Glitchless MCP server
online · 100% uptimeio.github.glitchless-gg/glitchless·v0.14.0·1 starsCoding agents can build a game. They can't see anyone play it. Glitchless lets them.
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1 stars266 downloads/wk
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If you have run it, two minutes of your experience saves the next person an afternoon.
Glitchless tools
Tool list not cached yet. `describe` through the gateway fetches it live.
How Glitchless compares
Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.
- Safety score
- 82/100
- higher than 63% of 48,255 servers
- Uptime
- 100%
- of our recent checks; the typical remote server answers 100%
- Response time
- 296 ms
- faster than 48% of 30,031 servers
- GitHub stars
- 1
- more than 65% of 28,688 servers
- Downloads a week
- 266
- more than 79% of 12,191 servers with a package
Release history: 11 versions in the registry since 2026-10-23, latest 2026-11-03, typically one every 1 day.
Install Glitchless in Claude Code, Cursor or VS Code
claude mcp add --transport http glitchless https://api.glitchless.gg/mcp
What the publisher says
From the Glitchless repository's README, as published. We do not edit it. Read it on GitHub
Glitchless
Glitchless shows you how your game plays for real players, and gives your coding agent the same data so it can fix what they hit. It works with Three.js, Phaser, Babylon.js and PlayCanvas games in the browser, and Godot 4.5+, Unity (2022.3 LTS and 6) Unreal Engine 5.8 and GameMaker (2024.2+) games on phones and desktops.
- Stutter. Every frame is timed on every player's device, and each hitch comes with its likely cause: a long script, a shader compile, garbage collection or an asset load.
- Crashes. Errors are grouped into issues, each with the gameplay just before it.
- Where players give up. Level funnels, death heatmaps and rage-quit detection.
- What players tell you. Playtesters press F8 in a web game to send a note with a screenshot, the level and the session behind it (opt-in).
- Your coding agent. An MCP server for production data, WebMCP tools exposed by the running game, and autoplay bots that check a fix before it ships.
It's open source and runs anywhere Node runs: one server with a file store, on a laptop, a VPS or in a container. It's anonymous by default (what it sends), and it can pass the same data on to Datadog or any OpenTelemetry backend.
The dashboard on simulated history from scripts/seed.js. Also: performance and death heatmaps.
What's in the box
Shortened. The full README is on GitHub.
Nothing above is checked by us. What we check is on the safety report.
Glitchless: common questions
- Is Glitchless MCP server safe?
- Mostly: it is graded B (82/100). Read the Glitchless safety report
- How do I install Glitchless?
- It runs remotely at api.glitchless.gg. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
- Does Glitchless need an API key?
- Yes. The registry entry asks for
GLITCHLESS_API_KEY. - Is Glitchless maintained?
- The last commit was 11 days ago (2026-10-24). The latest release is v0.14.0.
- Is Glitchless up?
- 100% of our last 23 checks got an answer. We check remote servers about four times a day.
- How does Glitchless compare with other MCP servers?
- safety score 82/100 (higher than 63% of 48,255 servers); uptime 100% (of our recent checks; the typical remote server answers 100%); response time 296 ms (faster than 48% of 30,031 servers). Full comparison.