DeepSmith

Sep 26 · Content Operations

17 min read

MCP Servers for the Content and AEO Stack: Which Data Sources to Connect First

Avinash Saurabh
Avinash Saurabh · CO-Founder & CEO
A monochrome abstract diagram of six outlying data-source cards wired by connecting lines into one central node, under the cover line Connect the Right Sources First.

You have a content agent, a long list of servers, and no idea which one to plug in first. That is a normal place to be.

Here is the good news. The MCP data sources content teams actually need fall into about seven groups, and the order you connect them matters far more than the count. Get the order wrong and your agent writes fast, confident articles about the wrong topics. Get it right and every source you add makes the last one smarter.

This guide gives you that order, judged on one thing: which connection moves your AI answer visibility soonest. You get nine steps, what "done" looks like at each one, and the mistake most teams make right before they get there.

You do not need all nine this quarter. You need the first two this month.

Step 1. Connect AI visibility tracking before anything else

Start where the evidence is.

Your agent cannot decide what to write until it knows what buyers ask AI engines and who gets named in the answers. That is what a visibility tracker holds: which prompts you show up in, which of your pages get cited, and which rival keeps winning the answer instead of you.

Deciding which MCP servers marketing teams should wire up first gets much simpler once you accept that. Nothing downstream is defensible without per-prompt citation data. Production without it ships articles nobody can check. Dashboards without it show rankings and never show a single AI citation.

Two numbers do the work here, and they are not the same thing. Mention Rate is how often an engine names your brand. Citation Rate is how often it links to your pages as a source. Share of Voice sits on top as a percentage against your named competitors, so read it as a share, not a rank.

DeepSmith holds this side of the stack. It tracks mention rate, citation rate, share of voice and sentiment across ten AI engines, breaks them out per engine and per prompt, ranks your tracked competitors on a leaderboard, and shows which of your own pages AI actually pulls into answers. Discover Prompts builds a starter prompt set from your product, persona and buyer-stage context, so you are not staring at a blank list on day one.

The AI Visibility overview reports mention rate, citation rate and share of voice as separate top-line metrics, with a per-engine breakdown beneath them and a competitor leaderboard ranking you against the rivals you track.

What done looks like: a view with mention rate, citation rate and share of voice, a competitor leaderboard, per-prompt history, and a per-engine breakdown.

Where teams go wrong: treating tracking as a passive dashboard. That mistake is almost universal, so do not feel bad if it sounds familiar. The data has to feed an idea queue, not a browser tab. And check engine coverage against the engines your buyers actually use, not the vendor's default list.

Step 2. Lock your brand context before you produce at scale

Do your drafts all sound like everyone else's? This is the step that fixes it, and almost nobody does it second.

Brand context is the layer that tells the agent who you are, what you sell, who you sell to, and what you are not allowed to claim. Positioning, differentiators, product features, buyer personas with their real challenges, voice, visual guidelines, reusable content types, and the sources you trust enough to link.

Skip it and you get drafts that drift in voice, invent product claims, or repeat what every other AI-written article already says. Every source you connect later produces context that has to line up with this layer. Connect it early and it pays off on every article after.

In DeepSmith this is Deep IQ: About Company, Products and Services, Buyer Persona, Brand Voice, Visual Guidelines and Content Types, set up once from your website and refined whenever you want. Every module reads from it. If you are assembling your own stack instead, the equivalent is a Notion, Google Drive or wiki server exposing those same fields as resources the agent can read.

What done looks like: every draft names the right product line, the right claims, the right persona detail, and sounds like you wrote it. Your content types exist as templates, each with its own trusted-source list.

Common mistake: dumping a style guide PDF into a folder and calling it done. Brand context has to be structured fields the agent can read at the edge of a prompt, not a document it has to page through.

Step 3. Wire your CMS for drafts, never for deletes

Most teams connect content tools MCP servers expose in the order the vendors announced them. Publishing is the one that actually unblocks the agent, so it goes third.

