Introduction
Proxy is an MCP server that gives AI assistants live access to the Meta, Google, LinkedIn and TikTok ad libraries. No API keys. OAuth only.
Quickstart
Connect in under two minutes and run your first competitor query.
Connect your client
Claude, ChatGPT, Claude Code, Cursor, Codex, Copilot, Zed and the CLI installer.
Authentication
OAuth 2.0 with PKCE and dynamic client registration. How the 401 handshake works.
Tool reference
Every tool, its parameters, and what it returns.
Credits and plans
Free tier, daily limits, and what each call costs.
Sandbox
Fixture ad data with no account, for testing and auditors.
What Proxy does
Ad library websites show one ad at a time with no analysis. Proxy exposes those libraries as MCP tools, so an assistant can pull hundreds of ads across brands and platforms in one conversation, transcribe the videos, and explain the hooks, offers and formats that are working.
- Meta Ad Library for Facebook and Instagram, by brand or by keyword
- Google Ads Transparency Center by domain or advertiser ID, with per-ad creative variations
- LinkedIn Ad Library by company, keyword or company ID, with targeting and impression data
- TikTok EU DSA repository by registered advertiser name
- Analysis tools for image vision, video transcription, competitor discovery and cross-platform briefs
How it connects
Proxy is a single remote MCP server over Streamable HTTP:
https://mcp.useproxy.dev/mcpThere is no REST API and no OpenAPI spec. Any MCP client connects to that URL, signs in through OAuth on first use, and then calls tools directly. See Connect your client.
Who it is for
- Marketers and founders doing competitor research inside ChatGPT or Claude
- Agencies building creative swipe files across many brands at once
- Agent builders who want ad library data as a native tool