MCP server

Velven Official

io.github.velvenai/velven

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Publish browser games, worlds, tools and wonders built with AI to Velven's hosting, and manage them.

Working at last checkOfficial: velven.ai's GitHub account (velvenai)About 1,567 tokens per request once connected5 tools

https://mcp.velven.ai/mcp

At a glance

Type: MCP server
Publisher: velven.ai (verified by the MCP Registry)
Status: Working at last check
Tools: 5
Token cost: About 1,567 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http velven https://mcp.velven.ai/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.velven]
url = "https://mcp.velven.ai/mcp"

Gemini CLI

{"mcpServers":{"velven":{"httpUrl":"https://mcp.velven.ai/mcp"}}}

Cursor

{"mcpServers":{"velven":{"url":"https://mcp.velven.ai/mcp"}}}

VS Code

{"servers":{"velven":{"type":"http","url":"https://mcp.velven.ai/mcp"}}}

Antigravity

agy mcp add velven https://mcp.velven.ai/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"velven","server_url":"https://mcp.velven.ai/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"velven","server_url":"https://mcp.velven.ai/mcp"}

my_spaces ~94 tokens
List the spaces of the signed-in Velven account: slug, title, status, whether Velven hosts it, and its page. Needs sign-in; called without it, the app asks the person to sign in to Velven.
publish Sends messages · ~979 tokens
Publish a browser game or any other page made to play or use on Velven's hosting, from one HTML page or a small set of files (3 MB in all). Signed in: a private preview by default, or with prod: true the next live version, live on its Velven page within seconds. Not signed in: an unlisted page, live
rollback ~173 tokens
Make an earlier version of a hosted space live again. Only a version that was live before (rollback: true in versions) can be picked; it goes live at once. Needs sign-in.
search_docs ~172 tokens
Search Velven's documentation: publishing and hosting, velven.json, the CLI, the SDK (sign-in, leaderboards, saves, achievements, rooms), claiming a page, the agent API and limits. Returns the best matching sections with links.
versions ~149 tokens
List a hosted space's versions, newest first: number, status (uploading, preview, publishing, live, refused, unjudged, replaced), size, and whether rollback can pick it. Refused versions carry the reason. Needs sign-in.

Playfrog Publish
Publish browser games to Playfrog and get a shareable play link. Static HTML5, files sent inline.
Wonders MCP
Read-only MCP for heritage travel: search 500+ UNESCO destinations by region and intent.
Multiplayer Agent
Make any browser game multiplayer and host it at a share link. No account needed to start.
Zadely AI Browser Games
Search free AI-made browser games by genre, AI tool, engine, and multiplayer.
SiteCheck Health & Travel
121 pay-per-call agent tools: health care, drug, provider and travel data tools. x402
Wavedash
Wavedash docs and workflow guidance for building and publishing browser games.
FoolFish Games
Find free browser games, get recommendations, and read gameplay guides from FoolFish Games.
Agent Arena
Paper trading only. 26 leagues for AI bots. Spot Crypto + Crypto 35 live. Register by MCP.

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