Jsonl-tools

Show HN: Jsonl-tools – secure paste bin for agent run traces

Developer Tools

jsonl-tools.dev · Added June 18, 2026 · Last analysed June 18, 2026 · via Hacker News · 67% unique tagline

Own this Launch?

StackScope is a free public catalogue of indie launches. We find launches on Product Hunt, Hacker News and similar feeds, then crawl each site to detect its tech stack and score it for launch readiness: DNS, security headers, SEO basics. This page is what we saw on 18 June 2026; the live site may have changed since.

Jsonl-tools is missing several launch fundamentals. Worth fixing first: missing several security headers, incomplete legal pages, and no email security records.

Launched on Hacker News on June 18, 2026. The site is hosted on Cloudflare in the United States, with a domain registered 4 months before launch. Our crawler found 2 technologies on this site, covering CDN and DNS providers. The stack includes Cloudflare and Cloudflare DNS.

If you own this site, refresh the snapshot and see the full fix list any time →

3.3

StackScope Score

Poor

41/100 Launch Readiness

Partially ready

0/6 Security Headers

Poor

0/3 Legal

Missing

2/2 Web Standards

Complete

100/100 Performance

Fast

Vibe Score 0 · No AI signals

Informational pattern-match signal. Does not feed the StackScope Score. See which fingerprints fired →

Tech Stack (2)

Infrastructure

CDN	Cloudflare
DNS	Cloudflare DNS

Infrastructure

Network

CLOUDFLARENET - Cloudflare, Inc., US

AS13335 · US

DNS

Cloudflare DNS

Authoritative nameserver

DNSSEC

Not enabled

DNS responses unsigned. Cache-poisoning vulnerable.

SSL Certificate

Google Trust Services

Valid 29 May 2026 to 27 Aug 2026

Certificate as captured in this snapshot, not a live check.

Domain Age

4 months

Registered Jan 2026 · CloudFlare, Inc.

Email Security

✗

SPF Not published. Your domain can be spoofed in phishing emails.

DKIM Not detected at common selectors. Your provider may use a custom one.

✗

DMARC Not published. Receivers fall back to permissive defaults.

MTA-STS Not deployed. Mail to your domain can be downgraded to plaintext en route.

TLS-RPT Not configured. You won't hear about silent SMTP TLS handshake failures.

Storage (1)

Session storage (1)

Key	Size	Detected as
anon-session-home	36 B	-

Readiness Breakdown How?

⚠

Custom title and meta description (partial) missing meta description

✓ Responsive viewport meta tag

✓ Favicon present

- Open Graph tags (title, image, description)

- Canonical URL declared

- Twitter card meta tags

- Semantic HTML (nav, main, article)

Performance How?

131 ms Server response

86% Faster than peers

368 ms Largest contentful paint

0.00 Cumulative layout shift

133 KB Page weight

1 Console errors

1 Failed requests

Broken first-party requests (1), worth fixing

401 /api/auth/me

Indicative grade from a single automated render, not a substitute for Lighthouse or field data, and not part of the StackScope score.

AI Stance

No AI stance declared

✗ llms.txt published

✓ No AI bots blocked in robots.txt

Content-Signal

? No directive declared

Link headers

? None advertised

Well-Known Files

✓ robots.txt

✓ sitemap.xml (5 URLs)

✗ security.txt

✗ llms.txt

✗ ads.txt

✗ humans.txt

Legal

? Privacy Policy not detected

? Terms of Service not detected

Detection works best on English language sites.

Security Headers (0/6)

✗

Referrer-Policy

✗

X-Frame-Options

✗

Permissions-Policy experimental (check browser support)

✗

X-Content-Type-Options

✗

Content-Security-Policy

✗

Strict-Transport-Security

–

X-XSS-Protection deprecated (use Content-Security-Policy)

Build

1 JS files

1 CSS files

0 Third-party domains

Brand Colours

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