---
title: "Grail Computer Developer Resources"
description: "Public interfaces that help developers and agents discover, search, and cite Grail Computer content."
canonical: "https://grail.computer/developers"
last-modified: "2026-08-23"
---

# Grail Computer Developer Resources

> Public interfaces that help developers and agents discover, search, and cite Grail Computer content.

The discovery API and public-content MCP server are read-only and do not require authentication. Grail Computer does not currently publish a customer action API or webhook API.

## API resources

- [OpenAPI specification](https://grail.computer/openapi.json): OpenAPI 3.1 description of the public discovery API.
- [Versioned search endpoint](https://grail.computer/api/v1/nlweb/search?q=software+takeover): Search public Grail Computer pages.
- [Versioned answer endpoint](https://grail.computer/api/v1/nlweb/ask?q=What+does+Grail+Computer+do%3F): Return a concise answer with public sources.
- [MCP server card](https://grail.computer/.well-known/mcp/server-card.json): Describe the read-only public-content MCP server and its tools.

## Discovery resources

- [llms.txt](https://grail.computer/llms.txt): Curated agent index.
- [NLWeb discovery](https://grail.computer/nlweb.json): JSON discovery metadata.
- [Sitemap](https://grail.computer/sitemap.xml): Public URL inventory.
- [Robots policy](https://grail.computer/robots.txt): Crawler access policy.