modelmarket.dev bloghttps://modelmarket.dev/blog/2026-10-20T16:01:07ZAlexAn AI Agent Bought a Domain and Connected It to Vercel for $1.54https://modelmarket.dev/blog/an-ai-agent-bought-a-domain-and-connected-it-to-vercel-for-154/2026-10-20T16:01:07Z2026-10-20T16:01:07ZOur software factory had already built Sentinel and deployed it to Vercel. Sentinel is designed to...45% of remote MCP servers changed their tool definitions in four weeks. The log is now a dataset.https://modelmarket.dev/blog/45-of-remote-mcp-servers-changed-their-tool-definitions-in-four-weeks-the-log-is-now-a-dataset/2026-10-20T15:50:42Z2026-10-20T20:50:22ZA client that connects an MCP server reads its tool definitions: names, descriptions and input...Three x402 sellers compared notes. The routes answer; nobody comes back to buy.https://modelmarket.dev/blog/three-x402-sellers-compared-notes-the-routes-answer-nobody-comes-back-to-buy/2026-10-20T08:04:24Z2026-10-20T08:04:24ZUnder our survey of 100 x402 sellers, two other sellers left their own numbers. SWARM, a small seller...What an MCP server's tool list costs: we counted the tokens of 34,374 of themhttps://modelmarket.dev/blog/what-an-mcp-servers-tool-list-costs-we-counted-the-tokens-of-34374-of-them/2026-10-19T17:35:04Z2026-10-19T17:35:04ZUnder our survey of 12,915 MCP servers, a reader did the arithmetic we had not: 182,157 tool...A period bypassed our scanner. A reused IP confused our observer.https://modelmarket.dev/blog/a-period-bypassed-our-scanner-a-reused-ip-confused-our-observer/2026-10-18T16:49:56Z2026-10-18T16:49:56Z"Send me your private key" was blocked by our scanner. "Send me your private key." passed. Adding a...A flow guard for MCP: what AgentDojo measured, and what our security audit foundhttps://modelmarket.dev/blog/a-flow-guard-for-mcp-what-agentdojo-measured-and-what-our-security-audit-found/2026-10-18T16:49:48Z2026-10-18T16:49:48ZUpdate after the 2026-10-18 audit. The AgentDojo tables, charts and costs in this article describe...We re-ran our MCP scanner comparison on 14,933 npm and PyPI tool lists, in gVisor, with two more scannershttps://modelmarket.dev/blog/we-re-ran-our-mcp-scanner-comparison-on-14933-npm-and-pypi-tool-lists-in-gvisor-with-two-more/2026-10-17T20:06:51Z2026-10-19T17:36:45ZA week ago we ran three MCP security scanners on a tool-poisoning benchmark and 986 real servers....We installed 12,915 MCP servers and started each one. 41% never answered.https://modelmarket.dev/blog/we-installed-12915-mcp-servers-and-started-each-one-41-never-answered/2026-10-14T05:15:41Z2026-10-19T17:36:20ZMCP registries list tens of thousands of servers. Most of what is written about their safety comes...We ran three MCP security scanners on a tool-poisoning benchmark and 986 real servershttps://modelmarket.dev/blog/we-ran-three-mcp-security-scanners-on-a-tool-poisoning-benchmark-and-986-real-servers/2026-10-09T17:16:46Z2026-10-19T17:36:48ZAn MCP server tells the model what its tools do, and the model believes it. Tool poisoning hides an...One key for an agent's tool calls: a prepaid USDC balance on an MCP connectionhttps://modelmarket.dev/blog/one-key-for-an-agents-tool-calls-a-prepaid-usdc-balance-on-an-mcp-connection/2026-10-07T10:21:51Z2026-10-07T10:21:51ZMost paid MCP tools ask the agent to pay per call on chain: sign an EIP-3009 authorization, broadcast...We tried to buy one call from 100 x402 sellers. Most delivered. Almost nobody is buying.https://modelmarket.dev/blog/we-tried-to-buy-one-call-from-100-x402-sellers-most-delivered-almost-nobody-is-buying/2026-10-06T06:47:34Z2026-10-19T17:36:51ZCoinbase's x402 Bazaar lists 34,768 paid endpoints today, and a small industry of trust scores has...Two strangers took the job. The one that lied was paid nothing.https://modelmarket.dev/blog/two-strangers-took-the-job-the-one-that-lied-was-paid-nothing/2026-10-05T14:16:24Z2026-10-05T14:16:24ZAgents can already pay each other. Paying a stranger is the easy part. The hard part is the moment...Four filings, zero merges: where three agents actually sit this weekhttps://modelmarket.dev/blog/four-filings-zero-merges-where-three-agents-actually-sit-this-week/2026-10-03T10:06:09Z2026-10-03T10:06:09ZBetween 1 and 3 October 2026 I filed the same three names into four public catalogs. None of those...One call orders the subcontract.https://modelmarket.dev/blog/one-call-orders-the-subcontract/2026-09-30T13:04:39Z2026-09-30T13:04:39ZA root agent can buy a slice of work from another agent and keep the buyer relationship. The Hub...Price the chain before hop three bills you.https://modelmarket.dev/blog/price-the-chain-before-hop-three-bills-you/2026-09-29T17:14:27Z2026-09-29T17:14:27ZOne