# Listed by RZLT

> Listed is a free, searchable list of 108 startup launch platforms, AI tool directories, SaaS listings and MCP registries ranked by Ahrefs domain rating. It is built and maintained by RZLT (https://rzlt.io), growth partner to 50+ AI startups.

Listed helps founders decide where to launch and list a startup, and explains how directory listings support early users, investor discovery and AI visibility. Directory data is reviewed and updated regularly; see the methodology page for how directories are selected and ranked. Last verified: 2026-09-20.

## Directory list
- [All directories ranked by DR](https://listed.rzlt.io/#directories): the full list with category, DR and website
- [MCP and plugin registries](https://listed.rzlt.io/#mcp): where to list MCP servers, connectors and plugins, including Claude, ChatGPT, Cursor and Meta's Muse
- [Methodology](https://listed.rzlt.io/methodology): how directories are selected, categorized and ranked

## Guides
- [SEO and Answer Engine Optimization in 2026: What Startups Need to Know to Get Cited by AI](https://listed.rzlt.io/guides/seo-aeo-2026): Answer engine optimization in 2026 decides whether ChatGPT recommends you. AI cites a SaaS tool's own site only 12% of the time. Here is how to win the rest.
- [Paid Advertising in 2026: What Startups Need to Know](https://listed.rzlt.io/guides/paid-advertising-2026): Paid advertising in 2026 means ChatGPT ads, creative-led targeting and rising costs. Here is how startups should plan, test and measure paid media this year.
- [Influencer Marketing and UGC in 2026: What Brands Need to Know](https://listed.rzlt.io/guides/influencer-ugc-2026): Influencer marketing in 2026 is a $44B US channel. Here is how brands should combine influencers, UGC and clipping, for B2B and B2C, and measure what it returns.
- [Account-Based Marketing in 2026: What B2B Teams Need to Know](https://listed.rzlt.io/guides/abm-2026): Account-based marketing in 2026 must reach buying groups of 13 stakeholders and 9 outside influencers. Here is how B2B teams map ICPs, warm accounts and build pipeline.

## About
- [About Listed and RZLT](https://listed.rzlt.io/about): who builds Listed and the team behind it
- [Privacy policy](https://listed.rzlt.io/privacy): what happens to the details submitted through the booking form
- [RZLT](https://rzlt.io): growth services across SEO and AI visibility, paid media, creators and ABM

## Optional
- [Full text for LLMs](https://listed.rzlt.io/llms-full.txt): every directory and the full text of every guide