Ahrefs, Moz, and Semrush are excellent tools if what you need is a human analyst logging into a dashboard, exploring a UI, and exporting a CSV. They run continuous, expensive-to-maintain web crawlers, and they charge accordingly — Ahrefs' cheapest plan starts around $129/month, with API access typically metered separately and gated behind higher tiers. That's a reasonable price for what they do. It's a bad fit for a very specific and increasingly common use case: an AI agent, a coding assistant, or an automated script that needs a backlink or domain-authority number as one input among many, on demand, without a login flow in the way.
Why "dashboard-first" doesn't fit agent workflows
Most SEO tools are designed around a session: you log in, you type a domain into a search box, you read a report, you maybe export something. That's a fine interaction model for a person doing competitive research once a week. It's a terrible one for a coding agent that wants to check the authority of 40 candidate backlink targets in a loop, or a chatbot that wants to answer "how strong is this site's backlink profile?" inline in a conversation. Agents need an endpoint they can call and a JSON shape they can parse — not a page to scrape or a session to maintain.
What BacklinkMCP does differently
BacklinkMCP is built API-and-MCP-first. There is a landing page and a demo box, but the actual product is two things: a REST API (/api/v1/authority, /api/v1/backlinks) and a remote MCP server (/api/mcp) that exposes the same data as tools any MCP-aware agent — Claude Desktop, Claude Code, Cursor — can call directly, with zero custom integration code. Add one URL to an MCP config and the tools just appear.
The data itself comes from our proprietary web-scale link index, scored with an editorial-authority weighting that leans harder on links from high-trust Wikipedia, .edu, .gov, and established news domains than on arbitrary low-quality referrers. That's a deliberate design choice: it approximates "does a credible third party consider this domain worth linking to" rather than just raw inbound link count, which is easy to game and easy to spam.
Where Ahrefs still wins
One tradeoff worth stating plainly: BacklinkMCP is built for on-demand agent lookups, not continuous campaign monitoring. Ahrefs recrawls the web on an ongoing schedule and can show you link velocity — new links appearing, old ones disappearing, week over week. If your job is actively monitoring a link-building campaign day-to-day, Ahrefs (or Moz, or Semrush) is the better tool for that job. For a spot check on whether a specific link is live right now, BacklinkMCP's verify_link_live fetches the linking page in real time.
What BacklinkMCP is good for is the much more common agent-shaped question: "given this domain, what's a reasonable authority signal, and who links to it, right now, cheaply and instantly, without a login." That's a narrower job than Ahrefs does, done in a way that fits how agents actually work.
Side-by-side
| Feature | Ahrefs / Moz / Semrush | BacklinkMCP |
|---|---|---|
| Primary interface | Dashboard | REST API + MCP server |
| Starting price | ~$129/mo (Ahrefs) | $0 (10/day) or $19/mo unlimited |
| Signup to try | Required | Not required (free tier) |
| Native agent/MCP access | No | Yes |
| Crawl model | Continuous, proprietary crawler | Proprietary web-scale link index |
| Link velocity / real-time monitoring | Yes | Live spot-checks (verify_link_live) |
| Best for | Analyst-driven SEO campaigns | Agent/script-driven lookups |
Try it on a real domain
The box below hits the exact same live API and MCP tools described above — not a mockup.
If you want the full field-level reference for both the REST responses and the MCP tool schemas, see the docs. For pricing detail, see pricing. And if what you actually need is raw domain-authority scoring rather than a full comparison, the domain authority API page covers that specifically.