answers

Q: How do I install answers?

Run npx skills add https://github.com/brave/brave-search-skills --skill answers in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/answers/ (personal) or .claude/skills/answers/ (project).

by brave OfficialProductivity & Automation

USE FOR AI-grounded answers via OpenAI-compatible /chat/completions. Two modes: single-search (fast) or deep research (enableresearch=true, thorough multi-search). Streaming/blocking. Citations.

Installs: 1.2K
Last 24h: —
Trending rank: —
Security: Not audited

Install

Works with every agent the skills CLI supports.

npx skills add https://github.com/brave/brave-search-skills --skill answers

01
Install
Run the command in your project. The CLI asks which agents to install for.
02
Describe the task
Ask your agent for something this skill covers. It loads answers automatically when relevant.
03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.

SKILL.md

The instructions your agent reads when the skill is triggered.

Answers — AI Grounding

Requires API Key: Get one at https://api.search.brave.com

Plan: Included in the Answers plan. See https://api-dashboard.search.brave.com/app/subscriptions/subscribe

When to Use

Use Case	Skill	Why
Quick factual answer (raw context)	`llm-context`	Single search, returns raw context for YOUR LLM
Fast AI answer with citations	`answers` (single-search)	streaming, citations
Thorough multi-search deep research	`answers` (research mode)	Iterative deep research, synthesized cited answer

This endpoint (/res/v1/chat/completions) supports two modes:

Single-search (default): Fast AI-grounded answer from a single search. Supports enable_citations.
Research (enable_research=true): Multi-iteration deep research with progress events and synthesized cited answer.

Quick Start (cURL)

Blocking (Single-Search)

curl -X POST "https://api.search.brave.com/res/v1/chat/completions" \
  -H "Content-Type: application/json" \
  -H "X-Subscription-Token: ${BRAVE_SEARCH_API_KEY}" \
  -d '{
    "messages": [{"role": "user", "content": "How does the James Webb Space Telescope work?"}],
    "stream": false
  }'

Streaming with Citations (Single-Search)

curl -X POST "https://api.search.brave.com/res/v1/chat/completions" \
  -H "Content-Type: application/json" \
  -H "X-Subscription-Token: ${BRAVE_SEARCH_API_KEY}" \
  -d '{
    "messages": [{"role": "user", "content": "What are recent breakthroughs in fusion energy?"}],
    "stream": true,
    "enable_citations": true
  }'

Research Mode

curl -X POST "https://api.search.brave.com/res/v1/chat/completions" \
  -H "Content-Type: application/json" \
  -H "X-Subscription-Token: ${BRAVE_SEARCH_API_KEY}" \
  -d '{
    "messages": [{"role": "user", "content": "Compare quantum computing approaches"}],
    "stream": true,
    "enable_research": true,
    "research_maximum_number_of_iterations": 3,
    "research_maximum_number_of_seconds": 120
  }'

Endpoint

POST https://api.search.brave.com/res/v1/chat/completions

Authentication: X-Subscription-Token: <API_KEY> header (or Authorization: Bearer <API_KEY>)

SDK Compatible: Works with OpenAI SDK via base_url="https://api.search.brave.com/res/v1"

Two Modes

Feature	Single-Search (default)	Research (`enable_research=true`)
Speed	Fast	Slow
Searches	1	Multiple (iterative)
Streaming	Optional (`stream=true/false`)	Required (`stream=true`)
Citations	`enable_citations=true` (streaming only)	Built-in (in `<answer>` tag)
Progress events	No	Yes (`<progress>` tags)
Blocking response	Yes (`stream=false`)	No

Parameters

Standard Parameters

Parameter	Type	Required	Default	Description
`messages`	array	Yes	-	Single user message (exactly 1 message)
`stream`	bool	No	true	Enable SSE streaming
`country`	string	No	"US"	Search country (2-letter country code or `ALL`)
`language`	string	No	"en"	Response language
`safesearch`	string	No	"moderate"	Search safety level (`off`, `moderate`, `strict`)
`max_completion_tokens`	int	No	null	Upper bound on completion tokens
`enable_citations`	bool	No	false	Include inline citation tags (single-search streaming only)
`web_search_options`	object	No	null	OpenAI-compatible; `search_context_size`: `low`, `medium`, `high`

Research Parameters

Parameter	Type	Required	Default	Description
`enable_research`	bool	No	`false`	Enable research mode
`research_allow_thinking`	bool	No	`true`	Enable extended thinking
`research_maximum_number_of_tokens_per_query`	int	No	`8192`	Max tokens per query (1024-16384)
`research_maximum_number_of_queries`	int	No	`20`	Max total search queries (1-50)
`research_maximum_number_of_iterations`	int	No	`4`	Max research iterations (1-5)
`research_maximum_number_of_seconds`	int	No	`180`	Time budget in seconds (1-300)
`research_maximum_number_of_results_per_query`	int	No	`60`	Results per search query (1-60)

Constraints (IMPORTANT)

Constraint	Error
`enable_research=true` requires `stream=true`	"Blocking response doesn't support 'enable_research' option"
`enable_research=true` incompatible with `enable_citations=true`	"Research mode doesn't support 'enable_citations' option"
`enable_citations=true` requires `stream=true`	"Blocking response doesn't support 'enable_citations' option"

OpenAI SDK Usage

Blocking (Single-Search)

from openai import OpenAI

client = OpenAI(
    base_url="https://api.search.brave.com/res/v1",
    api_key="your-brave-api-key",
)

response = client.chat.completions.create(
    model="brave",
    messages=[{"role": "user", "content": "How does the James Webb Space Telescope work?"}],
    stream=False,
)
print(response.choices[0].message.content)