Once drafts exist, the bottleneck is where they go, every time. If publishing is a manual copy and paste, your agent's output stalls in a doc and the loop never closes.

Pick one CMS as the primary target and leave the rest decoupled. What you connect changes by platform:

  • WordPress. The MCP Adapter is now the canonical package, and the older Automattic reference plugin is being deprecated in favor of it, so start on the adapter rather than migrating later. It runs Streamable HTTP through the existing REST API, or STDIO through WP-CLI. Auth uses application passwords plus the WordPress capabilities system, and tokens should be short lived, in the range of one to 24 hours.
  • Sanity. The hosted server at mcp.sanity.io supports OAuth or a token. Its tools run GROQ queries, patch documents against the schema, create drafts, publish, unpublish and discard. Edits always land on the draft or release version, so published content is never changed directly. Sessions typically expire after seven days, and a few image tools consume AI credits while most calls do not.
  • Contentful. Four APIs sit underneath: Management for creating and updating entries and assets, Delivery for published content, Preview for unpublished content, and a GraphQL API generated from your content model.

What done looks like: the agent can read site structure, create and update drafts, attach media, and route work for review. Delete is off.

Common mistake: turning on write, or worse delete, before the brand layer exists. Every first-party CMS server warns the same way. Write access inherits the signed-in user's permissions, and delete operations can permanently remove data. Gate writes behind a human review step and scope them to the smallest object set the agent needs.

DeepSmith publishes straight to WordPress, Webflow, Strapi, Sanity or Contentful, or to your own webhooks, and finished articles land in Produced Content where you review, edit and publish them.

Step 4. Connect your docs and knowledge base

Your brand layer is the curated truth. Your docs are the long tail.

Product specs, positioning memos, sales briefs, archived research, engineering notes: this is the context that lets an agent ground a technical claim instead of hand-waving at it. It comes fourth because docs added too early drown the agent in internal jargon before the brand layer has shaped its voice.

Notion is the usual first stop for content agent integrations of this kind. The hosted server at mcp.notion.com/mcp runs Streamable HTTP, with an SSE endpoint as a fallback for clients that cannot do it and a local STDIO option for development. OAuth is required, and authorization is interactive today, so there is no headless setup yet. You choose between organization access, where members share one connection through a service account, and personal access, where each person authenticates as themselves. Notion recommends the hosted endpoint and has said the open-source version is no longer actively maintained, which is worth knowing before you build on it.

Confluence and Google Drive are the natural next two. Confirm the tool surface against current vendor docs when you connect, because this category changes faster than any other.

What done looks like: the agent can find and quote internal specs that prove a claim, without any of it leaking into public copy.

Where teams go wrong: connecting every workspace at once. Access is scoped to the workspace you connect and tokens inherit the permissions of whoever authorized them, so broaden only after read and write are properly separated.

Step 5. Add Search Console, and know what it will not tell you

You already have this data. It is free, it is authoritative for Google, and it is the baseline everything else gets compared against.

The Search Console API gives you search analytics you query with dimensions and filters. Dimensions are country, device, page, query, searchAppearance, date and hour. Filters are equals or a case-insensitive contains. Every row comes back with clicks, impressions, CTR as a value between zero and one, and average position.

The limits are real, and your agent has to respect them:

  1. Row limit runs from one to 25,000 per request, defaulting to 1,000.
  2. You page through results by re-running the query with the start row moving up by 25,000 until you hit the last page.
  3. There is a cap of 50,000 rows per day per search type, on top of normal API quota.
  4. Grouping by page or query can drop rows to keep responses fast, so drop both dimensions when you need accurate totals.
  5. Data usually arrives two to three days late, and fresh data carries markers telling you which values can still move.

