Koskamo

Signal8 MCP

Provides AI agents with access to SEC filings, insider trading data (Form 3/4/5), institutional holdings (13F), congressional stock trading (STOCK Act), ETF holdings, and real-time market data for US public companies. It exposes tools for querying company profiles, insider directories, institutional portfolios, and political trade histories.

Visit Signal8

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Signal8 MCP logo, by Signal8Vendor evidenceLocal stdioSource reviewed; not executedOperated by Signal8
You need:Free to use; data is paywall-free behind a no-cost account
Vendor documentation

Checks and signals

Each line is separate evidence, not a trust score.

  • Passed Official MCP Registry namespace is tied to signal8.ai ·
  • Popularity 1 GitHub star

What you can do with it

  • Query SEC filings and news for specific US public companies
  • Retrieve insider trading transaction history by CIK
  • Analyze institutional holdings and AUM from 13F filings
  • Track congressional stock trading activity under the STOCK Act

Source and maintenance

Vendor evidenceRegistry 0.19.0MIT
mcp-registry: ai.signal8/mcp@0.19.0Source repositoryProject website
Last repository push
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

@signal8ai/mcp 0.19.0

npmnpx
@signal8ai/mcp package definition
{
  "version": "0.19.0",
  "transport": "stdio",
  "identifier": "@signal8ai/mcp",
  "runtimeHint": "npx",
  "registryType": "npm",
  "registryBaseUrl": "https://registry.npmjs.org",
  "environmentVariables": [
    {
      "name": "SIGNAL8_API_KEY",
      "isRequired": true,
      "description": "Signal8 API key (starts with sk_live_ or sk_test_). API keys are included with Signal8 Pro; create one at https://signal8.ai/developer/api-keys."
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · repository · passed · metadata changed · updated
  • · backfill · recorded · Pre-expansion baseline; unobserved rich metadata remains unknown

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "signal8-mcp-signal8ai-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@signal8ai/mcp@0.19.0"
      ],
      "env": {
        "SIGNAL8_API_KEY": "<YOUR_SIGNAL8_API_KEY>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "signal8-mcp-signal8ai-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@signal8ai/mcp@0.19.0"
      ],
      "env": {
        "SIGNAL8_API_KEY": "<YOUR_SIGNAL8_API_KEY>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "signal8-mcp-signal8ai-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@signal8ai/mcp@0.19.0"
      ],
      "env": {
        "SIGNAL8_API_KEY": "<YOUR_SIGNAL8_API_KEY>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "signal8-mcp-signal8ai-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@signal8ai/mcp@0.19.0"
      ],
      "env": {
        "SIGNAL8_API_KEY": "<YOUR_SIGNAL8_API_KEY>"
      }
    }
  }
}

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