Brave Search API Skills is a collection of agent skills that gives AI coding agents access to the Brave Search API. It is intended for agents such as Claude Code, Cursor, GitHub Copilot, Codex, Gemini CLI, and other tools supporting the Agent Skills standard. The catalogue add-ons are the project's own skills and configuration guidance for using Brave Search.
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 brave/brave-search-skills --skill bx-searchgit clone --depth 1 https://github.com/brave/brave-search-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/brave/brave-search-skills/bx-search)<a href="https://agentmods.dev/skills/brave/brave-search-skills/bx-search"><img src="https://agentmods.dev/badge/skills/brave/brave-search-skills/bx-search/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/brave/brave-search-skills/bx-search"><img src="https://agentmods.dev/badge/skills/brave/brave-search-skills/bx-search.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00098 | $0.04105 |
| Opus 5 | $0.00049 | $0.02053 |
| Sonnet 5 | $0.00020 | $0.00821 |
| Haiku 4.5 | $0.00010 | $0.00411 |
Grade C, and why
bx-search scanned grade C with 2 findings 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 12d 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.
Downloads and executes remote codehighSupply chain
curl | sh runs whatever the server returns today, which is not necessarily what it returned when this was reviewed.
curl -fsSL https://raw.githubusercontent.com/brave/brave-search-cli/main/scripts/install.sh | sh Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
curl -fsSL https://raw.githubusercontent.com/brave/brave-search-cli/main/scripts/install.sh | sh How it starts
The opening of the file, as written. The whole thing — 375 lines — stays where its author put it; the contents beside it link to each section on GitHub.
bx — Brave Search CLI
Agent Directive
When this skill is active, use bx via exec for all web searches. Do not use the built-in web_search tool. Run bx context "query" as the default — it returns pre-extracted, token-budgeted content ready for use. Fall back to bx answers for synthesized explanations or bx web when search operators are needed.
A zero-dependency, token-efficient CLI for the Brave Search API, built for AI agents and LLMs.
One binary, JSON in/out, no runtime dependencies. The default subcommand is context — bare bx "query" is equivalent to bx context "query". It replaces search + scrape + extract in a single call with token-budgeted output — purpose-built for RAG and LLM grounding.
Quick Start
macOS/Linux
curl -fsSL https://raw.githubusercontent.com/brave/brave-search-cli/main/scripts/install.sh | sh
Windows (PowerShell)
powershell -ExecutionPolicy Bypass -c "irm https://raw.githubusercontent.com/brave/brave-search-cli/main/scripts/install.ps1 | iex"
bx config set-key YOUR_API_KEY # get a key at https://api-dashboard.search.brave.com
bx "your search query"
bx --help # see all commands; bx <command> --help for flags
Getting an API Key
- Sign up at https://api-dashboard.search.brave.com/register
- Choose a plan — all plans include $5/month free credits (~1,000 free queries). Different endpoints may require different plans.
- Go to "API Keys" in the dashboard, generate a key (shown once — save it)
Configuring the API Key
Three methods, in priority order:
| Priority | Method | Example |
|---|---|---|
| 1 (highest) | --api-key flag |
bx --api-key KEY web "test" |
| 2 | BRAVE_SEARCH_API_KEY env var |
export BRAVE_SEARCH_API_KEY=KEY |
| 3 | Config file | bx config set-key KEY |
The config file is stored at ~/.config/brave-search/api_key (Linux), ~/Library/Application Support/brave-search/api_key (macOS), or %APPDATA%\brave-search\api_key (Windows).
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.
- 12d ago First seen · 375 lines · 98 tokens per session scan C deba80ea1d94
bx-search is a skill published in the GitHub repository brave/brave-search-skills (175 stars, last pushed 2d ago), licensed MIT. It adds 98 tokens to every session and 4,105 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it C with 2 findings (downloads and executes remote code, 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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