Signal
Rank #61,830com.returnonsecurity/signal
Cybersecurity market intelligence: funding rounds, M&A, investors, valuations, corporate lineage.
What you can do with Signal
Signal is a Model Context Protocol (MCP) server. It ranks #61,830 of 145,290 active servers on MCP Toplist. Signal is listed on Official MCP, with 2 tracked versions. It was first listed on Aug 28, 2026 and most recently updated on Sep 1, 2026.
Not verifiedMCP Toplist has not yet written a checked profile for this server, so the paragraph above is assembled from registry data only. Its registry listings below are the authority on what it does.
What Signal can and cannot do
Not verifiedMCP Toplist has not catalogued this server's tools or limitations. Check its registry listings below.
What you need before using Signal
The registry listing declares no required environment variables or authentication. This is declared metadata, not a verified install — the repository README is the authority.
MCP Toplist probed the public endpoint on Oct 6, 2026 and could not complete the MCP handshake (jsonrpc error). Requirements remain unverified.
Declared by the Official MCP Registry, last synced Oct 16, 2026. Not independently verified by MCP Toplist.
Hosted endpoint declared as public.
Connect Signal and confirm it works
claude mcp add --transport http signal https://mcp.returnonsecurity.com/mcp[mcp_servers.signal]
url = "https://mcp.returnonsecurity.com/mcp"Add to ~/.codex/config.toml.
https://mcp.returnonsecurity.com/mcpSettings → Connectors → “Add custom connector”, then paste this URL.
{
"mcpServers": {
"signal": {
"url": "https://mcp.returnonsecurity.com/mcp"
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project).
{
"servers": {
"signal": {
"type": "http",
"url": "https://mcp.returnonsecurity.com/mcp"
}
}
}Save as .vscode/mcp.json in your workspace.
{
"mcpServers": {
"signal": {
"serverUrl": "https://mcp.returnonsecurity.com/mcp"
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
{
"mcpServers": {
"signal": {
"url": "https://mcp.returnonsecurity.com/mcp"
}
}
}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.
What changed, and when this was checked
- First listed
- Aug 28, 2026
- Latest version published
- Sep 1, 2026
- Version history
- 2 versions tracked (below)
- Requirements evidence
- MCP Toplist probed the public endpoint on Oct 6, 2026 and could not complete the MCP handshake (jsonrpc error). Requirements remain unverified.
- Profile checked
- Not yet — purpose, capabilities and requirements above come from registry data only
- Ranking data as of
- Sep 1, 2026
- Official MCP ↗listed since Aug 29, 2026 · still listed
Do you maintain Signal? to correct or enrich this profile.
Available versions (2)
| Version | Published |
|---|---|
| 1.3.0 | Sep 1, 2026 |
| 1.2.0 | Aug 28, 2026 |
Ranks ahead of 83,460 of 145,290 servers on MCP Toplist.
Show your rank
Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.
[](https://mcptoplist.com/server/com.returnonsecurity%2Fsignal)<a href="https://mcptoplist.com/server/com.returnonsecurity%2Fsignal"><img src="https://mcptoplist.com/badge/com.returnonsecurity%2Fsignal.svg" alt="MCP Toplist: Top 50% of 145,290" /></a>Variants: append ?metric=score or ?metric=stars to the image URL.
Frequently asked questions
- Is Signal listed on the Official MCP Registry?
- Yes — Signal is listed on the Official MCP Registry.
- How many versions does Signal have?
- MCP Toplist tracks 2 versions of Signal, most recently published on Sep 1, 2026.
Do you run this server?
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