Koskamo

Proofsource MCP

The Proofsource MCP server enables AI assistants like ChatGPT, Claude, and Cursor to query Proofsource's AI visibility data. It allows users to ask natural language questions about how often their brand is mentioned in AI answers, which competitors are cited, and the sentiment of those mentions, providing actionable insights for marketing and PR strategies.

Visit Proofsource

Endpoint and access

No sign-in to connect and list tools. Individual tools may still need a vendor account, credentials, or permissions; check the documented prerequisites.

Proofsource MCP logo, by ProofsourceVendor evidenceStreamable HTTPNo sign-inEndpoint checked 2026-10-26Operated by Proofsource
You need:sign in with your email when it asksmake a key in Settings → API Keys and paste itPass a tool of type mcp with server_url https://mcp.proofsource.co/mcp in a Responses API call. An API key from Settings, then API Keys, sent as a bearer tokenmake a key in Settings → API Keys and send it as the header Authorization: Bearer followed by the key
MCP endpoint (Streamable HTTP)
https://app.proofsource.co/v1/mcp
Vendor documentation

What you can do with it

  • Check how often AI engines mention a specific brand
  • Identify which competitors are named in AI answers
  • Analyze sentiment and citations in AI-generated responses
  • Track changes in brand visibility after implementing fixes

Source and maintenance

Vendor evidenceRegistry 1.0.0
mcp-registry: co.proofsource/proofsource@1.0.0Source repositoryProject website
Last repository push
Maintenance checked

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

Connect from your client

Each snippet registers the same endpoint; pick the client you 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.

Claude Code

Run this once in a terminal. It registers the remote server. Use --scope project to write .mcp.json for the repo.
Claude Code configuration
claude mcp add --transport http proofsource-mcp https://app.proofsource.co/v1/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).
Codex configuration
codex mcp add proofsource-mcp --url https://app.proofsource.co/v1/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable proofsource-mcp in your MCP settings.
Cursor configuration
{
  "mcpServers": {
    "proofsource-mcp": {
      "url": "https://app.proofsource.co/v1/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure).
Cline configuration
{
  "mcpServers": {
    "proofsource-mcp": {
      "type": "streamableHttp",
      "url": "https://app.proofsource.co/v1/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start proofsource-mcp and inspect its tools.
VS Code configuration
{
  "servers": {
    "proofsource-mcp": {
      "type": "http",
      "url": "https://app.proofsource.co/v1/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.
Gemini CLI configuration
gemini mcp add --transport http proofsource-mcp https://app.proofsource.co/v1/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.
Claude Desktop configuration
{
  "mcpServers": {
    "proofsource-mcp": {
      "url": "https://app.proofsource.co/v1/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.
Windsurf configuration
{
  "mcpServers": {
    "proofsource-mcp": {
      "serverUrl": "https://app.proofsource.co/v1/mcp"
    }
  }
}

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Do you run Proofsource MCP?

Prove ownership with a DNS record, a well-known file, or your Official MCP Registry entry, and your edits publish immediately. Proofs are re-checked weekly; admins can still hide or remove a listing.

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