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Developer Tools

usesignal.dev

Provides developer utility tools for generating forms and color tokens, testing regex, creating QR codes, and encoding/decoding/hashing text.

1 endpoint12 known toolsFirst detected October 3, 2026Last detected October 3, 2026

ENDPOINT 1

https://www.usesignal.dev/mcp

No auth detected

MCP server metadata

Name
usesignal
Version
0.2.0
Capabilities
resources.listChangedtools.listChanged

Known tools 12

usesignal_generate_form

Generate an editable form from a JSON object.

Inferred read-only
usesignal_generate_colors

Generate light and dark semantic color tokens from a six-digit hex brand color.

Inferred read-only
usesignal_test_regex

Execute a JavaScript regular expression against text and expected match/non-match test cases.

Potential side effects
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.

Potential side effects
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.

Inferred read-only
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.

Inferred read-only
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.

Inferred read-only
usesignal_diff_json

Compare two JSON documents structurally and list every added, removed and changed value with its JSONPath.

Inferred read-only
usesignal_format_json

Validate, pretty-print or minify JSON, optionally sorting keys.

Inferred read-only
usesignal_placeholder_image

Create a placeholder image URL (served by usesignal.

Potential side effects
usesignal_flowchart

Turn JavaScript/TypeScript code, arrow steps or Mermaid-style arrows into a flowchart, returned as Mermaid source and an SVG diagram.

Inferred read-only
usesignal_open_workbench

Show the editable useSignal UI.

Inferred read-only

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.

TRUST AND VERIFICATION EVIDENCE

Loading Trust v2 evidence…

Checking the associated registrable domain. The BuiltWith key remains server-side.

Indexed

Evidence is source-attributed and does not guarantee that a third-party server is safe. Risk labels are conservative metadata heuristics.