Blank Files MCP
MCP server for listing and retrieving minimal valid blank files from blankfiles.com.
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Blank Files Website
Laravel application that powers blankfiles.com. Browse and download minimal valid blank files by type and category. File data and assets are served from the filearchitect/blank-files repository via a configurable CDN.
Requirements
- PHP 8.2+
- Composer
- Node.js 18+ (for Vite frontend build)
Installation
git clone https://github.com/filearchitect/blankfiles-website.git
cd blankfiles-website
composer install
cp .env.example .env
php artisan key:generate
Set CDN_URL in .env (see Configuration). Then build the frontend and run the app:
npm install && npm run build
php artisan serve
Or use Laravel Herd with a .test domain.
Configuration
| Variable | Description |
|---|---|
CDN_URL | Required. Base URL used to construct downloadable file URLs as {CDN_URL}/files/{filename}. Default: https://raw.githubusercontent.com/filearchitect/blank-files/main (set in config/app.php). |
CATALOG_URL | Optional. Direct URL for the catalog JSON (files/files.json). Default is https://raw.githubusercontent.com/filearchitect/blank-files/main/files/files.json for freshness. |
CACHE_ENABLED | Optional. When true, the file list from the CDN is cached. TTL is controlled by CATALOG_TTL_MINUTES (default 10). See config/cache.php and app/Services/FileService.php. |
CATALOG_TTL_MINUTES | Optional. Cache TTL in minutes for the remote catalog when CACHE_ENABLED=true. Lower values reflect new formats sooner; higher values reduce CDN fetches. |
API_KEYS | Optional. Comma-separated API keys for higher-rate API clients (used by X-API-Key or Authorization: Bearer ...). |
API_PUBLIC_RATE_LIMIT | Optional. Public API requests/minute limit (default 30). |
API_KEY_RATE_LIMIT | Optional. API-key requests/minute limit (default 300). |
API_USAGE_LOG_CHANNEL | Optional. Logging channel for API usage analytics (default api_usage). |
OPENPANEL_CLIENT_ID | Optional. Enables OpenPanel web analytics script when set. |
OPENPANEL_CLIENT_SECRET | Optional. Reserved for server-side OpenPanel events (not exposed to browser script). |
Project structure
| Path | Purpose |
|---|---|
app/Http/Controllers/FileController.php | Web: homepage, file detail page, download proxy. |
app/Http/Controllers/Api/FileController.php | API: list all files, list files by type. |
app/Services/FileService.php | Fetches catalog JSON (CATALOG_URL) and formats file URLs from CDN_URL. |
routes/web.php | Web routes (home, files show, download). |
routes/api.php | API v1 routes. |
resources/views/files/ | Blade views for file listing and file detail. |
Deployment
On push to main, GitHub Actions:
- Builds the frontend (Vite) with
npm ciandnpm run build. - SCPs
public/build/to the Forge server. - Triggers a Laravel Forge deployment.
- Runs
php artisan optimize:clearon the server.
Required repository secrets:
FORGE_SSH_HOSTβ SSH host for the server.FORGE_SSH_USERβ SSH user (e.g.forge).SSH_PRIVATE_KEYβ Private key for SCP/SSH.FORGE_SERVER_IDβ Forge server ID.FORGE_SITE_IDβ Forge site ID.FORGE_API_KEYβ Forge deploy token.
See .github/workflows/deploy.yml.
For developers and bots
Base URL
Production: https://blankfiles.com. HTML and JSON are available; use Accept: application/json where applicable.
Web routes
| Method | Path | Description |
|---|---|---|
GET | / | Homepage: file list by category. Responds with JSON when Accept: application/json. Throttle: 30/min. |
GET | /upload-testing | Binary-focused landing page for upload testing intent, linking to high-demand file formats and categories. |
GET | /files/{category}/{type} | SEO-friendly file detail page (e.g. /files/document-spreadsheet/xlsx). Constraints: category, type = [A-Za-z0-9\-]+. |
GET | /files/download/{category}/{type} | Download proxy: streams the file with Content-Disposition: attachment (filename blank.{type} or blank.{type}.zip). Throttle: 60/min. |
API routes (prefix api/v1)
| Method | Path | Response |
|---|---|---|
GET | /api/v1/files | { "files": [ ... ], "meta": { "version", "generated_at", "count" } }. |
GET | /api/v1/files/{type} | Same schema, filtered by extension. |
GET | /api/v1/files/{category}/{type} | Same schema with exactly one matching entry when found; 404 when missing. |
GET | /api/v1/status | API health + aggregate catalog metrics (file_count, type_count, category_count) and upstream source info. |
Machine-friendly notes
- The canonical file catalog schema is defined in the blank-files repo:
files/files.json(keyfiles, array of{ type, url, category, package? }). - Download URLs: use the API
urlfield for direct CDN access, orGET /files/download/{category}/{type}for a same-origin download with a predictable filename. - Conditional requests are supported on API responses and sitemap (
ETag,Last-Modified). - Rate limits: public IP-based limits and optional API-key limits (
X-API-Key). - API usage analytics are logged to
storage/logs/api-usage-*.log(configurable channel). - Compatibility policy: API policy.
- Web landing analytics for growth pages are logged to
storage/logs/web-traffic-*.log.
Client snippets
curl -sS "https://blankfiles.com/api/v1/files/document-spreadsheet/xlsx" \
-H "Accept: application/json" \
-H "X-API-Key: $BLANKFILES_API_KEY"
const res = await fetch("https://blankfiles.com/api/v1/files", {
headers: { "Accept": "application/json", "If-None-Match": etag }
});
if (res.status === 304) {
// unchanged
}
import requests
r = requests.get("https://blankfiles.com/api/v1/status", timeout=20)
r.raise_for_status()
print(r.json())
Compatibility policy
- URL versioning is stable under
/api/v1/*. - Breaking changes require a new major API path version.
- Deprecated endpoints are kept for at least 90 days before removal.
- New fields may be added; clients should ignore unknown fields.
Related
- filearchitect/blank-files β Source of truth for the file list and blank file assets.
MCP server (for agent marketplaces/registries)
This repository now includes a minimal MCP server that exposes Blank Files as tool calls.
- Script:
scripts/mcp/blankfiles-mcp.mjs - Run:
npm run mcp:server - Optional env:
BLANKFILES_BASE_URL(default:https://blankfiles.com)
Available MCP tools:
list_blank_filesβ list files, optional filters (category,type,limit)files_by_typeβ list entries by extensionfile_by_category_typeβ deterministic single lookup by category + extension
Example local MCP client config entry:
{
"mcpServers": {
"blankfiles": {
"command": "node",
"args": ["/absolute/path/to/blankfiles-website/scripts/mcp/blankfiles-mcp.mjs"],
"env": {
"BLANKFILES_BASE_URL": "https://blankfiles.com"
}
}
}
}
Registry submission helpers:
- Template metadata:
scripts/mcp/registry/server.json.template - Publish checklist:
scripts/mcp/registry/PUBLISHING.md
Published package workspace:
packages/blankfiles-mcp(publish as@filearchitect/blankfiles-mcp)
OpenClaw skill (ClawHub discoverability)
This repository includes an OpenClaw-ready skill bundle:
- Skill path:
skills/blankfiles - Skill entry:
skills/blankfiles/SKILL.md - Publish guide:
skills/blankfiles/references/publish.md
Typical publish flow:
npm i -g clawhub
clawhub login
clawhub publish ./skills/blankfiles \
--slug blankfiles \
--name "Blank Files Gateway" \
--version 1.0.0 \
--changelog "Initial release" \
--tags latest
License
This project is licensed under the MIT License.
