MCP Index
Official MCPGenerally availablePublishes llms.txt

Semrush MCP Server

Solid all-round agent support with no single blocker.

Comparable data depth to Ahrefs with a rougher billing model — API units make agent loops expensive if you don't cap them.

Marketing & SEO
3.5/5

Agent-readiness

Good overall

Weighted across four pillars

Reach3.5
Cost2.5
Control3.5
Trust4.5
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What an agent can do here

Official remote MCP server bringing Semrush keyword, traffic and competitive data into an agent session.

Action depth
Read only

Agents can query data but cannot change anything.

Hosting
Vendor-hosted

Connect with a URL — nothing to install.

Auth
API key
Unattended
Headless-capable

A long-lived token works, so this can run on a schedule.

Blast radius
Low

Trivially reversible.

Permission scoping: All or nothing

What it costs to let an agent act

Paid planUsage-metered

Requires a paid Semrush subscription; API-unit consumption applies on top of the seat cost.

How the score breaks down

Every factor below is scored by a fixed rubric, not by opinion — so two tools with the same shape always get the same number.

Reach

Good3.5/5

Can an agent actually do the job?

  • MCP serverFirst-party2/2
  • Action depthRead only0/1.5
  • HostingVendor-hosted1/1
  • Fallback pathPublic API0.5/0.5

Cost

Workable2.5/5

What does it cost to let the agent act?

  • Plan requiredPaid plan1.5/3
  • Usage meteringUsage-metered1/2

Control

Good3.5/5

Can I let it run unattended?

  • Permission scopingAll or nothing0/1.5
  • Unattended authHeadless-capable1.5/1.5
  • Blast radiusLow1.5/1.5
  • Auth frictionAPI key0.5/0.5

Trust

Excellent4.5/5

Will this still work next month?

  • MaintainerVendor2/2
  • MaturityGenerally available1.5/1.5
  • Research confidenceMedium0.5/1
  • FreshnessVerified 2d ago0.5/0.5

Semrush vs other marketing & seo tools

Sorted by overall score. Filter and sort the full category →

Marketing & SEO MCP servers compared
ToolOverallReachCostControlTrustCost to actCan doRisk
SE RankingGoodOnly write-capable server in the category — agents can actually run the SEO workflow, not just report on it. No llms.txt, which is ironic for an SEO vendor.
3.5
4.5
2.5
3
4.5
Paid planUsage-meteredCore writeHeadlessMediumblast radius
SemrushGoodComparable data depth to Ahrefs with a rougher billing model — API units make agent loops expensive if you don't cap them.
3.5
3.5
2.5
3.5
4.5
Paid planUsage-meteredRead onlyHeadlessLowblast radius
AhrefsGoodStrongest all-around SEO server — official, hosted, OAuth, and it even ships per-client setup docs (Claude Code, ChatGPT, Copilot Studio). Read-only, as SEO data should be.
3.5
3.5
2.5
3
5
Paid planUsage-meteredRead onlyNeeds a humanLowblast radius
DataForSEOGoodThe data-without-a-suite option: widest raw surface, simple API-key auth, and you pay per call instead of per seat.
3.5
3
2.5
3.5
4.5
Paid planUsage-meteredRead onlyHeadlessLowblast radius
Google Search ConsoleWorkableFree and genuinely useful, but everything around it is DIY: community server, Google Cloud setup, no llms.txt. The biggest first-party gap in the category.
2.5
2
5
1.5
2.5
FreeUnmeteredRead onlyNeeds a humanLowblast radius

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Setup

How we know

Last verified
2026-09-29 · 2d ago
Research confidence
medium
Maturity
Generally available

NEEDS VERIFICATION: whether auth is API key or OAuth on the current server.

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