Costco
PartialElectronics
Homepage reachable, but our check did not confirm an agent protocol (no valid UCP manifest or MCP endpoint found).
18
Agent-readiness score
Check coverage: 100%
Last checked: 2026-10-17
What an agent can do here (per published signals)
- No agent protocol was confirmed in our last check.
This lists what the shop advertises in machine-readable form. We do not test purchases, so nothing here guarantees that an automated checkout will succeed.
Facts
- Company country
- unknown
- Platform
- other
- Languages
- en
- Currency
- unknown
- Category
- Electronics
- Payment methods mentioned on homepage
- unknown
- Guest checkout hint
- unknown
- Capabilities
- none found
- Data origin
- our own checks
- First seen
- 2026-10-17
Why we list this site as a shop
unknown
Agent endpoints
robots.txt
https://costco.com/robots.txtProtocols
none found
Score breakdown
Valid UCP manifest0/25UCP checkout0/10UCP cart0/5UCP catalog/search0/5UCP payment handlers0/5MCP endpoint0/10AI bots not blocked (robots.txt)15/15llms.txt0/5Sitemap3/3ai-plugin.json0/2
How the score works (heuristic) →
AI-bot rules in robots.txt
| Bot | robots.txt |
|---|---|
GPTBot | follows wildcard (some paths restricted) |
ClaudeBot | follows wildcard (some paths restricted) |
Google-Extended | follows wildcard (some paths restricted) |
PerplexityBot | follows wildcard (some paths restricted) |
OAI-SearchBot | follows wildcard (some paths restricted) |
ChatGPT-User | follows wildcard (some paths restricted) |
How the shop’s robots.txt treats six well-known AI crawlers/agents. “follows wildcard” means no bot-specific rule, the * rules apply.
Checks
| Check | Result | HTTP | Time (UTC) |
|---|---|---|---|
| robots.txt | ok | 200 | 2026-10-17T22:26:05Z |
| Homepage | ok | 200 | 2026-10-17T22:26:06Z |
| /llms.txt | absent | 404 | 2026-10-17T22:26:07Z |
| /.well-known/ucp | absent | 404 | 2026-10-17T22:26:08Z |
| /.well-known/mcp | absent | 404 | 2026-10-17T22:26:09Z |
| /.well-known/ai-plugin.json | absent | 404 | 2026-10-17T22:26:10Z |