Contribution Exchange MCP Server

com.signalaf/contribution-exchange

What is the Contribution Exchange MCP server?

Contribution Exchange MCP: domain discovery, policies, preflight, proposals, and signals.

Copy-paste configuration for popular MCP clients.

transport: http

Config generated by PluginBench — verify against the source before use.

~/.cursor/mcp.json

{
  "mcpServers": {
    "contribution-exchange": {
      "url": "https://signalaf.com/api/exchange/mcp"
    }
  }
}

Active

SigRank benchmark MCP: cascade metrics, leaderboard, operator profiles, simulation, diagnostics.

TypeScript

MIT

E-signature API: send documents for signature, track envelopes, get signed files.

Audit and build email signatures that survive Gmail, Outlook desktop and Apple Mail.

Search Signed's public angel investor directory by sector, check size, or keyword. No login needed.

Angel investor portfolio, startup deal pipeline, and CRM data from your Signed account.

Send documents for e-signature, track signing status, and download signed PDFs. No API key required.