Hyrax

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Synter “Hyrax now reviews every repository we ship from.”
Joel Horwitz, CEO, Synter
Hyrax
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Hyrax
FOUR WORKFLOWS

Hyrax makes your code better.

Four workflows run it: Scan, Fix, Improve, Govern.
SCAN
Every issue in the codebase, found
Six agent groups read every file: security, code quality, reliability, API and data, ops, UX. Findings arrive with severity, source, and effort.
FIX
The fix is already written
Fixes arrive as pull requests with 13 verification steps already passed. If anything fails, nothing ships. You review, you merge.
IMPROVE
The code gets better every week
Refactors, dependency advisories, and quality suggestions queue up, each one ready to apply as a pull request.
GOVERN
Nothing bad reaches main
Every PR reviewed, comments post in about 90 seconds. Must-fix findings block the merge until they're resolved.
Hyrax| A Acme acme / next.js / Scan

SCAN. SIX AGENT GROUPS REPORT

47Live findings
3Critical
142Fixed via PR
98%Coverage
CRITICALHardcoded secret in environment loadersrc/lib/env.ts:42
HIGHN+1 query in user resolver loopsrc/api/users/resolver.ts:118
HIGHMissing rate limit on public endpointsrc/api/auth/login.ts:24
44 more across six domains. Each verified before it reaches you.

FIX. PULL REQUEST, PRE-VERIFIED

[Hyrax] Remove hardcoded secret from environment loader · PR #214
- const SECRET = process.env.JWT_SECRET || "dev-secret-123"
+ const SECRET = requireEnv("JWT_SECRET")
Test baseline recorded Tests 214/214 Build Lint Reviewer agent
Fix passed every check. You review, you merge, you can revert.

IMPROVE. QUEUED AND READY TO APPLY

SUGGESTIONExtract duplicated retry logic into one helpersrc/lib/retry.ts
ADVISORYlodash 4.17.19 carries a known CVE, bump to 4.17.21package.json
SUGGESTIONAdd index on hot query path in orders lookupsrc/db/orders.ts:64
SUGGESTIONCollapse three near-identical validation schemassrc/api/schemas/
Each one applies as a pull request when you say so. The codebase compounds instead of rotting.

GOVERN. EVERY PUSH REVIEWED

[Hyrax] review · PR #241 · 2 min ago
✗ Must-fix: webhook endpoint accepts unsigned payloads. Merge blocked until resolved.
[Hyrax] review · PR #240 · 1 hr ago
✓ Clean. No must-fix issues. Green check posted, merge unblocked.
[Hyrax] review · PR #238 · 3 hr ago
✓ Clean after one round. Retry loop bound accepted.
Next: real findings on a real repo. No waiting. See the 90-second demo ↗
Hyrax | A Acme First scan free
WORKFLOWS
Scan
Fix 0
Improve 0
Govern
REPOSITORIES
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WORKSPACE
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Activity
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ADemo Userdemo@acme.example
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Two ways to start

Sample repos are already scanned. Results show the moment you pick one: real findings from a real scan, nothing simulated.
vercel/next.jsTypeScript · 128k stars · 1,284 filesPRE-SCANNEDView results →
fastapi/fastapiPython · 76k stars · 947 filesPRE-SCANNEDView results →
expressjs/expressJavaScript · 65k stars · 312 filesPRE-SCANNEDView results →
OR
Your code gets the same scan, and fixes arrive as pull requests.
GENERATED

HYRAX.md

next.js@main · written by Hyrax during discovery · re-synced on every scan
Generated by Hyrax for AI agent context. Discovery read every file and wrote the map: languages, architecture, conventions. Your coding agents load it automatically.
Definition of Done
Before a change is complete, the commands below must pass. Sections marked Unknown need a human answer in Settings.
Pre-push commands
PURPOSECOMMANDSOURCE
unitnpm run testpackage.json/scripts/test
buildnpm run buildpackage.json/scripts/build
lintnpm run lintpackage.json/scripts/lint
Contribution conventions
Order is fast to slow: run cheap checks before expensive ones. Fixes use the repo's own patterns, so the code reads like the team wrote it.
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