context, but the CLI and integrations are what enable automatic capture. They run alongside your existing tools and let Kleio observe and structure work directly from your development flow.
Is my data secure?
Kleio is built with security fundamentals in mind, including authenticated access and tenant-aware data separation. As the product matures, security and deployment options will expand for teams with stricter requirements.
How does billing work?
Kleio has three plans—Free, Pro (€19/mo), and Team (€49/mo)—with discounted yearly billing. Checkout and subscription management are handled through Stripe inside the app. You can upgrade, downgrade, or switch billing intervals at any time from your workspace settings.
Where do I get support?
Support is hands-on. If you are onboarding with Kleio, you can reach out through the product contact channels or links provided on the site. For technical ecosystem questions, GitHub may also be used where applicable.
Why is it called Kleio?
Kleio is named after Clio (also spelled Kleio), the muse of history in ancient Greek mythology. The name reflects the product’s purpose: preserving the context behind engineering work so important decisions are not lost.