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 agentmods add skills/serpapi/serpapi-claude-plugin/searchnpx skills add serpapi/serpapi-claude-plugin --skill searchgit clone --depth 1 https://github.com/serpapi/serpapi-claude-pluginWhat 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 | $0.00086 | $0.02303 |
| Opus 5 | $0.00043 | $0.01151 |
| Sonnet 5 | $0.00017 | $0.00461 |
| Haiku 4.5 | $0.00009 | $0.00230 |
Grade A, and why
search scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
description: Search Google, Bing, Amazon, Walmart, YouTube, Google Maps, Google Scholar, and 100+ other engines via the SerpApi REST API. Calls the API using curl. Use when the user wants to search the web, find products How it starts
The opening of the file, as written. The whole thing — 155 lines — stays where its author put it; the contents beside it link to each section on GitHub.
SerpApi Search
Search any engine via a single REST endpoint. Each API call costs one search credit.
Important: Always use Bash(curl ...) to call the SerpApi REST API. Do not use WebFetch, WebSearch, or any other HTTP tool.
Setup
The API key must be set as an environment variable:
export SERPAPI_API_KEY="your_key_here"
If SERPAPI_API_KEY is not set, tell the user:
Set your SerpApi API key:
export SERPAPI_API_KEY="your_key"— get one free at https://serpapi.com/manage-api-key
API Pattern
Every search follows the same pattern regardless of engine:
curl -s "https://serpapi.com/search.json?engine=ENGINE&QUERY_PARAM=QUERY&api_key=$SERPAPI_API_KEY"
The only things that vary per engine are:
- The
enginevalue - The query parameter name (
q,k,query, etc.) - Engine-specific optional parameters
Engine Selection
Pick the engine based on user intent:
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 2d ago First seen · 155 lines · 86 tokens per session scan A 0381625c44cb
search is a skill published in the GitHub repository serpapi/serpapi-claude-plugin (13 stars, last pushed 9d ago), licensed MIT. It adds 86 tokens to every session and 2,303 once invoked, about $0.0004 per session on Opus 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 2026-08-30.
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