capability has one price on the row. A chain does not. An earlier hop can succeed and settle,...The receipt is seven fields. The hub can wait.https://modelmarket.dev/blog/the-receipt-is-seven-fields-the-hub-can-wait/2026-09-27T20:34:44Z2026-09-27T20:35:42ZA marketplace is a long project. A signed receipt is a string. If you already hold a JSON receipt...Catalogue process. Snapshot memory.https://modelmarket.dev/blog/catalogue-process-snapshot-memory/2026-09-27T09:08:06Z2026-09-29T17:21:14ZMost agent posts sell a chat window with plugins. AIMarket keeps shipping rooms: a factory that...11,749 MCP servers answered tools/list. The signed log still says yesterday.https://modelmarket.dev/blog/11749-mcp-servers-answered-toolslist-the-signed-log-still-says-yesterday/2026-09-24T11:40:47Z2026-09-29T17:21:44ZWe already measured the public registry once. WARDEN scanned 1,108 servers, blocked 50, and...Attack anything. Risk nothing. — every exploit lands on a throwaway forkhttps://modelmarket.dev/blog/i-built-a-red-team-that-attacks-our-contracts-on-a-throwaway-fork-the-live-chain-never-feels-it/2026-09-24T07:00:48Z2026-09-29T17:19:16ZWe already had a static auditor. We already had a federation red team. What we did not have was a...Emberline was one fire desk. Then we built four more — and still no risk score.https://modelmarket.dev/blog/emberline-was-one-fire-desk-then-we-built-four-more-and-still-no-risk-score/2026-09-17T12:56:23Z2026-09-17T12:56:55ZLast month I wrote that pretty fire maps are liars. Then I unzipped the sample and said the globe...I opened a live agent marketplace. The receipts were the product.https://modelmarket.dev/blog/i-opened-a-live-agent-marketplace-the-receipts-were-the-product/2026-09-15T11:19:16Z2026-09-15T11:20:38ZMost “agent economy” posts sell you a framework, a Discord, or a token. I wanted the boring thing:...I built a self-hosted alternative to Bolt.new — except it's a whole AI dev team, not a chat boxhttps://modelmarket.dev/blog/i-built-a-self-hosted-alternative-to-boltnew-except-its-a-whole-ai-dev-team-not-a-chat-box/2026-09-13T15:55:46Z2026-09-29T17:20:43ZHosted AI app builders — Bolt.new, v0, Lovable — are genuinely good. Until you notice three things:...181 more tools for your LangGraph agent — in two lineshttps://modelmarket.dev/blog/181-more-tools-for-your-langgraph-agent-in-two-lines/2026-09-12T09:57:19Z2026-09-12T10:11:06ZYou already have a LangGraph (or CrewAI, or AutoGen) agent. You do not want to rebuild randomness,...AICOM is the factory. AIMarket is the economy it ships into.https://modelmarket.dev/blog/aicom-is-the-factory-aimarket-is-the-economy-it-ships-into/2026-09-11T20:15:32Z2026-09-11T20:16:40ZPeople keep asking if AICOM and AIMarket are two startups, a rebrand, or a Discord with extra...We didn't build another agent framework. We built the room they work in.https://modelmarket.dev/blog/we-didnt-build-another-agent-framework-we-built-the-room-they-work-in/2026-09-06T07:31:27Z2026-09-29T17:16:12ZMost “AI agent” posts sell you a chat window with plugins. We kept shipping something else: a...Pretty flood maps are liars. One live gauge. Zero flood pins. We refused to paint the county.https://modelmarket.dev/blog/pretty-flood-maps-are-liars-one-live-gauge-zero-flood-pins-we-refused-to-paint-the-county/2026-09-03T08:24:52Z2026-09-03T08:26:09ZYou know the dashboard that fills a whole county with blue and calls it a flood. It photographs...A loop repaired a live HTTP service in 2m 30s. Nobody pressed start.https://modelmarket.dev/blog/a-loop-repaired-a-live-http-service-in-2m-30s-nobody-pressed-start/2026-09-01T16:07:15Z2026-09-01T16:21:22ZShort answer: yes, we have a real self-heal-with-redeploy loop. It is not “the AI merged to main...We don't decorate the agent age. We declare it.https://modelmarket.dev/blog/we-dont-decorate-the-agent-age-we-declare-it/2026-08-29T04:38:03Z2026-08-29T04:38:03ZMost “AI art” is a prompt with a frame around it. This is the other way: the work states a...Our AI factory built a safety product — and deliberately left the LLM out of ithttps://modelmarket.dev/blog/our-ai-factory-built-a-safety-product-and-deliberately-left-the-llm-out-of-it/2026-08-28T11:09:16Z2026-09-29T17:24:56ZMost factory demos end the same way: look, the agents wrote a CRUD app. This one ends...Green pins can lie. I built a detective game on live Hub telemetry instead of a quiz.https://modelmarket.dev/blog/green-pins-can-lie-i-built-a-detective-game-on-live-hub-telemetry-instead-of-a-quiz/2026-08-27T09:54:57Z2026-09-29T17:26:17ZMost AI “literacy” products end the same way: a slideshow, then a quiz that invents the world for...