# demo.st

**Canonical:** https://apis.io/providers/demo-st/  
**Website:** https://demo.st/  
**APIs profiled:** 2

demo.st is a "demo stage for vibe-coded prototypes": a hosting service that lets people who build prototypes with AI coding agents (Cursor, Bolt, Claude Desktop and similar) reserve a subdomain such as project-name.demo.st and publish a static site (a zip of HTML, CSS and JS, up to 10MB) without DevOps. It is MCP-native - agents connect to its MCP endpoint with a bearer token to reserve subdomains and upload sites - and it offers an optional document API at api.demo.st/v1 that a published static site can call with a per-site API key (dk_...).

## Kin Score — 16.4 / 100 (emerging)

Scored 2026-11-06 under rubric 0.27.0.

| Facet | Score |
|---|---|
| Discoverability | 65.0 |
| Contract Quality | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 5.3 |
| Developer Ergonomics | 21.4 |
| Access Clarity | 21.1 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 19.6 (matched via fallback).

## Agent readiness — 8.5 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | documented |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |
| Pagination Ratio | na |
| Operation Distinctiveness | na |
| MCP Tool Quality | na |

## Access

Unknown — onboarding: unknown, pricing: unknown, trial: no (confidence: low).

## APIs (2)

- **demo.st Document API** — Optional JSON document store at api.demo.st - collections and records scoped to a site API key - that a static site published on demo.st can call from the browser. The homepage ...
- **demo.st MCP Server** — Remote MCP server (streamable HTTP, POST) for AI coding agents to check subdomain availability, reserve and release subdomains, upload or clear a static site, manage the site AP...

## MCP servers (1)

- **demo.st MCP Server** — Official remote MCP server for demo.st. Tool list below is the verbatim result of a live tools/list call (JSON-RPC initialize + tools/list against the endpoint advertised at htt...

## Security (2)

- **Demo St Authentication** — http · 2 schemes
- **Demo St Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **Demo St Plans Pricing**

## Tags

Company, Hosting, Static Site Hosting, Prototyping, MCP, AI Agents, Developer Tools, Document-Api

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/demo-st/). Scores are computed from the provider's own public artifacts under a published rubric.