INDIVIDUAL MCP TOOL

browse_marketplace

Browse the co-founder / collaborator marketplace (Fifty50 API: GET /v1/listings).

frederickandsons.xyznone authenticationAvailability not checked

LIVE ENDPOINT

https://frederickandsons.xyz/fifty50/mcp

No auth detected

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

{}

Inferred read-only · medium confidence · heuristic, not a guarantee.

CONNECT WITH APPROVAL

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.fifty50]
url = "https://frederickandsons.xyz/fifty50/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "fifty50": {
      "type": "http",
      "url": "https://frederickandsons.xyz/fifty50/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: fifty50
Remote MCP URL: https://frederickandsons.xyz/fifty50/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": {
    "fifty50": {
      "url": "https://frederickandsons.xyz/fifty50/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "fifty50": {
      "type": "http",
      "url": "https://frederickandsons.xyz/fifty50/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "fifty50",
  "transport": "streamable-http",
  "url": "https://frederickandsons.xyz/fifty50/mcp"
}

MCP Inspector

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

create_partnership — Create a partnership and its partners (Fifty50 API: POST /v1/partnerships).
add_contribution — Log what a partner contributed; this drives the equity split (Fifty50 API: POST /v1/partnerships/{pid}/contributions).
get_attribution — Get the current fair equity split for a partnership, with reasoning and uncertainty bands (Fifty50 API: GET /v1/partnerships/{pid}/attribution).
forecast_equity — Monte-Carlo simulate where the equity split is heading (Fifty50 API: POST /v1/partnerships/{pid}/simulate).
recommend_vesting — Recommend a vesting plan and flag when a grant has drifted from fair (Fifty50 API: POST /v1/partnerships/{pid}/vesting-plan).
record_outcome — Record a realized split (e.g.
post_listing — Post a marketplace listing to find a co-founder or skill you're missing (Fifty50 API: POST /v1/listings).
ask_assistant — Ask Fifty50's AI co-pilot in plain English, e.g.