# Agent Shopping Tracker

> Which stores let AI agents buy. Free, read-only, no key.

- name: app.vercel.agent-shopping-tracker/feed
- version: 1.0.0
- connection class: R0 (autonomous)
- trust: 83/100 flags: no-repository
- quality: 100/100 (new)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/app.vercel.agent-shopping-tracker%2Ffeed
- tools: https://api.protogrid.dev/v1/servers/app.vercel.agent-shopping-tracker%2Ffeed/tools

**An agent can connect right now, no human step.** Remote endpoint, no authentication, reachable on the last probe.

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "feed": {
      "type": "http",
      "url": "https://agent-shopping-tracker.vercel.app/api/mcp"
    }
  }
}
```


## Trust

- hygiene: 80
- liveness: 100
- freshness: 100
- provenance: 55
- drivers: +dns-namespace +website +reachable +uptime-100% +updated-4d-ago -no-repository
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 100/100 (new)

### protocol: 100 (weight 25)

- pass `protocol.modern`: supports 2026-07-28 (server/discover)
- pass `protocol.stateless`: answers without a session
- pass `protocol.transport`: streamable HTTP
- pass `protocol.list_ttl`: tool list is cacheable (ttlMs 3600000)

### authorization: n/a (weight 15)

- n/a `auth.prm`, `auth.as_metadata`, `auth.cimd`: no remote uses OAuth
- n/a `auth.secret_in_url`: no templated URL

### tool hygiene: 100 (weight 30)

- pass `tools.descriptions`: every tool has a description
- pass `tools.description_length`: descriptions are concise
- pass `tools.schemas`: every tool has an object input schema
- pass `tools.annotations`: 5 of 5 tools declare readOnlyHint or destructiveHint
- pass `tools.directory_hints`: every tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
- pass `tools.token_cost`: about 606 tokens to load every tool
- pass `tools.api_dump`: tools are not a one-to-one API dump
- pass `tools.hidden_text`: no hidden text in tool names, descriptions, schemas or annotations

### stability: n/a (weight 15)

- n/a `stability.changes`, `stability.rug_pull`, `stability.new_links`: tool history recorded for 4 of the 7 days needed

### dependencies: n/a (weight 15)

- n/a `deps.known_vulns`, `deps.mcp_sdk_version`, `deps.resolvable`: no npm or PyPI package

- tools: 5, about 606 tokens to load them all
- tool set hash: 202d35ba1aff9e6f3d6de39f428dc456
- badge: [![protogrid quality](https://protogrid.dev/badge/app.vercel.agent-shopping-tracker/feed.svg)](https://protogrid.dev/servers/app.vercel.agent-shopping-tracker/feed)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

_No tool definition changes recorded._

## Remotes

- https://agent-shopping-tracker.vercel.app/api/mcp (streamable-http, auth none, reachable true, uptime30d 1)

## Packages

_none_

## Tools (5)

- `get_blocklist`: Summarize which retailers' public robots.txt files name AI agents, and where to read the full check. robots.txt is a request, not proof of a block. Credit the blocklist page.
- `get_player`: Look up one tracker row by slug, such as walmart or etsy. Credit the Page URL in the result. Keep the note. It is uncertainty.
- `list_players`: List every store, platform, payment network, and protocol on the Agent Shopping Tracker, with status and the page to credit.
- `search_news`: Search dated news. Filter with since (YYYY-MM-DD), a player slug, or words from the title, summary, or tags. Credit each item's Page URL.
- `which_retailers_block_agents`: List retailers whose public robots.txt disallows an AI agent token, fully or partly. Pass a token such as GPTBot or ChatGPT-User, or omit it for any tracked agent. Credit the blocklist page. A disallow is not proof the site enforces it.