# SaaSCity > SaaSCity, an MCP server by saascity.io, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. Audit your site, pick from 1,600+ launch directories by DR and link type, and list on SaaSCity. - Canonical: https://www.anchorterminal.com/tools/saascity - Markdown: https://www.anchorterminal.com/tools/saascity.md (~1,600 tokens) - Slim: https://www.anchorterminal.com/tools/saascity.min.md (~1,530 tokens, same facts, less prose, for token-sensitive contexts) - JSON: https://www.anchorterminal.com/tools/saascity.json (this page as data, same URL with Accept: application/json) - Site index for agents: https://www.anchorterminal.com/llms.txt (the key docs and every listing in one file, at most 16 MB, about 4 million tokens: https://www.anchorterminal.com/llms-full.txt) - API: https://www.anchorterminal.com/api/v1/index.json - MCP: https://www.anchorterminal.com/mcp (the whole catalogue as tools, no key) - DNS: dig +short TXT saascity.grade.anchorterminal.com (the grade as a DNS TXT record, for a sandbox with no HTTP where names still resolve; also top., best.. and .vs.. under the zone, and the same under grade.letme.dev) - Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data) - Updated: 2026-11-15 # SaaSCity > Indexed, not reviewed: facts from the official MCP registry and our own checks. No score, grade or rank, and not in the rankings until the panel reviews it. How the index works: https://www.anchorterminal.com/indexed/ - Kind: MCP server, by saascity.io (https://saascity.io) - Listed because: It's published in the registry under saascity.io, a namespace the registry only gives to whoever proves they control that domain. - What the official MCP registry says: Audit your site, pick from 1,600+ launch directories by DR and link type, and list on SaaSCity. ## Facts - MCP registry: `io.saascity/saascity` 2.1.0 - Endpoint: https://saascity.io/api/mcp (streamable HTTP) - Package: npm `saascity-mcp` (stdio) - Source: https://github.com/nyyhao/saascity-mcp - Website: https://saascity.io - npm downloads a week: 459 - GitHub stars: 0 - Registry entry updated: 2026-11-07 ## Tools - Tools it lists (23, about 8,472 tokens of context, `tools/list` without credentials over MCP 2026-07-28, checked 2026-11-15 03:50 UTC): - `check_launch_readiness` (read-only): Audit a product homepage before launching it: HTTPS, noindex, title and meta description, og:image (fetched to confirm it loads), X card, favicon, canonical,… - `recommend_launch_directories` (read-only): Hand-picked launch directories for a product type, grouped by when to submit (launch day first, evergreen after). Every pick carries a human-written verdict,… - `find_launch_directories` (read-only): Filter 1,667 startup, SaaS and AI directories by category, minimum Ahrefs DR, link type (dofollow/nofollow), price and badge-swap requirement. Returns submit… - `get_launch_directory` (read-only): Look up one directory by domain or URL: Ahrefs DR, dofollow or nofollow, price, whether it wants a badge swap, the submit URL, and a human verdict where one… - `submit_project` (writes): List a product on the SaaSCity launch directory. Creates a draft and returns a claim URL. The human signs in, chooses a paid plan or an available free badge… - `check_badge` (read-only): Check whether the SaaSCity badge is live on a site. Reads the given URL and, for a deep page, the site homepage too, rendering JavaScript if needed. Free… - `get_submission_status` (read-only): Where a SaaSCity submission stands. By claim token: unclaimed, expired, claimed but the form not submitted yet, submitted and waiting for payment, submitted… - `get_launch_weeks` (read-only): SaaSCity launch weeks: the next 12 Mondays. A round opens each Monday at 00:00 UTC, and a paid listing can take any of them. - `get_offers` (read-only): SaaSCity paid listing offers and the free badge option. Only a human can pay, on the claim page. - `search_listings` (read-only): Search products listed on SaaSCity by keyword and/or category. Returns title, tagline, category, upvote points, the listing page and the product site. Useful… - `get_listing` (read-only): One live SaaSCity listing by slug: title, tagline, full description, category, upvote points, link type (dofollow/nofollow), listing page and product site. - `get_leaderboard` (read-only): SaaSCity's most upvoted launches for this week's launch, the last 30 days, or all time, optionally within one category. - `find_alternatives` (read-only): Other SaaSCity listings in the same category as a given listing, most upvoted first. Useful for competitor research and positioning. - `calculate_arr` (read-only): Turn monthly recurring revenue into annual recurring revenue (ARR = MRR x 12), with ARPU when the customer count is given and the months to $100k, $1M and $10M… - `calculate_arr_bridge` (read-only): Explain how ARR moved over a period: ending ARR = starting ARR + new + expansion - contraction - churned. Returns net new ARR, growth, the SaaS quick ratio… - `calculate_churn` (read-only): Customer churn and retention for a period, its monthly and annual equivalents (compounded, so 5% a month is about 46% a year, not 60%), and the average… - `calculate_nrr` (read-only): Net revenue retention (NRR) and gross revenue retention (GRR) of a group of customers from their starting MRR, expansion, contraction and churned MRR, with… - `rule_of_40` (read-only): Rule of 40 score (revenue growth % + profit margin %), plus the magic number, burn multiple and SaaS quick ratio when their inputs are given. Full calculator:… - `calculate_nps` (read-only): Net Promoter Score from the counts of promoters (9-10), passives (7-8) and detractors (0-6), with the margin of error at 95% confidence. Full calculator:… - `ab_test_significance` (read-only): Two-proportion test of an A/B result: conversion rates, relative uplift, p-value, confidence interval, the chance that B beats A, and a sample ratio mismatch… - `markup_margin` (read-only): Selling price, profit and margin from a cost and a markup percent, or markup and margin from a cost and a selling price. Full calculator:… - `uptime_downtime` (read-only): Allowed downtime per day, week, month, quarter and year, in seconds, for an availability target such as 99.9%. Full calculator:… - `check_backlink` (read-only): Check whether a directory listing page links to your site and whether that link is followed. Reads the page's static HTML and reports every anchor pointing at… - How its tools read to an agent (0 errors, 0 warnings, 0 notes, about 8,472 tokens; rules at https://www.anchorterminal.com/check.md; not part of the score): - JSON: https://www.anchorterminal.com/api/v1/tools/saascity.json - Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming --- Query this catalogue directly over MCP: https://www.anchorterminal.com/mcp (Streamable HTTP, no key). How: https://www.anchorterminal.com/agents/#mcp