INDIVIDUAL MCP TOOL

list_check_sizes

The check-size ranges an investor can list on their Signed profile — the valid values for the check_size filter on list_investors and search_investors — smallest to largest, with how many public investors write each.

signed.comnone authenticationAvailability not checked

LIVE ENDPOINT

https://mcp.signed.com/investors

No auth detected

Connect to this endpoint to inspect the live schema for list_check_sizes and invoke it with your own arguments.

Indexed input schema

{}

Risk classification

Potential side effects detected · medium confidence · heuristic, not a guarantee.

A tool name or description contains a write-action term.

Parent server

signed.com

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.signed-investors]
url = "https://mcp.signed.com/investors"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "signed-investors": {
      "type": "http",
      "url": "https://mcp.signed.com/investors"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: signed-investors
Remote MCP URL: https://mcp.signed.com/investors

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": {
    "signed-investors": {
      "url": "https://mcp.signed.com/investors"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "signed-investors": {
      "type": "http",
      "url": "https://mcp.signed.com/investors"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "signed-investors",
  "transport": "streamable-http",
  "url": "https://mcp.signed.com/investors"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

Related tools

search_investors — Search Signed's public angel investor directory by keyword: a name, a login, or a word from an investor's bio or investment description ("climate", "former founder", "pre-seed").
list_investors — Browse Signed's public angel investor directory: every investor with a public profile, most complete profiles first, optionally narrowed to one sector or one check size.
get_investor — One angel investor's public Signed profile by login: bio, investment description, sectors, check size, links, the portfolio companies they've pinned, whether (and where) they take pitches from founders, follower counts, and a few similar investors.
list_investor_followers — Public Signed investors who follow the given investor, alphabetically by name.
list_investor_following — Public Signed investors the given investor follows, alphabetically by name.
list_sectors — The sectors an investor can list on their Signed profile — the valid values for the sector filter on list_investors and search_investors — with how many public investors list each, a one-line description, and example companies.