The Toolkit take
5,000 words
Penn's upper length; Sintra says quality usually drops on long documents, so split them.
Advisory only
Seomi recommends fixes; she cannot log into your site to make them
Drafts
What Penn pushes to WordPress; publishing depends on the scope you grant
Weeks to months
How long Sintra says SEO results take

A writer and an advisor, not an SEO autopilot

Sintra can carry most of the thinking and writing in an SEO and copy routine, but not the final click. Seomi, the SEO specialist, researches keywords, audits pages and plans topics; Penn, the copywriter, turns that plan into copy in your brand voice, up to a 5,000-word document [1]. Neither one publishes on its own. Seomi only advises, and Penn pushes drafts that you review. That split is the verdict: the pair suits an owner or small team who wants research and first drafts done, and who is willing to approve every page before it goes live.

Both helpers come with Sintra X, the only plan, at $48.50 a month billed monthly, $23.60 a month billed quarterly or $15.60 a month billed yearly, with VAT added at checkout. Seomi has no separate SEO add-on. Sintra does not guarantee the renewal price: its Terms say renewals are charged at the then-current rate and offer prices may apply only to the first term. Check the renewal amount in Manage billing before the renewal date; the help center notes the renewal summary may show the pre-discount amount while the discounted amount is charged. Everything below assumes that one plan and its 250 monthly credits.

Stage one: teach Brain AI your voice before Penn writes a word

Penn writes from what Brain AI holds: brand voice, business details and instructions. Brain AI is the shared knowledge hub for all twelve helpers, and its Brand Kit stores your logo, colors, brand voice, value proposition and business description. Upload tone guidelines, product details and service descriptions as files of up to 20 MB each; PDF, DOCX, TXT, Markdown and HTML work if the text can be copied. Scanned PDFs cannot be read. Public, crawlable web links work too, so your existing about page can serve as a reference.

There is a trap in how knowledge gets saved. When a helper saves a chat message to Brain AI, it stores a summarized snippet that can lose nuance. Sintra itself recommends saving brand guidelines and legal text manually to keep the exact wording. Integrations do not feed Brain AI automatically either: a style guide sitting in Google Drive or Notion is not live-synced, and only what sits in All Knowledge is used consistently. Deleting knowledge is final. There is no confirmation and no undo.

💡
Toolkit tip
Save style guides by hand

A helper saving a chat message to Brain AI stores a summarized snippet. Add brand guidelines manually so the exact wording survives.

Length is the other setup decision. Penn handles anything from a short caption to a 5,000-word document, but Sintra says quality usually drops on long documents. Ask for long guides in portions, section by section, and stitch them yourself. Each workspace has its own Brain AI, so Penn learns each brand voice separately; a second brand belongs in a second workspace. Each workspace also has its own plan and credit balance, so a second brand runs on 20 free credits a month unless you pay for a plan there; Sintra does not publish that price. Sintra also notes that learning takes a few conversations, so expect the first drafts to need heavier edits.

Curious how Sintra feels in practice?Try Sintra →

Stage two: give Seomi the inputs for an audit

Seomi covers keyword research, on-page SEO, crawlability and speed checks, competitor and content-gap research, and content planning. A site audit reports issues such as broken links, missing meta tags and slow pages, and she reviews a site's backlink profile and flags harmful links. On finished content, she checks keyword density, meta tags, readability, internal linking and image optimization. The report appears in chat, where you can copy it, download it or save it to Brain AI.

She does not go looking on her own. Seomi needs you to supply URLs, keywords or uploaded reports; she does not crawl live data automatically or reach Google Analytics without setup. She is advisory only: she cannot log into your website to edit code, change content or implement fixes [2]. Her product page says she can apply fixes herself, but the help center is the authority here. Her scope is technical and textual SEO, so she will not judge visual design.

💡
Toolkit tip
Hand Seomi the raw material

Seomi needs URLs, keywords or uploaded reports and does not crawl live data on her own. Start every audit by pasting the pages you care about.

Two absences shape the plan. Link building and outreach to other websites are not part of her job; she works on your own pages, content and keywords [3]. And results are slow by Sintra's own account, taking weeks to months. Budget a quarter before judging whether the routine works. If backlinks matter for your niche, keep that work with a person or an agency, and use Seomi's backlink review only to spot harmful links pointing at you.

Stage three: hand the plan from Seomi to Penn

The intended flow has three steps. Seomi plans the blog topic, keywords and title. Penn writes the post in your voice. Commet publishes it, but only on a website Commet built and hosts on Sintra. Seomi can also write SEO-optimized blog posts around chosen keywords herself, and Penn's integration pages say he writes for readers first, leaving deeper keyword work to Seomi.

Helpers can delegate to each other inside one chat, with limits. Only the helper you are chatting with can use integrations, the main helper cannot delegate, and the conversation between helpers is not saved in Chat History. Sintra calls this feature still in development. In practice, run the audit in Seomi's chat, save her plan to Brain AI, then open Penn's chat and point him at it. That keeps the keyword brief in one place both can read.

Check the copy before it ships. Sintra says hallucinations cannot be removed completely, including a helper claiming abilities it does not have. Its advice: specific prompts, checked output, a retry in a new chat, and a well-stocked Brain AI. You own the outputs, but they may not be unique, and Sintra gives no guarantee they can be copyrighted.

