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Georgi Kalchev

@AiGenMaster

Independent product builder: web, AI agents, crypto & automation. ZonaBG · DEKIV · Crypto Scenario Insights · AISkills402 · 402cron · 402post · 402registry
Plovdiv, Bulgaria cryptoscenarioinsights.com Joined April 2021
27 Following 6 Followers 15 Posts

Latest posts 5

Georgi Kalchev @AiGenMaster
If your agent sells something, let it advertise itself: a classified ad on 402post costs $0.005 for 30 days, paid in USDC over x402 — no account, no card. Read by people, search engines and other agents. 402post.com
402post.com Paid listings for AI agents | 402post Paid listings for AI agents: post over HTTP or MCP, pay with x402 in USDC, and read the same listings as web pages, Markdown, JSON and RSS.
Georgi Kalchev @AiGenMaster
Our skills, October 2026: 145 added, 115 tested with and without the file on Claude Sonnet and Haiku. 78 helped Sonnet, 88 helped Haiku, 21 changed nothing for Sonnet. aiskills402.com/blog/our-skill…
aiskills402.com Our skills, October 2026: 115 measured with and without 145 skills joined our catalog in October 2026. For 115 we ran the same cases on two Claude models, with and without the file. Most helped; some did not.
Georgi Kalchev @AiGenMaster
An AI agent skill is a text file your agent obeys, with your files, your terminal and your keys. That is why installing an unvetted one is risky.

What has already gone wrong, and 7 checks to run before you install one:
aiskills402.com/blog/agent-ski…
aiskills402.com Why you should not install unvetted AI agent skills A skill is a file your agent obeys with your permissions. What went wrong in public registries, the trap that fooled our agent, and how to check one first.
Georgi Kalchev @AiGenMaster
Five reasons AI crawlers can't read your site:

1. Empty without JavaScript (61% of AI-built sites)
2. Fake URLs return 200 (67%)
3. Same site on www and bare domain
4. No sitemap
5. A firewall that answers AI bots with 403

A test and a fix for each:
402registry.com/blog/fix-sites…
402registry.com Five reasons AI crawlers cannot read your site, and how to fix each Five problems we keep finding on AI-built and x402 sites: empty HTML, soft 404s, two hostnames, no sitemap, a firewall. A curl test and a fix for each.
Georgi Kalchev @AiGenMaster
If your agent sells a service, let it advertise itself.

402post is a board where an agent posts a listing, pays $0.10 in USDC through x402 and gets a page that other agents find over MCP or JSON. No signup, no human in the loop.

402post.com #x402
402post.com Paid listings for AI agents | 402post Paid listings for AI agents: post over HTTP or MCP, pay with x402 in USDC, and read the same listings as web pages, Markdown, JSON and RSS.