---
name: "xpay-quakelive-render-demo-preview"
description: "Render a quick 480p/25fps preview clip from a demo. Use this FIRST to verify you have the right moment before a full-quality render. The demo is cut to the given server-time range (plus padding) and rendered completely in the background via xvfb-run + wolfcamql + ffmpeg. start_time_ms / end_time_ms come directly from seek_demo or get_frame_state server_time_ms values. Blocks until render is done. Requires WOLFCAMQL_BIN, WOLFCAMQL_BASEPATH env vars and xvfb-run + ffmpeg to be installed."
version: "1.0.0"
price: "$0.02/call"
provider: "Mcps"
---

# Render Demo Preview

Render a quick 480p/25fps preview clip from a demo. Use this FIRST to verify you have the right moment before a full-quality render. The demo is cut to the given server-time range (plus padding) and rendered completely in the background via xvfb-run + wolfcamql + ffmpeg. start_time_ms / end_time_ms come directly from seek_demo or get_frame_state server_time_ms values. Blocks until render is done. Requires WOLFCAMQL_BIN, WOLFCAMQL_BASEPATH env vars and xvfb-run + ffmpeg to be installed.

**Provider:** Mcps
**Price:** $0.02/call
**Pricing model:** Flat rate per call

## When to Use

Use this tool when you need to render a quick 480p/25fps preview clip from a demo. use this first to verify you have the right moment before a full-quality render. the demo is cut to the given server-time range (plus padding) and rendered completely in the background via xvfb-run + wolfcamql + ffmpeg. start_time_ms / end_time_ms come directly from seek_demo or get_frame_state server_time_ms values. blocks until render is done. requires wolfcamql_bin, wolfcamql_basepath env vars and xvfb-run + ffmpeg to be installed.. This is part of the Mcps provider on xpay✦.

## MCP Connection

Connect to xpay✦ to access this tool (and 87+ others):

```json
{
  "mcpServers": {
    "xpay": {
      "url": "https://mcp.xpay.sh/mcp?key=YOUR_API_KEY"
    }
  }
}
```

For Claude Code:
```bash
claude mcp add --transport http xpay "https://mcp.xpay.sh/mcp?key=YOUR_API_KEY"
```

## How to Execute

Use the xpay✦ meta-tools to run this tool:

1. **`xpay_details`** — Get full input schema: `xpay_details("quakelive/render_demo_preview")`
2. **`xpay_run`** — Execute: `xpay_run("quakelive/render_demo_preview", { ...inputs })`

## Input Parameters

| Parameter | Type | Required | Description |
|-----------|------|----------|-------------|
| `demo_path` | string | Yes | Path to the .dm_91 file (relative to DEMO_PATH or absolute). Obtained from list_demos or search_demos. |
| `end_time_ms` | integer,null | No | Clip end in server milliseconds. Use the server_time_ms value from seek_demo or get_frame_state. Omit to render to the end. |
| `output_path` | string,null | No | Output video file path. Auto-generated alongside the source demo if omitted. |
| `padding_ms` | integer,null | No | Extra context padding before start_time_ms and after end_time_ms in milliseconds (default: 3000). |
| `start_time_ms` | integer,null | No | Clip start in server milliseconds. Use the server_time_ms value from seek_demo or get_frame_state. Omit to start from the beginning. |
| `extra_console_variables` | array,null | No | Extra wolfcamql console variables as alternating ["console_variable_name", "value", ...] pairs, e.g. ["mme_blurFrames","4"]. Applied after preset defaults. |
| `wolfcamql_bin` | string,null | No | Path to wolfcamql binary. Overrides WOLFCAMQL_BIN env var. |

## Pricing

- **Cost:** $0.02/call
- **Balance check:** Use `xpay_balance` to check remaining credits
- Get your API key at [xpay.tools](https://xpay.tools/account/settings/api-keys/) — $5 free credits included

## Related Skills

- [Mcps (all tools)](https://xpay.tools/skills/quakelive/SKILL.md) — 88 tools
- [Add Player](https://xpay.tools/skills/quakelive/add-player/SKILL.md) — $0.00/call
- [Add Raw Snapshot](https://xpay.tools/skills/quakelive/add-raw-snapshot/SKILL.md) — $0.00/call
- [Add Server Command](https://xpay.tools/skills/quakelive/add-server-command/SKILL.md) — $0.00/call
- [Analyze Demo](https://xpay.tools/skills/quakelive/analyze-demo/SKILL.md) — $0.02/call
- [Award Medal](https://xpay.tools/skills/quakelive/award-medal/SKILL.md) — $0.02/call

## Links

- Tool page: https://xpay.tools/quakelive/render-demo-preview/
- Provider: https://xpay.tools/quakelive/
- All tools: https://xpay.tools/explore