Streaming with Citations (Single-Search)

from openai import OpenAI

client = OpenAI(
    base_url="https://api.search.brave.com/res/v1",
    api_key="your-brave-api-key",
)

stream = client.chat.completions.create(
    model="brave",
    messages=[{"role": "user", "content": "What are the current trends in renewable energy?"}],
    stream=True,
    extra_body={"enable_citations": True}
)

for chunk in stream:
    if chunk.choices[0].delta.content:
        print(chunk.choices[0].delta.content, end="")

Research Mode

from openai import AsyncOpenAI

client = AsyncOpenAI(
    base_url="https://api.search.brave.com/res/v1",
    api_key="your-brave-api-key",
)

stream = await client.chat.completions.create(
    model="brave",
    messages=[{"role": "user", "content": "Compare quantum computing approaches"}],
    stream=True,
    extra_body={
        "enable_research": True,
        "research_maximum_number_of_iterations": 3,
        "research_maximum_number_of_seconds": 120
    }
)

async for chunk in stream:
    if chunk.choices[0].delta.content:
        print(chunk.choices[0].delta.content, end="", flush=True)

Response Format

Blocking Response (`stream=false`, single-search only)

Standard OpenAI-compatible JSON:

{
  "id": "chatcmpl-...",
  "object": "chat.completion",
  "choices": [{"message": {"role": "assistant", "content": "The James Webb Space Telescope works by..."}, "index": 0, "finish_reason": "stop"}],
  "usage": {"prompt_tokens": 10, "completion_tokens": 50, "total_tokens": 60}
}

Streaming Response

SSE response with OpenAI-compatible chunks:

data: {"id":"chatcmpl-...","object":"chat.completion.chunk","choices":[{"delta":{"content":"Based on"},"index":0}]}

data: {"id":"chatcmpl-...","object":"chat.completion.chunk","choices":[{"delta":{"content":" recent research"},"index":0}]}

data: [DONE]

Streaming Tags by Mode

Single-Search (with `enable_citations=true`)

Tag	Purpose
`<citation>`	Inline citation references
`<usage>`	JSON cost/billing data

Research Mode

Tag	Purpose	Keep?
`<queries>`	Generated search queries	Debug
`<analyzing>`	URL counts (verbose)	Debug
`<thinking>`	URL selection reasoning	Debug
`<progress>`	Stats: time, iterations, queries, URLs analyzed, tokens	Monitor
`<blindspots>`	Knowledge gaps identified	Yes
`<answer>`	Final synthesized answer (only the final answer is emitted; intermediate drafts are dropped)	Yes
`<usage>`	JSON cost/billing data (included at end of streaming response)	Yes

Usage Tag Format

The <usage> tag contains JSON-stringified cost and token data:

<usage>{"X-Request-Requests":1,"X-Request-Queries":8,"X-Request-Tokens-In":15000,"X-Request-Tokens-Out":2000,"X-Request-Requests-Cost":0.005,"X-Request-Queries-Cost":0.032,"X-Request-Tokens-In-Cost":0.075,"X-Request-Tokens-Out-Cost":0.01,"X-Request-Total-Cost":0.122}</usage>

Use Cases

Chat interface integration: Drop-in OpenAI SDK replacement with web-grounded answers. Set base_url="https://api.search.brave.com/res/v1".
Deep research / comprehensive topic research: Use research mode (enable_research=true) for complex questions needing multi-source synthesis (e.g., "Compare approaches to nuclear fusion").
OpenAI SDK drop-in: Same SDK, same streaming format — just change base_url and api_key. Works with both sync and async clients.
Cited answers: Enable enable_citations=true in single-search mode for inline citation tags, or use research mode which automatically includes citations in its answer.

Notes

Timeout: Set client timeout to at least 30s for single-search, 300s (5 min) for research
Single message: The messages array must contain exactly 1 user message
Cost monitoring: Parse the <usage> tag from streaming responses to track costs

FAQ

What does the answers skill do?

USE FOR AI-grounded answers via OpenAI-compatible /chat/completions. Two modes: single-search (fast) or deep research (enableresearch=true, thorough multi-search). Streaming/blocking. Citations.

How do I install answers?

Run npx skills add https://github.com/brave/brave-search-skills --skill answers in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/answers/ (personal) or .claude/skills/answers/ (project).

Which AI agents can use answers?

Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.

Is answers safe to install?

No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.

Who maintains answers?

It is published by brave in brave/brave-search-skills, and it is an official skill from the maker of the technology it covers. It has 1,221 recorded installs.

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answers

Install

Install

Describe the task

Review the result

SKILL.md

Answers — AI Grounding

When to Use

Quick Start (cURL)

Blocking (Single-Search)

Streaming with Citations (Single-Search)

Research Mode

Endpoint

Two Modes

Parameters

Standard Parameters

Research Parameters

Constraints (IMPORTANT)

OpenAI SDK Usage

Blocking (Single-Search)

Streaming with Citations (Single-Search)

Research Mode

Response Format

Blocking Response (stream=false, single-search only)

Streaming Response

Streaming Tags by Mode

Single-Search (with enable_citations=true)

Research Mode

Usage Tag Format

Use Cases

Notes

FAQ

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Blocking Response (`stream=false`, single-search only)

Single-Search (with `enable_citations=true`)