Web production tools for AI agents: contrast, JP text, WebP, JSON-LD, slugs, dates and 40+ more
Connect Runs on your machine
claude mcp add tools-mcp -e FIRSTCH_TOOLS_USAGE_LOG=<FIRSTCH_TOOLS_USAGE_LOG> -e FIRSTCH_APPS_BASE_URL=<FIRSTCH_APPS_BASE_URL> -e MARP_CHROME_PATH=<MARP_CHROME_PATH> -- npx -y @first-ch/[email protected]
{
"mcpServers": {
"tools-mcp": {
"command": "npx",
"args": [
"-y",
"@first-ch/[email protected]"
],
"env": {
"FIRSTCH_TOOLS_USAGE_LOG": "<FIRSTCH_TOOLS_USAGE_LOG>",
"FIRSTCH_APPS_BASE_URL": "<FIRSTCH_APPS_BASE_URL>",
"MARP_CHROME_PATH": "<MARP_CHROME_PATH>"
}
}
}
}
{
"mcpServers": {
"tools-mcp": {
"command": "npx",
"args": [
"-y",
"@first-ch/[email protected]"
],
"env": {
"FIRSTCH_TOOLS_USAGE_LOG": "<FIRSTCH_TOOLS_USAGE_LOG>",
"FIRSTCH_APPS_BASE_URL": "<FIRSTCH_APPS_BASE_URL>",
"MARP_CHROME_PATH": "<MARP_CHROME_PATH>"
}
}
}
}
{
"servers": {
"tools-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@first-ch/[email protected]"
],
"env": {
"FIRSTCH_TOOLS_USAGE_LOG": "<FIRSTCH_TOOLS_USAGE_LOG>",
"FIRSTCH_APPS_BASE_URL": "<FIRSTCH_APPS_BASE_URL>",
"MARP_CHROME_PATH": "<MARP_CHROME_PATH>"
}
}
}
}
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
FIRSTCH_TOOLS_USAGE_LOGOptional | Optional. Path to a local JSONL file for opt-in usage logging. No logging when unset. |
FIRSTCH_APPS_BASE_URLOptional | Optional. Base URL for the app_* tools (default https://apps.first-ch.com). For testing only. |
MARP_CHROME_PATHOptional | Optional. Path to a Chrome/Chromium executable used by marp_render for PDF output. Auto-detected on common paths when unset; PDF is skipped (HTML still returned) if none is found. |
Details
| Package | @first-ch/[email protected] (NPM, stdio) |
| First published | 9 Nov 2026 |
| Last updated | 9 Nov 2026 |
| Registry name | io.github.First-CH/tools-mcp |
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