Call Exa Search (POST /search) for semantic web retrieval with ranked results, filters, freshness, highlights/text, structured output, or streaming. Use when the agent needs open-ended web search, competitor discovery, news, people, or research papers and does not already have URLs. Prefer Exa MCP web_search_exa / web_search_advanced_exa when available; otherwise raw HTTP with EXA_API_KEY. NOT for known-URL extraction (use exa-contents or firecrawl) or multi-step list-building (use company-research / lead-generation / Agent API).
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name
exa-search
version
0.1.0
description
Call Exa Search (POST /search) for semantic web retrieval with ranked results, filters, freshness, highlights/text, structured output, or streaming. Use when the agent needs open-ended web search, competitor discovery, news, people, or research papers and does not already have URLs. Prefer Exa MCP web_search_exa / web_search_advanced_exa when available; otherwise raw HTTP with EXA_API_KEY. NOT for known-URL extraction (use exa-contents or firecrawl) or multi-step list-building (use company-research / lead-generation / Agent API).
allowed-tools
["Bash","Read","Write","Skill"]
author
Exa Labs (ported by mktg)
license
MIT
user-invocable
true
metadata
{"openclaw":{"emoji":"🔍"}}
On Activation
Read brand/positioning.md, brand/competitors.md, and brand/landscape.md if present. Use them to sharpen queries and exclusions. All optional - works at zero brand context.
Confirm Exa auth: Exa MCP connected, or EXA_API_KEY set (mktg doctor --json --fields integrations). If neither, stop and surface: get a key at https://dashboard.exa.ai/api-keys then export EXA_API_KEY=....
Prefer MCP tools when present; otherwise use the cURL examples below.
After discovery, chain firecrawl or exa-contents only when a known URL needs deeper extraction.
Use POST https://api.exa.ai/search for semantic web retrieval, ranked results, and optional result-level extraction in one raw HTTP call. Start with type: "auto" for general retrieval. Add contents only when the caller needs page text, highlights, summaries, freshness-controlled crawling, subpages, or extracted links.
curl -sS -X POST "https://api.exa.ai/search" \
-H "Content-Type: application/json" \
-H "x-api-key: $EXA_API_KEY" \
-d '{
"query": "map the major technical and commercial tradeoffs in sodium-ion batteries for grid storage",
"type": "deep",
"numResults": 8
}'
Endpoint
POST https://api.exa.ai/search
Authentication: x-api-key: <API_KEY> header. Exa also accepts Authorization: Bearer <API_KEY>, but prefer x-api-key in cURL examples for consistency.
Use this endpoint when the agent needs search results. If the agent already has URLs and only needs extraction, use POST /contents instead.
Parameters
Core request parameters
Parameter
Type
Required
Default
Description
query
string
Yes
-
Natural-language search query. Long, semantically rich descriptions work well.
type
string
No
auto
Search method: auto, fast, instant, deep-lite, deep, or deep-reasoning.
numResults
integer
No
10
Number of results to return. Use small values for agent loops; maximum is 100.
category
string
No
-
Specialized result type: company, people, research paper, news, personal site, or financial report.
includeDomains
string[]
No
-
Only return results from these domains, paths, or wildcard patterns. Max 1200.
excludeDomains
string[]
No
-
Exclude these domains, paths, or wildcard patterns. Max 1200.
startPublishedDate
string
No
-
ISO 8601 lower bound for result publication date.
endPublishedDate
string
No
-
ISO 8601 upper bound for result publication date.
userLocation
string
No
-
Two-letter ISO country code such as US or GB.
moderation
boolean
No
false
Filter unsafe content from results.
additionalQueries
string[]
No
-
Extra query variants for deep-search variants. Use alongside the main query.
systemPrompt
string
No
-
Instructions for synthesized output and deep-search planning, such as source preferences.
outputSchema
object
No
-
JSON Schema controlling output.content. Adds synthesized output and grounding.
stream
boolean
No
false
If true, returns SSE instead of a single JSON response.
compliance
string
No
-
Enterprise-only compliance mode, such as hipaa, when enabled for the account.
Content parameters nested under contents
On /search, text, highlights, and summary must be nested under contents.
Parameter
Type
Required
Default
Description
contents.text
boolean or object
No
-
Return full page text as markdown. Object form supports maxCharacters, includeHtmlTags, verbosity, includeSections, and excludeSections.
contents.highlights
boolean or object
No
-
Return query-relevant excerpts. Prefer true for agent workflows unless a fixed character budget is required.
contents.summary
boolean or object
No
-
Return per-result LLM summaries. Use sparingly because each result adds synthesis work.
contents.maxAgeHours
integer
No
-
Freshness control. 0 always live crawls; -1 uses cache only; omit for default cache-first behavior with crawl fallback.
contents.livecrawlTimeout
integer
No
10000
Timeout for live crawling in milliseconds. Use 10000 to 15000 for most freshness-sensitive calls.
contents.subpages
integer
No
0
Number of linked subpages to crawl per result.
contents.subpageTarget
string or string[]
No
-
Terms used to prioritize which subpages matter, such as ["api", "pricing"].
contents.extras.links
integer
No
0
Number of links to extract from each result page.
contents.extras.imageLinks
integer
No
0
Number of image URLs to extract from each result page.
