Connect your agentPick where it runs. mttr hands it the fixes, worth the most first.

Everything about agents on mttr

Claude CodeIn the terminal

Run this once, from any folder. Claude Code keeps it for every project.

Terminal

claude mcp add --transport http mttr https://mttr.si/mcp \
  --header "Authorization: Bearer $MTTR_KEY"

Every mttr skill, in one line, from the top of your site’s repository.

Terminal

npx skills add subinternal/mttr

Or only the mttr skill, into .claude/skills/mttr, with nothing to install first.

Terminal

mkdir -p .claude/skills/mttr/references \
  && curl -fsSL https://mttr.si/skills/mttr/SKILL.md -o .claude/skills/mttr/SKILL.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/tools.md -o .claude/skills/mttr/references/tools.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/workflows.md -o .claude/skills/mttr/references/workflows.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/reading-the-brief.md -o .claude/skills/mttr/references/reading-the-brief.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/confirming.md -o .claude/skills/mttr/references/confirming.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/shipping.md -o .claude/skills/mttr/references/shipping.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/troubleshooting.md -o .claude/skills/mttr/references/troubleshooting.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/after-a-rescan.md -o .claude/skills/mttr/references/after-a-rescan.md

All skills, and what each one does

CodexIn the terminal

Add this to Codex’s settings. It reads the key from your shell when it starts.

~/.codex/config.toml

[mcp_servers.mttr]
url = "https://mttr.si/mcp"
bearer_token_env_var = "MTTR_KEY"

Every mttr skill, in one line, from the top of your site’s repository.

Terminal

npx skills add subinternal/mttr

Or only the mttr skill, into .agents/skills/mttr, with nothing to install first.

Terminal

mkdir -p .agents/skills/mttr/references \
  && curl -fsSL https://mttr.si/skills/mttr/SKILL.md -o .agents/skills/mttr/SKILL.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/tools.md -o .agents/skills/mttr/references/tools.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/workflows.md -o .agents/skills/mttr/references/workflows.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/reading-the-brief.md -o .agents/skills/mttr/references/reading-the-brief.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/confirming.md -o .agents/skills/mttr/references/confirming.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/shipping.md -o .agents/skills/mttr/references/shipping.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/troubleshooting.md -o .agents/skills/mttr/references/troubleshooting.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/after-a-rescan.md -o .agents/skills/mttr/references/after-a-rescan.md

All skills, and what each one does

Gemini CLIIn the terminal

Add this to Gemini CLI’s settings, then start it again and run /mcp to see mttr’s tools.

~/.gemini/settings.json

{
  "mcpServers": {
    "mttr": {
      "httpUrl": "https://mttr.si/mcp",
      "headers": { "Authorization": "Bearer mk_your_key" }
    }
  }
}

Every mttr skill, in one line, from the top of your site’s repository.

Terminal

npx skills add subinternal/mttr

Or only the mttr skill, into docs/mttr, with a line in AGENTS.md that points to it.

Terminal

mkdir -p docs/mttr/references \
  && curl -fsSL https://mttr.si/skills/mttr/SKILL.md -o docs/mttr/SKILL.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/tools.md -o docs/mttr/references/tools.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/workflows.md -o docs/mttr/references/workflows.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/reading-the-brief.md -o docs/mttr/references/reading-the-brief.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/confirming.md -o docs/mttr/references/confirming.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/shipping.md -o docs/mttr/references/shipping.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/troubleshooting.md -o docs/mttr/references/troubleshooting.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/after-a-rescan.md -o docs/mttr/references/after-a-rescan.md \
  && echo "For checking and fixing a site with mttr, follow docs/mttr/SKILL.md." >> AGENTS.md

All skills, and what each one does

CursorIn the editor

Add this in the site’s repository, then turn mttr on under MCP in Cursor’s settings.

.cursor/mcp.json

{
  "mcpServers": {
    "mttr": {
      "url": "https://mttr.si/mcp",
      "headers": { "Authorization": "Bearer ${env:MTTR_KEY}" }
    }
  }
}

Every mttr skill, in one line, from the top of your site’s repository.

