Domain Arrivals
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Featured in Domain Arrivals · 2026-08-14

Fern’s OpenAPI-to-MCP Deployer

fernmcp.dev ↗ · Developer Corner · score 82.0
○Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible ADAds: visible ad load or ad-supported content ✦Pretty: notable design, copy, craft, or presentation ◆Pro: polished, finished-feeling, serious, or operationally mature ◇Niche: specific audience, workflow, or unusually focused use case ◉Human: personal, local, community, civic, handmade, or real-person signal !Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern

A browser-based tool that turns an OpenAPI specification into a hosted MCP server.

Why it surfaced

Fern accepts a YAML, JSON, pasted, or remote OpenAPI spec, compiles its operations into MCP tools, and publishes the result to an edge-hosted endpoint. The page also exposes unusually concrete deployment plumbing, including API-key sealing, OAuth configuration, tool testing, and an agent chat for trying the server.

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The Largest Cat Has No Number

August 14’s newborn domains include an unnumbered giant among thirteen catalogued glossy cats, a shareable Visual Snow Syndrome simulator, two independent Colombian relief directories, and a snail farm with races, courtship, and its own Gazette.

This is one of 1,000 discoveries in the 2026-08-14 Domain Arrivals issue.

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