INDIVIDUAL MCP TOOL
usesignal_explain_cron
Explain a standard 5-field cron expression (minute hour day-of-month month day-of-week) in plain English and list its next run times in a given time zone, handling daylight saving time.
LIVE ENDPOINT
https://www.usesignal.dev/mcp
Connect to this endpoint to inspect the live schema for usesignal_explain_cron and invoke it with your own arguments.
Indexed input schema
{}Risk classification
Inferred read-only · medium confidence · heuristic, not a guarantee.
- No write-capable action terms were found; this is not proof that invocation has no side effects.
Parent server
CONNECT WITH APPROVAL
Client installation
Review this server and its permissions before adding it. Secret placeholders must be set locally.
Codex
~/.codex/config.toml
[mcp_servers.usesignal]
url = "https://www.usesignal.dev/mcp"
enabled = true
Claude Code
.mcp.json
{
"mcpServers": {
"usesignal": {
"type": "http",
"url": "https://www.usesignal.dev/mcp"
}
}
}
Claude Desktop
Settings → Connectors → Add custom connector
Name: usesignal
Remote MCP URL: https://www.usesignal.dev/mcp
Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.
Cursor
.cursor/mcp.json
{
"mcpServers": {
"usesignal": {
"url": "https://www.usesignal.dev/mcp"
}
}
}
Visual Studio Code
.vscode/mcp.json
Add to Visual Studio Code{
"servers": {
"usesignal": {
"type": "http",
"url": "https://www.usesignal.dev/mcp"
}
}
}
Generic MCP
Client-specific MCP configuration
{
"name": "usesignal",
"transport": "streamable-http",
"url": "https://www.usesignal.dev/mcp"
}
MCP Inspector
Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.
Related tools
usesignal_generate_form— Generate an editable form from a JSON object.usesignal_generate_colors— Generate light and dark semantic color tokens from a six-digit hex brand color.usesignal_test_regex— Execute a JavaScript regular expression against text and expected match/non-match test cases.usesignal_generate_qr— Generate a scannable QR code for a link, text, Wi-Fi network, contact card (vCard), email, SMS, phone number, WhatsApp chat or UPI payment.usesignal_encode_decode— Exact text transforms: Base64 encode/decode (UTF-8), URL encode/decode, decode a JWT header and payload with readable exp/iat/nbf dates (the signature is not verified), or hash text with MD5, SHA-1, SHA-256 and SHA-512.usesignal_convert_timestamp— Convert a Unix timestamp (seconds or milliseconds) or an ISO 8601 date into ISO, UTC, epoch seconds/milliseconds, a relative time and the local time in a given time zone.usesignal_diff_json— Compare two JSON documents structurally and list every added, removed and changed value with its JSONPath.usesignal_format_json— Validate, pretty-print or minify JSON, optionally sorting keys.