
SpamCrackers — Free SPF, DKIM & DMARC Checker & Email Signal Standard
Grade a domain's email protection: check SPF, DKIM, DMARC, and MX records in your browser.
@domainfyrbrand · X
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Grade a domain's email protection: check SPF, DKIM, DMARC, and MX records in your browser.
@domainfyrbrand · X

Analyze Hacker News profiles with your own LLM API key, fully client-side.
Topfi · HN
Like everyone on HN, I love nothing more than to (re)read my own comments. Getting my intuition that I am among the smartest, most humble, highest quality commenters on here confirmed by an LLM so capable that the US government had to temporarily export restrict it [0] seemed only natural. Having had my perfection confirmed, I decided to share this joy with you as I had a few percent usage left before a reset. I took a few prompts, then did a review of the output which resulted in Selbstbild, a BYOK (Anthropic / OpenRouter) web app that gives you a summary and assessment of your public comments by one of our machine Gods, including Fable 5 (provided your can afford that luxury at API pricing). In all seriousness, I have, for a long time, used my own comments on social media (including HN) as part of a personal needle-in-haystack test, simply because I do know my somewhat peculiar style and what I tend to write, but also because I can sometimes write in a slightly confusing manner, ma

Analyse stocks, crypto, ETFs, currencies, bonds and commodities with DCF valuation, 20 years of fundamentals, a screener and portfolio risk. Start free.
@Miguel_celsmar · X

Scan your help center for conflicts, duplicates, and outdated content.
willt2026 · Product Hunt
CheckMyHelpCenter Find conflicts hiding in your Help Center before AI does

Automate load testing for modern teams without complex setup or manual scripting.
@GorodkovVi85373 · X
- load testing made easy even without enginnering team. Faster, cheaper, distributional

Search lab reports to verify product purity and composition before purchase.
@Titratelab · X
Love the direction. Partner with us at Built by security & software engineers. We scrape Whatsapp, TG, GLP1forums, Meso, Finnrick, Janoshik, Freedom, peptidechat, and even Discord- where we have over 1 billion messaged logged and analyzed. 70,000 COAs stored in our database from thousands of vendors. Sentimental analysis driven trust signals on all communities. This isn't vibe-coded one-shot scraping; we've developed our own inhouse anti-automation bypasses for nearly every major platform.

WillItInbox email deliverability tester: send a real message, get 70+ checks, validate recipients with 12 layers, and monitor domains and DMARC.
@Willitinbox · X

Find and book beauty specialists by their Icelook handle, or create your own professional profile with services, portfolio, and a direct booking link your clients book from.
@icelookapp · X

Detect if your LLM API has been model-swapped or degraded with 6 deterministic probes.
cocodot LLM 降智检测 — 免费的 LLM API「降智/偷换模型」在线检测:填入任意 OpenAI 兼容端点的 base_url 和临时 API Key,跑 6 项探针(模型声明、动态题、能力完整性等)生成分项报告;Key 仅用于当次检测、不落库不留存,检测方法[开源](https://github.com/cocodot2026/cocodot-llmprobe)

Scan your skin with AI to detect melanoma, get mole risk scores, and track changes.
new_user___1862026e2883cc743d726f7 · Product Hunt
Identify Skin ai skin detection, ai dermatology, skin scanner, skin check

VerusCite verifies citations in academic PDFs with AI extraction and database cross-checks. Flag hallucinations and metadata mismatches before you submit.
u/andy_p_w · Reddit
VerusCite — Verify Academic Citations Tool to evaluate whether citations in academic papers can be verified, have minor errors, or are likely AI generated hallucinations. submitted by /u/andy_p_w to r/SideProject [link] [comments]

Solana Index is a REST API for exact SPL token balances by Solana slot, with caching, API key auth, current slot data, and historical slot timestamp lookups.
@index_solana · X
Solana Index solves a specific data problem: retrieving an SPL-token balance at an exact historical Solana slot through a structured API, without rebuilding the archive and reconstruction workflow.