Text object options
Parameter
Type
Default
Description
maxCharacters
integer
-
Character limit for returned text. Use this instead of tokensNum.
includeHtmlTags
boolean
false
Preserve HTML tags in output.
verbosity
string
compact
compact, standard, or full. Pair fresh section-aware extraction with contents.maxAgeHours: 0.
includeSections
string[]
-
Only include selected sections: header, navigation, banner, body, sidebar, footer, metadata.
excludeSections
string[]
-
Exclude selected sections from the same section list.
Highlights object options
Prefer contents.highlights: true for the highest-quality default. Only use object form when the agent needs a custom focus or budget.
Parameter
Type
Default
Description
query
string
-
Custom query guiding which excerpts are returned.
maxCharacters
integer
-
Cap highlight characters per URL. Omit unless the caller has a strict budget.
Summary object options
Parameter
Type
Default
Description
query
string
-
Custom query for the summary.
schema
object
-
JSON Schema for structured per-result summaries.
Search Types
Search type controls the retrieval and synthesis mode. Pick the mode for the workflow, not just the output format. outputSchema can be used with any search type; use deeper modes when the search process itself needs more planning, synthesis, or reasoning.
Type
Best for
Tradeoff
auto
General default search and most new integrations
Balances speed and quality without requiring the caller to tune retrieval strategy.
fast
Low-latency agent loops and product paths
Faster than auto; use when responsiveness matters more than maximum reasoning depth.
instant
Real-time UI, chat, voice, and autocomplete-style paths
Lowest latency path; use for quick retrieval rather than deep synthesis.
deep-lite
Lightweight research or synthesis
Adds more planning and synthesis than auto while staying lighter than full deep.
deep
Multi-step research, comparisons, and synthesis-heavy retrieval
Higher latency; better when the query needs exploration across several sources.
deep-reasoning
Hard research tasks with high ambiguity or complex tradeoffs
Highest latency and reasoning depth.
Use auto unless latency or reasoning depth is the primary constraint. Use fast or instant for time-sensitive calls. Use deep, deep-lite, or deep-reasoning when the query needs multi-step source discovery, comparison, or synthesis.
Mode-only examples
{"query":"recent product launches from major AI chip companies","type":"fast","numResults":5}
{"query":"compare competing explanations for the recent rise in grid-scale battery deployments","type":"deep","numResults":8}
Structured Output
Use systemPrompt for behavior and outputSchema for shape.
Keep schemas compact and bounded. Do not add citation fields to the schema; grounding is returned separately in output.grounding.
Streaming
Streaming applies to synthesized output, so include outputSchema along with -N, Accept: text/event-stream, and stream: true. Without outputSchema, the endpoint returns the normal JSON search response even when stream is true.
Treat streaming as SSE rather than JSON. Each data: frame contains an OpenAI-compatible chat completion chunk; read partial text from choices[0].delta.content and handle completion or error frames defensively.
Response Fields
Field
Type
Description
requestId
string
Unique request identifier.
results
array
Ranked result objects.
results[].title
string
Page title.
results[].url
string
Page URL.
results[].publishedDate
string or null
Estimated publication date when available.
results[].author
string or null
Author when available.
results[].text
string
Returned when contents.text is requested.
results[].highlights
string[]
Returned when contents.highlights is requested.
results[].highlightScores
number[]
Similarity scores for highlights.
results[].summary
string
Returned when contents.summary is requested.
results[].subpages
array
Nested result objects from subpage crawling.
results[].extras.links
string[]
Extracted links when requested.
output.content
string or object
Synthesized output when outputSchema is provided.
output.grounding
array
Citations and confidence labels for synthesized fields.
costDollars.total
number
Total request cost when returned.
searchTime
number
Search latency when returned.
Anti-Patterns
Keep text, highlights, and summary inside contents on /search.
Do not send top-level text, highlights, or summary; that shape belongs to /contents.
Do not send tokensNum; use contents.text.maxCharacters to cap extracted text.
Do not use useAutoprompt, numSentences, or highlightsPerUrl in new requests.
Prefer contents.maxAgeHours over older livecrawl examples.
Use documented categories only: company, people, research paper, news, personal site, and financial report.
Avoid invalid category/filter combinations. company and people do not support startPublishedDate or endPublishedDate. company supports excludeDomains; people does not, and people only accepts LinkedIn domains in includeDomains.
Pick one of contents.highlights, contents.text, or contents.summary by default. Stack modes only when the caller truly needs multiple views of each page.
Expect SSE only when stream: true is paired with outputSchema; otherwise /search returns its normal JSON response.
Attribution
Ported from exa-labs/agent-skills - adapted for mktg's drop-in contract on 2026-07-18.