Now the part that surprises people. Google's own guidance on AI features says the same SEO fundamentals still apply, with no extra technical requirements, no new machine-readable file, and no special schema markup needed to appear. A page has to be indexed and eligible for a normal snippet to be eligible for a supporting link, and even then nothing is guaranteed. AI Overviews and AI Mode may use a query fan-out, firing several related searches to build one answer, and they may use different models, so the same question can return different links in each.

What done looks like: the agent pulls per-query and per-page performance on schedule, paginates correctly, and never quotes a number it pulled while grouping by page and query.

Where teams go wrong: hunting for an AI Overviews filter. There is not one. Pages that appear in AI features are reported inside the Web search type alongside everything else, which is exactly why step one exists.

Step 6. Add GA4 for what happens after the click

Search Console tells you which queries earned a click. It stops at the moment of the click. GA4 picks up from there and tells you what that visitor did next.

The Data API is the connection point, and it does not work with legacy Universal Analytics properties. It returns the same report data as the interface and respects your property's reporting identity settings, so your counts match what your team already sees.

A handful of methods cover almost every content use case. runReport is the one to start with for simple queries. batchRunReports groups several at once, runPivotReport handles the more advanced shapes, and runRealtimeReport covers the live window. getMetadata and checkCompatibility let the agent discover which dimensions and metrics a property supports before it asks for something that does not exist.

Timing matters more than people expect. The realtime window covers the last 30 minutes, or 60 minutes on 360 properties. Intraday data lands two to six hours after the fact. Daily data is typically ready around 11:30am in the property's own time zone. Attribution credit can keep shifting for up to 12 days after a key event, so a conversion number you read on Monday is not final.

What done looks like: the agent can answer whether the page that earned a citation actually produced engaged sessions and conversions, not just impressions.

Where teams go wrong: treating GA4 as a substitute for Search Console. It sees only what happened after the click. It cannot tell you whether the page was ever cited.

Step 7. Layer in live SERP and SEO data, pointed narrowly

This is the most expensive category per call. It is also the easiest to let run wild. That is why it waits until step seven, when your agent already knows which prompts and pages you care about.

Three options come up most often in an AEO stack MCP servers can feed:

  • SerpApi. Hosted at mcp.serpapi.com, with your key either in the path or in an Authorization header. It covers Google, Bing, Yahoo, DuckDuckGo, Yandex, Baidu, YouTube and more, and formats answer boxes, organic results, news, images and shopping automatically. Output comes as full JSON, compact JSON, or Markdown. The free plan is 250 searches a month.
  • Ahrefs. Available on the paid plans. Rows per request scale from 100 to 250 to 500 to unlimited as you move up, and monthly API units run 100,000, 400,000, one million, then two million. Declared use cases are keyword research, competitive analysis, backlink audits, content planning and content improvement.
  • Semrush. Streamable HTTP only, with OAuth as the default and an API key as the fallback. Units are sold in packages of two, five, ten or 20 million. Its discovery tools cover domain overview, organic research, keyword research, competitor research and backlink research.

Pro tip: use the Markdown output mode where a SERP server offers one. SerpApi puts the saving at roughly 50% of tokens on average, and more than 90% on responses with deeply nested JSON. Pair that with an allow-list built from the prompts you already track and your research bill drops without losing any signal.

What done looks like: calls are gated behind the prompts you track, unit budgets are visible to the whole team, and nobody is surprised by an invoice.

Where teams go wrong: connecting all three and letting the agent query freely. Quotas burn fast, and you lose the ability to tell which source actually moved anything.

Step 8. Connect CRM last, and read-only first

CRM is the most sensitive category in the stack and the most tightly scoped by role. It also pays back the least until everything above it is stable, which is why it goes last.

Connected properly, it tells the agent who is actually in the funnel, what they converted on, and which segments your personas map onto.

