Where is this guest post cheapest?
Paste your sites — or a competitor's backlink export from Ahrefs, Semrush or any CSV — and see the price of a guest post on each one across marketplaces and open catalogs. The same site often costs 2–5× more in one place than in another.
DR and traffic are as reported by sellers, not verified.
Not found on marketplaces
Use it from your AI agent (MCP)
The same comparison is available as an MCP server for Claude, ChatGPT, Cursor and other agents:
compare_prices, search_sites (by niche, country, DR, traffic, budget),
list_channels. It works without a token (50 sites per call); with a free token — up to 1,000.
Step-by-step setup for Claude, ChatGPT, Cursor, VS Code, Windsurf and others →
Server URL:
Enter your email above (or after a comparison) to get a personal URL with a token.
Your personal server URL (keep it private):
Claude (claude.ai or desktop): Settings → Connectors → Add → Add custom connector → paste the URL, authentication — No sign in.
Claude Code:
Cursor (~/.cursor/mcp.json) and other clients with JSON config:
ChatGPT: Plugins → + → Add custom MCP server → paste the URL, authentication — none.
Lost it? Enter the same email again — you'll get a new token, the old ones keep working.
See prices while you browse
The free SeoSoup extension for Chrome shows the best guest post price for the site you're on and for every site linked on a page, with DR and traffic.