# Mercari (mercari.com): agent-readiness 31/100, grade F

> Rank 922 of 1000 on Qomvia (rubric v2.3.0). Last scanned 2026-10-10T01:30:39.824Z. Page: https://qomvia.com/site/mercari-com  JSON: https://qomvia.com/api/score/mercari-com

## Summary

{
  "known": true,
  "confidence": "high",
  "summary": "Mercari is an online marketplace connecting individual buyers and sellers for new and used goods. It provides a platform for people to declutter and find unique items, primarily through its mobile app.",
  "offerings": [
    "Online marketplace for used goods",
    "Shipping labels and services",
    "Payment processing",
    "Buyer protection",
    "Seller protection",
    "Mobile application"
  ],
  "audience": "Individuals seeking to buy or sell a wide range of new or pre-owned consumer items, from fashion to electronics and home goods.",
  "geography": "Primarily Japan and the United States.",
  "strengths": [
    "User-friendly mobile app",
    "Supports a wide variety of items",
    "Integrated shipping solutions",
    "Buyer and seller protection policies",
    "Good for decluttering and finding unique items"
  ],
  "unknowns": [
    "Specific current fee structures and rates",
    "Exact user base size or transaction volumes",
    "Detailed financial performance or profitability",
    "Exact market share in specific categories",
    "Future strategic expansion plans"
  ],
  "alternatives": [
    "ebay.com",
    "poshmark.com",
    "depop.com",
    "vinted.com",
    "offerup.com"
  ],
  "business": "Online marketplace enabling individuals to buy and sell new and pre-owned consumer goods primarily in Japan and the US.",
  "competitors": [
    "ebay.com",
    "poshmark.com",
    "depop.com",
    "vinted.com",
    "offerup.com",
    "stockx.com",
    "grailed.com"
  ]
}

## Score by group
- Machine access: 11/24
- Content legibility: 7/26
- Discovery surface: 5/20
- Identity & policy: 0/12
- Agent-facing performance: 8/8
- Agent protocols: 0/10
Failing checks:
- [blocker] No llms.txt
- [blocker] The site does not say who it is
- [blocker] Content is buried in boilerplate
- [blocker] Bot protection blocks declared agents
- [blocker] No API or feed to read

## AI mentions and rivals
Named in 2 AI assistant answers.
- poshmark.com: 56/100 https://qomvia.com/site/poshmark-com
- vinted.com: not measured
- offerup.com: not measured

## Named for
- Where can I buy flamingo socks with a tropical palm-leaf design? https://qomvia.com/answers/where-can-i-buy-flamingo-socks-with-a-tropical-palm-leaf-design

## FAQ
Q: Is Mercari readable by AI agents?
A: Mercari (mercari.com) scores 31 out of 100 for agent readiness, grade F, measured today, on 10.10.2026. 0 of 3 agent classes we test can use the site, and 8 checks currently block agents outright.

Q: What stops agents from using mercari.com?
A: The heaviest problems are: No llms.txt; The site does not say who it is; Content is buried in boilerplate; Bot protection blocks declared agents; No API or feed to read. Each one is scored from a public HTTP response, and the fix for each is listed in the signed-in report.

Q: How is the Mercari agent-readiness score calculated?
A: Qomvia fetches public pages of mercari.com as an AI agent would and runs the core checks every site gets across 6 groups: Machine access, Content legibility, Discovery surface, Identity & policy, Agent-facing performance, Agent protocols. Checks are weighted by how much an agent loses when they fail, and the score is expressed out of 100.

Q: How often is this score updated?
A: Public scores are re-checked when the site is re-scanned; tracked domains are re-scanned weekly and their owners are alerted when a check regresses. This page shows the scan from today, on 10.10.2026.

## Related
- Leaderboard: https://qomvia.com/leaderboard
- Score another site: https://qomvia.com/