HubSpot's server gives an agent read and write access to CRM objects: contacts, companies, deals, tickets, products, orders, invoices, quotes and more. Organizational context like users, teams, owners and roles is read-only, and so are campaigns and campaign assets. Custom sensitive data properties, including health information and other highly sensitive fields, are blocked outright. Auth is OAuth 2.0 today, with alignment to OAuth 2.1 and its PKCE and refresh token requirements planned, so build your token handling with that in mind.

Salesforce takes a slightly different route. Its hosted servers are generally available and expose your org's data, flows, Apex actions and queries through a Salesforce-managed endpoint. Every transaction runs with the signed-in user's identity and permissions, so if that person cannot do something, neither can the agent. The server defines exactly which operations exist, and a separate OAuth scope grants MCP access without opening up your existing REST integrations.

What done looks like: read-only access first, writes only after your brand layer and prompt list have settled, and sensitive fields left alone.

Step 9. Close the loop every week

Here is the step the other eight exist for.

Once your sources are connected, the agent can read its own results. It sees which tracked prompts you lost, which competitor page took the citation, and which of your pages earn nothing. It points the next batch of work at that evidence. It ships. Then it measures again.

DeepSmith runs this loop end to end. Opportunity Agents read your visibility data and your Content Map and return ideas with the data point that justifies each one attached, so your backlog is defensible instead of brainstormed. Ideas land in New Ideas, get a date in Planned Content, and either go through the Writer or write themselves on schedule with Autowrite. Finished articles arrive with internal links, external links, metadata and a cover image already in place, plus social versions ready in the Apps Library.

What done looks like: every idea in your queue carries its evidence, drafts land in your CMS for review, and next month's tracking shows whether it worked.

Where teams go wrong: stopping at production. Without a weekly read of the tracking data, the agent never learns which shape of content actually earns AI citations, and you are back to guessing with better tooling.

The first four connections form a closed loop, citation tracking into brand context into CMS publishing into a weekly read that returns to tracking, while docs, Search Console, GA4, SERP and SEO data and CRM sit below as sources added only once that loop is already running.

What to do next

Pick one step and do it this week.

If you have no citation tracking, that is step one and nothing else comes close. If you already track, wire your brand context next, then your CMS. Everything from step five onward is optimization, and optimization on top of an unmeasured loop is just extra bills.

You do not have to connect content tools MCP servers offer all in one sprint. Two good connections beat eight half-configured ones, every time. Treat content agent integrations the way you treat hiring: slowly, and only when the last one is working.

Want the first two steps handled in one place instead of wired together? Start a free DeepSmith trial and see your mention and citation rates on real prompts before you pay for anything.

Frequently asked questions

Which MCP data sources content agents connect first for AEO?

Start with AI visibility and citation tracking, so the agent knows which prompts to target. Then brand context, then your CMS, then docs, then Search Console, then GA4, then SERP and SEO data, then CRM. The order follows a dependency chain: nothing downstream is defensible without per-prompt citation data and a brand layer that constrains what gets claimed.

Why does the CMS come third instead of first?

Because an agent producing drafts without brand context writes generic copy that fails review, and an agent writing without citation data writes to the wrong prompts. A publishing connection only matters once there is content worth publishing. Get tracking and brand context in place, then give the output somewhere real to land.

Why is Search Console not enough on its own?

Search Console is authoritative for Google Search and includes traffic from pages that appear in AI features, but it does not break those features out as their own filter, and it knows nothing about how ChatGPT, Perplexity or Gemini describe you. For cross-engine mention and citation rates you need a dedicated tracker.

Which categories can a small team skip?

Deciding which MCP servers marketing teams can safely skip comes down to one test: will it repay the setup cost this quarter? For a lean team the working minimum is an AI visibility tracker with production built in, one CMS connection, and a docs server if your specs live somewhere like Notion. SERP and SEO servers are optional unless research is your real bottleneck, and CRM can wait until segment-level targeting is genuinely on your roadmap. That is a much shorter list of AEO stack MCP servers than most vendor guides suggest.