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The deepest moats.

The startups it would be hardest to take customers from.

#StartupMRRCodeMoatVerdict

01Adspirer· MarketingA hosted MCP server and plugin that lets ChatGPT, Claude, Cursor and other AI assistants run Google, Meta, LinkedIn, TikTok, Amazon and ChatGPT ad accounts. Founders, marketers and agencies pay about $49 to $199 a month.$54.7k MRR ·code a month$54.7ka month6 months36Kinda02unfair.so· MarketingA marketplace where B2B and AI startups pay X and LinkedIn creators for coordinated quotes, reposts and sponsored posts, with engagers turned into leads. Startups pay per post or a $990/mo managed plan.$33.1k MRR ·code 2 weeks$33.1k2 weeks6 months34Kinda03Indexsy· MarketingDone-for-you SEO and link building (mainly niche edits and backlink packages, plus white-label links for agencies), sold to site owners, SaaS companies and SEO agencies.$51.2k MRR ·code a weekend$51.2ka weekend6 months33Kinda04Launch Club· MarketingDone-for-you Reddit posting and commenting from the agency's own established accounts, sold to startups and brands that want to be cited in AI search ($99 to $4,000 a month).$32k MRR ·code a weekend$32ka weekend3 months22No05Windmill Growth, LLC· MarketingA done-for-you LinkedIn ghostwriting and personal branding agency for B2B founders, paid by founders at $650 to $3,999 a month.$118k MRR ·code a week$118ka week6 months20No06RankAI· MarketingRankAI is an AI SEO and AI-search (GEO) agent that writes and publishes pages, fixes technical SEO and tracks ChatGPT visibility. SMBs, ecommerce brands and white-label agencies pay $199 to $499 a month, with custom Expert plans above that.$56.5k MRR ·code 2 weeks$56.5k2 weeks3 months19No07Reddit Agency· MarketingDone-for-you Reddit marketing agency. B2B brands pay retainers (published at about $3k to $5k a month) for posting, reputation cleanup, and Reddit threads meant to get the brand cited by ChatGPT and Google.$34.8k MRR ·code a week$34.8ka week3 months17No