The code reviewer that
reads the whole story.
KIO reviews every pull request with the code around it, proves each fix in a sandbox, and never changes your repository without you.
// PLATFORM
Everything a review needs.
Nothing it doesn't.
One platform for engineering teams and open-source contributors: repository intelligence, context-aware review, verified fixes, docs and weekly reports - all behind one approval gate.
┌───────┐ │ ◉ ◎ ○ │ │ ◎ ◉ ◎ │ │ ○ ◎ ◉ │ └───────┘
Context Engine
Every changed file is reviewed with its tests, imports, dependents, models and routes - chosen by a deterministic graph, budgeted to ~12K tokens.
│ ▄ │▁ ▄ █ ▄ │█ █ █ █ └────────
Functional Issue Detection
Findings carry severity, file, line, what / where / why / impact and the files used as evidence. Thin evidence is labelled, never asserted.
┌─┐ ┌─┐
│F├──►│V│
└─┘ └┬┘
┌▼┐
│✓│
└─┘Verified Fixes
Patch validation, static checks, baseline tests, regression check and AI re-review before a deterministic verdict: PASS, PARTIAL, FAIL or NEEDS MANUAL.
╔═══╗ ║ ◈ ║ ┌╨───╨┐ │░░░░░│ └─────┘
Human Approval Gate
Reviews stay drafts until you approve. Patches are diffs you apply. No code path commits, pushes or opens a pull request.
.--.
/ \
| ( ) |
\ /
'--'Open-Source Explorer
Paste a public repo URL: mind map, difficulty-tagged issues and step-by-step contribution guidance. No account needed.
POST /api/pr
────────►
◄────────
{ findings }API First
Every capability is a documented endpoint with a consistent error envelope. OpenAPI generated from the code, at /docs.
// HOW IT WORKS
Three steps from
repo to verified fix.
// ENGINEERING BUDGETS
Numbers we design
against, not after.
// CONNECTOR ROADMAP
One approval gate.
Every tool.
GitHub is live. Every later connector sits behind the same interface and the same explicit-approval rule - a connector never gains write access on its own.
╔═╗ ║<║ ╚═╝
GitHub
repos, PRs, issues
live
┌─┐ │#│ └─┘
Slack
reports, notifications
planned
▲ ─
Vercel
deploy status
planned
[≡] [≡]
Jira
tickets as context
planned
◈◈ ◈◈
Linear
tickets as context
planned
{N}
---Notion
publish docs
planned
≋≋ ≋≋
Sentry
errors as evidence
planned
[█] [█]
GitLab
explorer
planned
Need another connector?
Each connector implements connect(), sync() and an optional notify(). It enriches existing features - tickets as review context, deploy status in reports - instead of adding parallel ones.
See the API// SECURITY BY DESIGN
Built like it will be audited.
Security boundaries are invariants, not settings. Where a feature and a security rule conflict, the security rule wins.
╔═══╗ ║ ◈ ║ ╚═══╝
Tokens encrypted at rest
GitHub tokens are Fernet-encrypted, never logged, never sent to a model, never reach the browser
┌───┐ │ ✓ │ └───┘
Clerk-verified sessions
Every authenticated request carries an RS256 JWT verified against the tenant JWKS
╭───╮ │ ▣ │ ╰───╯
Sandboxed verification
Only the repository's own test command runs, in an ephemeral workspace with an empty environment
[===] [===]
Human approval gate
No code path commits, pushes or opens a PR - the capability does not exist
▪ ▪ ▪ ▪ ▪ ▪
Audit logs
Every approval, verification and integration change is recorded with actor and timestamp
◉─◉─◉ │ │ │
Deterministic verdicts
PASS / FAIL decided by rules over evidence - never by a model's confidence score
Engineering guarantees
Enforced in code and covered by tests - not claims on a slide
🔒
AI output is untrusted by default
Every model response is validated against a schema, hallucinated file paths are dropped before you see them, and every AI-generated artifact stays labelled until a human approves it.
// FOR DEVELOPERS
An API you can read
in one sitting.
Routers are I/O only, services hold the logic, and every capability is a plain HTTP endpoint you can call from anything.
OpenAPI from the code
Every endpoint documented at /docs. Shapes are stable; breaking changes go to /api/v2.
One error envelope
{ error: { code, message, details } } with proper status codes. 503s carry Retry-After.
Async by contract
Anything that may exceed 10s returns 202 + job id. Poll job status; never block.
Deterministic verdicts
Same evidence, same verdict. No model confidence ever decides PASS or FAIL.
1// generate a review draft for a PR2const res = await fetch(`${KIO}/api/pr/review`, {3 method: 'POST',4 headers: { Authorization: `Bearer ${clerkToken}` },5 body: JSON.stringify({ repo_id, pr_number: 412 })6})7const { review_id, status } = await res.json()8// status: 'draft' - nothing is posted until you approve// GET STARTED
Review with context. Ship with proof.
Free to run, built on free tiers, and never changes your repository without you.
Start freeNo credit card. No trial. $0.