Marker.io MCP server
Yes. Marker.io publishes an official MCP server at https://connect.marker.io/mcp. It's hosted. It offers 33 tools. We last checked it on 1 Nov 2026.
Official: documented on Marker.io's own site, at help.marker.io. Checked 1 Nov 2026. Maintained by Stuart Brameld.
Key facts
As of 1 Nov 2026, Marker.io's official MCP server scores 65/100 (provisional) on MartechDB's Agent Readiness Index (v1.1). It answered 15 of our 15 checks in the last 90 days and has 33 tools named in its documentation.
How the Agent Readiness Index works · Wrong? Suggest a correction
Marker.io MCP server review
65/100
Marker.io's Marker.io MCP scores 65/100 on MartechDB's Agent Readiness Index: easy to connect an AI agent to, with a few gaps.
The good
Hosted by Marker.io: connect by URL, with nothing to install
Documented, with 33 tools known
Answered 100% of our checks in the last 90 days
The bad
Nothing we've found.
Not checked yet: how you sign in; what agent access costs. Anything not checked scores nothing.
Official MCP server
Marker.io MCP
- Address
- https://connect.marker.io/mcp
- Runs
- Hosted
- Sign-in
- Vendor docs
- Official MCP Registry
- Not listed
- How we know it's official
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- Documented on Marker.io's own site, at help.marker.io.
- Tools
- 33 tools · from Marker.io's documentation
- First seen
- 17 Oct 2026
- Last checked
-
Reachable ·
26 Oct 2026: reachable27 Oct 2026: reachable28 Oct 2026: reachable29 Oct 2026: reachable30 Oct 2026: reachable31 Oct 2026: reachable1 Nov 2026: reachable
- Uptime
- 100% · 15 of 15 checks reachable since 18 Oct 2026
Marker.io MCP tools (33)
The server needs sign-in before it lists its tools, so these are as Marker.io's documentation names them (read 31 Oct 2026). They may be out of date.
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projects_listList Marker.io projects for the current team.
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project_getGet details of a specific project by projectId.
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project_list_usersList users (members) of a project by projectId. Returns id, name, email, role, avatar.
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issues_listList issues for a project, filterable by status, priority, searchText, with pagination.
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issue_getGet full details of a specific issue by issueId.
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issue_update_statusUpdate an issue's status (open, in-progress, waiting-for-customer, resolved, archived).
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issue_update_assigneeAssign or unassign an issue.
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issue_update_priorityUpdate an issue's priority (none, low, medium, high, blocker).
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issue_update_typeUpdate an issue's type.
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list_issue_typesList available issue types for a project.
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comment_createAdd a comment to an issue, with inline @userId mentions and Everyone or Member-only visibility.
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issue_get_contextGet technical context: browser, OS, screen size, console log summaries, network request summaries.
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issue_get_console_logGet full details of a specific console log entry.
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issue_get_network_requestGet full details of a specific network request.
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issue_get_screenshotGet a signed URL for the issue's screenshot.
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issue_get_attachmentsList issue attachments with signed download URLs.
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monitor_summaryGet a project's accessibility overview: current score, recent change, and pass, fail, and ignored check counts.
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monitor_pages_listList monitored pages with each page's score, failing-check count, and last scan status.
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monitor_checks_listList accessibility checks (WCAG rules), defaulting to failing checks ranked by score impact.
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monitor_check_guideGet the step-by-step guide for fixing a specific check, by checkId.
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monitor_elements_listList failing elements, grouped by fingerprint, with occurrence and page counts.
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monitor_element_getGet one element's full HTML, suggested fix, failing check, and the pages it appears on.
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monitor_element_screenshotGet a rendered screenshot of a failing element.
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monitor_scans_listList scan history with scores over time to see the accessibility trend.
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monitor_scan_triggerStart a scan of the whole site, specific pages, or every page where an element appears.
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monitor_scan_getCheck a scan's progress, then its final score, score change, and pages scanned, by scanId.
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monitor_pages_updateAdd or remove monitored pages.
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monitor_elements_updateBulk ignore, unignore, resolve, or unresolve elements (up to 100 at once).
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monitor_checks_updateIgnore or unignore a check so it stops, or starts, counting toward the score.
