Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add fetcher-sh/fetcher-skills --skill yelpgit clone --depth 1 https://github.com/fetcher-sh/fetcher-skillsWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/fetcher-sh/fetcher-skills/yelp)<a href="https://agentmods.dev/skills/fetcher-sh/fetcher-skills/yelp"><img src="https://agentmods.dev/badge/skills/fetcher-sh/fetcher-skills/yelp/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/fetcher-sh/fetcher-skills/yelp"><img src="https://agentmods.dev/badge/skills/fetcher-sh/fetcher-skills/yelp.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- Socket pass
- Snyk warn
What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00116 | $0.01220 |
| Opus 5.5 | $0.00046 | $0.00488 |
| Sonnet 5.5 | $0.00023 | $0.00244 |
| Haiku 4.5 | $0.00012 | $0.00122 |
Grade A, and why
yelp scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
curl -H "Authorization: Bearer $FETCHER_API_KEY" \ How it starts
The opening of the file, as written. The whole thing — 138 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Yelp API
Local business search, business details, and reviews as clean JSON — one plain HTTP GET per call, paid as you go. No Yelp Fusion API app approval, no daily call cap, no API key request form.
Base URL: https://yelp.fetcher.sh
Authentication
Two ways to pay, same data — full mechanics in the fetcher
skill:
# 1. Prepaid credits (recommended — get a key at https://fetcher.sh/topup
# or via POST /api/credits/topup, see the fetcher skill)
export FETCHER_API_KEY="bby_live_xxxxxxxxxxxx"
curl -H "Authorization: Bearer $FETCHER_API_KEY" \
"https://yelp.fetcher.sh/api/search?query=ramen&location=San+Francisco"
# 2. x402 pay-per-call — omit the header; a GET with no payment returns 402
# with machine-readable payment requirements (USDC on Base, Polygon,
# Arbitrum, Monad, or Solana). @x402/fetch signs and retries automatically.
Every response is { "status": number, "message": string, "data": ... }; the
HTTP status mirrors status.
Endpoints (4 — all GET, $0.003/call)
| Endpoint | What it returns |
|---|---|
/api/search |
Businesses matching a query and location |
/api/place/{id} |
A business's full details by ID |
/api/place/handle/{handle} |
A business's full details by its Yelp URL handle/slug |
/api/place/{id}/reviews |
A business's reviews |
Required on search: query, location. Optional: sortBy (recommended,
rating, reviewCount), page. Reviews support page.
Scenarios
Highest rated first:
curl -H "Authorization: Bearer $FETCHER_API_KEY" \
--data-urlencode "query=ramen" -G \
--data-urlencode "location=San Francisco" \
--data-urlencode "sortBy=rating" \
"https://yelp.fetcher.sh/api/search"
Most reviewed first:
curl -H "Authorization: Bearer $FETCHER_API_KEY" \
--data-urlencode "query=tacos" -G \
--data-urlencode "location=Austin, TX" \
--data-urlencode "sortBy=reviewCount" \
"https://yelp.fetcher.sh/api/search"
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 1mo ago First seen · 138 lines · 116 tokens per session scan A a2fa4e55f7e6
yelp is a skill published in the GitHub repository fetcher-sh/fetcher-skills (2 stars, last pushed 1mo ago), licensed MIT. It adds 116 tokens to every session and 1,220 once invoked, about $0.0005 per session on Opus 5.5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-01.
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