NLWeb — conversational interface discovery
type: TechArticle
description: NLWeb is an emerging convention for exposing a site as a conversational AI endpoint. A site advertises an `/ask`-style endpoint via a `rel="nlweb"` link and serves an MCP-compatible JSON-RPC interface that agents can query in natural language.
language: en
is part of: Web Specification Studio
author: Web Specification Studio
publisher: Web Specification Studio
license: https://creativecommons.org/licenses/by/4.0/
date modified: 2026-05-29T12:14:17.000Z
citation: microsoft/NLWeb on GitHub
  type: CreativeWork
  publisher: Microsoft
citation: NLWeb — REST API
  type: CreativeWork
  publisher: Microsoft
citation: schema.org
  type: CreativeWork
  publisher: schema.org

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item list element: Home
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  position: 1
  item: https://webspecification.com/
item list element: Spec
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item list element: Agent Readiness
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item list element: NLWeb — conversational interface discovery
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  position: 4
  item: https://webspecification.com/spec/agent-readiness/nlweb/