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monitor_settings_getRead a project's monitoring configuration.
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monitor_settings_updateUpdate settings: enabled, WCAG level, best practices, schedule, and sitemap path.
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monitor_exclusions_updateAdd or remove URL exclusion rules.
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monitor_discoverRe-run sitemap page discovery.
Connect your AI to Marker.io
Add the official Marker.io MCP server to Claude, ChatGPT or your editor.
Connect Marker.io MCP to Claude
Claude.ai and Claude Desktop
Open Customize, then Connectors.
Click +, then Add custom connector.
Name it Marker.io, paste the address below and click Add.
Connect Marker.io MCP to ChatGPT
Open Settings, then Apps, then Advanced settings.
Turn on Developer mode, then click Create.
Name it Marker.io and paste the address below.
ChatGPT usually only connects to servers with self-serve sign-in or none.
Connect Marker.io MCP to Cursor
Opens Cursor if it's installed. If nothing happens, use the JSON below.
Connect Marker.io MCP to VS Code
Opens VS Code if it's installed. Otherwise add the JSON settings from the Cursor tab to your .vscode/mcp.json.
Marker.io MCP server questions
Does Marker.io have an official MCP server?
Yes. Marker.io publishes its MCP server itself. Marker.io's own documentation describes it. MartechDB only lists servers a vendor publishes, never community copies.
What is the Marker.io MCP server URL?
The address is https://connect.marker.io/mcp.
How do I connect Marker.io MCP to Claude, ChatGPT or Cursor?
In Claude, add https://connect.marker.io/mcp as a custom connector (Customize, Connectors, Add custom connector). In Cursor, use the Add to Cursor link on MartechDB's page, or paste the JSON settings into your mcp.json. In Claude Code, run: claude mcp add --transport http markerio https://connect.marker.io/mcp
What can the Marker.io MCP server do?
It offers 33 tools, including projects_list, project_get, project_list_users, issues_list and issue_get (as its documentation names them, read on 31 Oct 2026).
Is the Marker.io MCP server in the official MCP Registry?
No. Marker.io hasn't published it to the official MCP Registry.
Is the Marker.io MCP server working?
Yes. It answered our most recent check. We last checked it on 1 Nov 2026.
What are the alternatives to Marker.io's MCP server?
In User & market research, the most agent-friendly alternatives with an official MCP server are Condens Supercharge (91/100), CB Insights (85/100), Mintel (85/100), Dovetail (85/100) and Rally (85/100). Marker.io scores 65/100 on the same index.
Alternatives to Marker.io's MCP server
Vendors in User & market research with an official MCP server, the most agent-friendly first. Marker.io scores 65/100.
Condens Supercharge
condens.io
CB Insights
cbinsights.com
Mintel
mintel.com
Dovetail
dovetail.com
Rally
rallyuxr.com
Change history
What we've seen change for Marker.io, newest first.
-
Marker.io: Added to MartechDB with Marker.io MCP
Use with AI
Connect your AI to MartechDB
Then ask it about Marker.io, or any of the 1,698 marketing tools with an official MCP server. Free, no sign-in.
Claude.ai and Claude Desktop
Open Customize, then Connectors.
Click +, then Add custom connector.
Name it MartechDB, paste the address below and click Add. There's no sign-in.
The free plan allows one custom connector. On Team and Enterprise plans, an owner adds the connector first.
Claude Code
Run this in your terminal:
ChatGPT
Open Settings, then Apps, then Advanced settings.
Turn on Developer mode, then click Create.
Name it MartechDB, paste the address below and choose No authentication.
Developer mode is on Plus and Pro plans, and on Business, Enterprise and Edu if an admin allows it.
API
The same data as JSON, with no sign-in. See the OpenAPI description for every endpoint and field.
CLI
Search the directory and print the command to connect a vendor's server, from your terminal. Needs Node 18 or later. View on npm
Show that your MCP server is verified
If you work at Marker.io, add this badge to your MCP docs or README. It's free, it's the same for every vendor, and it updates from our daily checks: it shows uptime while the server responds, and says so if it stops.
Something wrong or out of date? Suggest a correction or email us, and we'll check it against the evidence. Every correction we make is listed on Corrections.