Stage four: move drafts into WordPress, Webflow or Shopify

Where the copy lands depends on the integration and the access you grant. Penn asks for specific scopes when you connect a site, and Webflow lets you limit access to a single site. Sintra lists WordPress.com among its integrations; a self-hosted WordPress install may behave differently, so connect it and test one throwaway draft first. Plan on publishing each page yourself.

Destination What happens Condition
WordPress Penn pushes a draft for you to review and publish Post and meta read and write scopes; self-hosted and WordPress.com may differ
Webflow Penn writes into the CMS, or you paste the copy Direct CMS writing depends on the current scope
Shopify Penn writes product descriptions in batches You approve them in batches
Commet site Commet publishes the post Only a site Commet built on Sintra
Squarespace, Shopify or Wix site Commet edits through API access or gives instructions He cannot redo page designs there

For WordPress, the integration page is plain: Penn pushes drafts, and publishing depends on the current scope [4]. Treat it as a drafting pipe. Shopify product descriptions follow a tone reference you keep in Brain AI, written one by one in chat and approved together, which suits a catalog refresh more than a single launch page. Seomi's recommendations for a Shopify store still need doing by hand or through whatever the integration allows.

Ready to put Sintra to the test?Try Sintra →

Stage five: a weekly routine on 250 credits

Sintra says Seomi can re-check a site weekly; one way to make that a routine is a recurring scheduled task. You write a prompt, pick a timetable such as weekly, and the task runs from the Tasks tab, starting the day after you create it. Each task keeps the timezone it was created in. It fails if an integration it needs is not connected. One customer case study describes a daily Seomi blog post and a monthly Seomi top-five keywords report; treat that as one business's setup, not a template.

⚠️
Watch out
Scheduled tasks skip approval

A recurring scheduled task runs with no approval step and costs credits each run. Keep SEO tasks to reports and drafts you review afterwards.

Credits are the budget. A chat message costs 0.1 to 1 credit, and longer threads cost more. A scheduled task costs 1 to 5 credits for basic work, 3 to 10 for research and 5 to 20 or more for complex jobs. A website scrape is about 0.5 credit. The 250 credits reset monthly with no rollover, even on yearly billing, and Sintra can change credit costs. The usage log shows what each action actually cost, so read it after the first month. For how credits behave across all twelve helpers, see the Sintra AI playbook.

Team setups add one wrinkle. Team members get their own logins at no extra charge, but they share the workspace's credits, so more writers drain the pool faster. The owner is the only role; there is no editor or reviewer permission. Teams that need a sign-off chain should read Sintra for marketing teams first. If social posts are part of the same calendar, Soshie can take Penn's copy into her content calendar, where posts wait for your approval before they are scheduled; a direct TikTok post, by contrast, publishes immediately.

Frequently asked questions

Can Penn write in languages other than English?+

Yes. Sintra says Penn writes in 100+ languages, using the brand voice stored in the workspace's Brain AI.

Can Seomi read my Google Analytics data?+

Not on her own: Seomi needs setup to reach Google Analytics. Sintra's GA4 integration (read access, summaries in chat) is described for Dexter, the data analyst, so confirm with Sintra what Seomi can use from it.

Who owns the copy Penn writes?+

You do, under Sintra's Terms. The outputs may not be unique, and Sintra gives no guarantee that they can be copyrighted.

Can Penn keep separate voices for several brands?+

Yes, through separate workspaces: each has its own Brain AI, so Penn learns each voice separately. Each workspace has its own plan and credit balance: a new one starts with 20 free credits a month and no automations unless you pay for a plan on it, and Sintra does not publish that price.

Who gets real value from Sintra's SEO and copy pair

The pair earns its place for a small business that publishes regularly, owns a WordPress, Webflow or Shopify site, and wants keyword research, audits and first drafts without hiring a writer and an SEO consultant. It disappoints anyone expecting rankings on autopilot: Seomi will not touch the site or build links, Penn hands over drafts, and results take weeks to months by Sintra's own account. Feed Brain AI well, keep scheduled tasks to reports, and approve every page yourself.

Sources
  1. [1] Sintra: copywriter (2026-11) https://sintra.ai/ai-employees/copywriter
  2. [2] Sintra Help Center: How to analyze your website's SEO performance (2026-11) https://help.sintra.ai/en/articles/13009922-how-to-analyze-your-website-s-seo-performance
  3. [3] Sintra: seo agent (2026-11) https://sintra.ai/ai-employees/seo-agent
  4. [4] Sintra: wordpress (2026-11) https://sintra.ai/integrations/wordpress
All 8 sources we used for this article
  1. 1. Sintra: copywriter (2026-11) https://sintra.ai/ai-employees/copywriter
  2. 2. Sintra Help Center: How to analyze your website's SEO performance (2026-11) https://help.sintra.ai/en/articles/13009922-how-to-analyze-your-website-s-seo-performance
  3. 3. Sintra: seo agent (2026-11) https://sintra.ai/ai-employees/seo-agent
  4. 4. Sintra: wordpress (2026-11) https://sintra.ai/integrations/wordpress
  5. 5. Sintra AI pricing (US) https://sintra.ai/pricing
  6. 6. Sintra Help Center https://help.sintra.ai/en/
  7. 7. Sintra Terms of Service https://sintra.ai/legal/terms-and-conditions
  8. 8. Sintra Refund Policy https://sintra.ai/legal/refund-policy