OpenSearch description
A small XML file, linked from a page with rel="search", that gives a URL template for searching the site so browsers and agents can run a search without filling in a form. CrawlCheck's agent task canaries look for one when they try to search a store's catalogue.
What OpenSearch description does not show
It declares how to search; it does not show the search returns useful results.
Terms this definition uses
Related terms in Agents and protocols
How autonomous agents plan, remember, call tools and talk to each other, including MCP and A2A, and where each step can go wrong.
traceparent · JSON Schema · protected-resource metadata · token audience · PKCE · refresh token · default scope request · tool poisoning · tool lockfile · MCP rug pull · tool shadowing · MCP preflight · agent manifest · stapled verdict · verdict over DNS · agentic web · preflight · decision receipt · receipt header · action assurance · resolve answer · freshness window · AI agent · Agent loop · Planner · Executor · Agent memory · Working memory · Long-term memory · Episodic memory · Semantic memory · Agent orchestration · Multi-agent system · Agent handoff · Delegation · Tool result · Tool schema · Tool description · Tool selection · Tool permission · Human-in-the-loop · Human-on-the-loop · Approval gate · Agent sandbox · Agent identity · Agent authorization · Agent discovery · Capability negotiation · MCP server · MCP client · MCP host · MCP resource · MCP prompt · MCP tool · MCP transport · JSON-RPC · A2A protocol · A2A client · A2A server · Agent skill · Agent task · Agent artifact · WebMCP · A2A
Questions about OpenSearch description
What is OpenSearch description?
A small XML file, linked from a page with rel="search", that gives a URL template for searching the site so browsers and agents can run a search without filling in a form. CrawlCheck's agent task canaries look for one when they try to search a store's catalogue.
What does OpenSearch description not show or guarantee?
A small XML file, linked from a page with rel="search", that gives a URL template for searching the site so browsers and agents can run a search without filling in a form. It declares how to search; it does not show the search returns useful results.
Which area of the glossary does OpenSearch description belong to?
Agents and protocols: How autonomous agents plan, remember, call tools and talk to each other, including MCP and A2A, and where each step can go wrong.
See it in the full glossary · 772 terms across 19 areas.
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