Frase researches SERPs and helps writers optimize content in a browser. SEOAgent gives your coding agent the tools to build and improve SEO pages in your codebase — measured against real Search Console data, approved by you.
Give your Grok Bot an SEO harness to continually measure and grow your site's organic traffic.

SEOAgent is the SEO engine for coding agents. It ships as a free Skill for Claude Code, Cursor, and Codex (plus a local CLI) that audits your site and builds landing pages and blog articles directly in your repo. The optional cloud layer analyzes Google Search Console performance, researches competitors and keywords, and proposes evidence-backed updates — which your coding agent implements only after you approve them.
Frase is a browser-based content research and optimization tool. It analyzes top-ranking pages, builds content briefs, and scores drafts against a target so writers can match what already ranks. The work happens in Frase’s app, and you export and publish the result yourself.
| Feature | SEOAgent | Frase |
|---|---|---|
| Builds & edits pages in your codebase (local-first) | ||
| Runs inside your coding agent (Claude Code, Cursor, Codex) | ||
| Changes approved by you, then synced to your repo | ||
| Free local tier | ||
| Google Search Console performance analysis | ||
| Competitor & SERP research | ||
| Keyword research | ||
| Content briefs & outlines | ||
| Publishes the finished page (file lands in your repo) | ||
| Internal linking wired automatically | ||
| Technical SEO — schema, canonicals, sitemaps | ||
| Real-time content optimization score | ||
| Browser-based, no code required | ||
| Google Docs writing add-on | ||
| Starting price | Free / $49 per site·mo | Paid (Starter ~$49/mo, 2026) |
SEOAgent works inside your codebase through your coding agent. Pages, metadata, schema, and internal links are created and edited as real files in your repo — and ship through your existing CI/CD.
Frase works in its own browser app. You research, brief, and write against its score in the editor, then export and publish the content to your site yourself.
If your site lives in a codebase, SEOAgent keeps SEO where your work already is. If you write in a browser and want live scoring against the SERP, Frase fits that flow.
The cloud layer grounds suggestions in your real Google Search Console data and competitor research, then proposes specific, evidence-backed updates. Nothing changes until you approve it.
Frase analyzes the SERP and gives you a target content score and brief. Judging what to act on — and shipping it — is left to you and your writers.
SEOAgent leans on your own performance data and keeps a human in the loop on every change. Frase gives strong research and scoring signals but no in-repo, measurement-driven workflow.
Built for founders and dev/SaaS teams who ship their site from a repo and already use a coding agent. Local-first, developer-credible, grounded in your real expertise rather than AI slop.
Built for writers, content marketers, and agencies who research and optimize articles in a browser before publishing.
Pick SEOAgent if a developer or coding agent touches the site. Pick Frase if a writing team owns the content.
SEOAgent’s Skill is free forever and runs locally; the $49 per-site cloud tier adds Search Console measurement, research, and review. Frase is a subscription tool with no free working tier — verify its current plan pricing on frase.io before quoting it.
Frase bundles three jobs: SERP research, brief building, and AI drafting. Pick a replacement by the job you actually open Frase for. Each option below has its own head-to-head with SEOAgent.
The depth pick if research is what you pay Frase for. Site-wide topic modelling answers "what should exist that does not". It plans rather than writes, and sits at the premium end.
The cleanest optimization editor. Recommendations read as topics rather than word quotas. No AI drafting and no technical SEO, and it is the expensive option in its category.
The category default, with the largest community and the most integrations. The term-count model can push prose toward writing for a score.
Drafting-first. Short path from keyword to a draft worth editing, thin on research and strategy.
The only option here that finishes the job. The draft lands in your repo as a commit with internal links and schema already wired. Needs a coding agent and a git workflow.
They solve adjacent problems differently. Frase researches and scores content you write in a browser; SEOAgent gives your coding agent the tools to build and improve SEO pages in your codebase, grounded in Search Console data. If your site lives in a repo, SEOAgent is the more natural fit.
No real-time browser editor. SEOAgent’s model is different: your coding agent writes and edits pages in the repo, and the cloud layer reviews them against your Search Console performance and competitor research, proposing changes you approve.
Yes. Some teams research and draft long-form articles in Frase, then use SEOAgent to ship and continuously improve them in the codebase with real performance data. There is overlap on research, so most teams settle on one as their primary tool.
The Skill is free forever and runs locally. Autopilot is $49 per site per month and adds Google Search Console analysis, competitor and SERP research, and cloud review of suggested updates that sync back to your repo with one command.
SEOAgent’s Skill and CLI are free and run locally in Claude Code, Cursor, or Codex. You get the audit, the page writing, and the internal linking without a subscription, because the work runs on the model you already pay for. Search Console analysis and keyword research sit on the paid cloud tier. Frase itself has no free working tier.
For the research and brief half, MarketMuse. For the optimization editor half, Clearscope or Surfer SEO. Nothing replaces all three of Frase’s jobs in one browser app at the same price, which is why the honest answer depends on the job you open Frase for.
There is no export or migration step, because SEOAgent does not hold your content — your repo does. Install the Skill in your coding agent, run an audit against the live site, and work the findings. Articles you already published from Frase stay where they are; SEOAgent revises them in place as normal file edits.
See how SEOAgent stacks up against other SEO and content tools.
Install the free SEOAgent Skill for Claude Code, Cursor, or Codex and run your first audit in minutes. Add the cloud when you want measurement and review.
Give your Grok Bot an SEO harness to continually measure and grow your site's organic traffic.