SERVER

SIGNL4 MCP by usefulapi

Rank #101,594

io.usefulapi/signl4

Read SIGNL4 alerts, teams, users and duty schedules; raise, acknowledge, close and annotate alerts.

1 version

by m190 (333 servers)View repository ↗

Listed & last published

Oct 11, 2026

PURPOSE

What you can do with SIGNL4 MCP by usefulapi

SIGNL4 MCP by usefulapi is a Model Context Protocol (MCP) server published by m190. It ranks #101,594 of 144,396 active servers on MCP Toplist. SIGNL4 MCP by usefulapi is listed on Official MCP, with 1 tracked version. It was first listed on Oct 11, 2026 and most recently updated on Oct 11, 2026.

Not verifiedMCP Toplist has not yet written a checked profile for this server, so the paragraph above is assembled from registry data only. The repository README is the authority on what it does.

CAPABILITIES AND LIMITATIONS

What SIGNL4 MCP by usefulapi can and cannot do

MCP Toplist connected to the public endpoint on Oct 12, 2026 and it listed 18 tools. Tool names are not stored, so what they do is not catalogued here.

Not verifiedMCP Toplist has not catalogued this server's tools or limitations. The repository README lists them.

REQUIREMENTS

What you need before using SIGNL4 MCP by usefulapi

VerifiedNo credentialsNo credentials declared

The registry listing declares no required environment variables or authentication. This is declared metadata, not a verified install — the repository README is the authority.

Verified by MCP Toplist on Oct 12, 2026: the public endpoint completed the MCP handshake and listed 18 tools without credentials.

Declared by the Official MCP Registry, last synced Oct 16, 2026. Not independently verified by MCP Toplist.

Declared in the registry install config

Hosted endpoint declared as public.

INSTALLATION AND FIRST TASK

Connect SIGNL4 MCP by usefulapi and confirm it works

Remote · HTTP

claude mcp add --transport http signl4 https://signl4.usefulapi.io/mcp

Remote · HTTP

[mcp_servers.signl4]
url = "https://signl4.usefulapi.io/mcp"

Add to ~/.codex/config.toml.

Remote · HTTP

https://signl4.usefulapi.io/mcp

Settings → Connectors → “Add custom connector”, then paste this URL.

Remote · HTTP

{
  "mcpServers": {
    "signl4": {
      "url": "https://signl4.usefulapi.io/mcp"
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project).

Remote · HTTP

{
  "servers": {
    "signl4": {
      "type": "http",
      "url": "https://signl4.usefulapi.io/mcp"
    }
  }
}

Save as .vscode/mcp.json in your workspace.

Remote · HTTP

{
  "mcpServers": {
    "signl4": {
      "serverUrl": "https://signl4.usefulapi.io/mcp"
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Remote · HTTP

{
  "mcpServers": {
    "signl4": {
      "url": "https://signl4.usefulapi.io/mcp"
    }
  }
}

First successful task

After adding the config, ask your client to list this server's tools. A tool list confirms the connection; an empty list or an error means the server did not start or needs credentials.

MAINTENANCE AND EVIDENCE

What changed, and when this was checked

First listed: Oct 11, 2026
Latest version published: Oct 11, 2026
Version history: 1 version tracked (below)
Requirements evidence: Verified by MCP Toplist on Oct 12, 2026: the public endpoint completed the MCP handshake and listed 18 tools without credentials.
Profile checked: Not yet — purpose, capabilities and requirements above come from registry data only
Ranking data as of: Oct 11, 2026

Registry sightings

Official MCP ↗listed since Oct 12, 2026 · still listed

Do you maintain SIGNL4 MCP by usefulapi? to correct or enrich this profile.

VERSIONS

Available versions (1)

Version	Published
1.0.0	Oct 11, 2026

STANDING

#101,594of 144,396 active servers

Ranks ahead of 42,802 of 144,396 servers on MCP Toplist.

BADGE

Show your rank

Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.

Markdown

[![MCP Toplist](https://mcptoplist.com/badge/io.usefulapi%2Fsignl4.svg)](https://mcptoplist.com/server/io.usefulapi%2Fsignl4)

HTML

<a href="https://mcptoplist.com/server/io.usefulapi%2Fsignl4"><img src="https://mcptoplist.com/badge/io.usefulapi%2Fsignl4.svg" alt="MCP Toplist: #101,594 of 144,396" /></a>

Variants: append ?metric=score or ?metric=stars to the image URL.

FAQ

Frequently asked questions

Who maintains SIGNL4 MCP by usefulapi?: SIGNL4 MCP by usefulapi is maintained by m190, which publishes 333 MCP servers (860 total versions) tracked on MCP Toplist.
Is SIGNL4 MCP by usefulapi listed on the Official MCP Registry?: Yes — SIGNL4 MCP by usefulapi is listed on the Official MCP Registry.
How many versions does SIGNL4 MCP by usefulapi have?: MCP Toplist tracks 1 version of SIGNL4 MCP by usefulapi, most recently published on Oct 11, 2026.
Where can I find the source code for SIGNL4 MCP by usefulapi?: The source code for SIGNL4 MCP by usefulapi is hosted at github.com/m190/usefulapi-mcp.

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