Terminal

npx skills add subinternal/mttr

Or only the mttr skill, into .cursor/skills/mttr, with nothing to install first.

Terminal

mkdir -p .cursor/skills/mttr/references \
  && curl -fsSL https://mttr.si/skills/mttr/SKILL.md -o .cursor/skills/mttr/SKILL.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/tools.md -o .cursor/skills/mttr/references/tools.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/workflows.md -o .cursor/skills/mttr/references/workflows.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/reading-the-brief.md -o .cursor/skills/mttr/references/reading-the-brief.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/confirming.md -o .cursor/skills/mttr/references/confirming.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/shipping.md -o .cursor/skills/mttr/references/shipping.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/troubleshooting.md -o .cursor/skills/mttr/references/troubleshooting.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/after-a-rescan.md -o .cursor/skills/mttr/references/after-a-rescan.md

All skills, and what each one does

AntigravityGoogle’s agent IDE

Add this under Settings, Customizations, MCP servers, or in this file; then refresh the list of servers. In one project only, use .agents/mcp_config.json instead.

~/.gemini/config/mcp_config.json

{
  "mcpServers": {
    "mttr": {
      "serverUrl": "https://mttr.si/mcp",
      "headers": { "Authorization": "Bearer mk_your_key" }
    }
  }
}

Every mttr skill, in one line, from the top of your site’s repository.

Terminal

npx skills add subinternal/mttr

Or only the mttr skill, into docs/mttr, with a line in AGENTS.md that points to it.

Terminal

mkdir -p docs/mttr/references \
  && curl -fsSL https://mttr.si/skills/mttr/SKILL.md -o docs/mttr/SKILL.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/tools.md -o docs/mttr/references/tools.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/workflows.md -o docs/mttr/references/workflows.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/reading-the-brief.md -o docs/mttr/references/reading-the-brief.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/confirming.md -o docs/mttr/references/confirming.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/shipping.md -o docs/mttr/references/shipping.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/troubleshooting.md -o docs/mttr/references/troubleshooting.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/after-a-rescan.md -o docs/mttr/references/after-a-rescan.md \
  && echo "For checking and fixing a site with mttr, follow docs/mttr/SKILL.md." >> AGENTS.md

All skills, and what each one does

VS CodeWith Copilot

Add this in the site’s repository. VS Code asks for the key the first time and keeps it safe.

.vscode/mcp.json

{
  "servers": {
    "mttr": {
      "type": "http",
      "url": "https://mttr.si/mcp",
      "headers": { "Authorization": "Bearer ${input:mttr-key}" }
    }
  },
  "inputs": [
    { "id": "mttr-key", "type": "promptString", "description": "Your mttr key", "password": true }
  ]
}

Every mttr skill, in one line, from the top of your site’s repository.

Terminal

npx skills add subinternal/mttr

Or only the mttr skill, into docs/mttr, with a line in AGENTS.md that points to it.

Terminal

mkdir -p docs/mttr/references \
  && curl -fsSL https://mttr.si/skills/mttr/SKILL.md -o docs/mttr/SKILL.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/tools.md -o docs/mttr/references/tools.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/workflows.md -o docs/mttr/references/workflows.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/reading-the-brief.md -o docs/mttr/references/reading-the-brief.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/confirming.md -o docs/mttr/references/confirming.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/shipping.md -o docs/mttr/references/shipping.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/troubleshooting.md -o docs/mttr/references/troubleshooting.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/after-a-rescan.md -o docs/mttr/references/after-a-rescan.md \
  && echo "For checking and fixing a site with mttr, follow docs/mttr/SKILL.md." >> AGENTS.md

All skills, and what each one does

WindsurfIn the editor

Add this to Windsurf’s MCP settings, then refresh its list of servers.

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "mttr": {
      "serverUrl": "https://mttr.si/mcp",
      "headers": { "Authorization": "Bearer mk_your_key" }
    }
  }
}

Every mttr skill, in one line, from the top of your site’s repository.

Terminal

npx skills add subinternal/mttr

Or only the mttr skill, into docs/mttr, with a line in AGENTS.md that points to it.

Terminal

mkdir -p docs/mttr/references \
  && curl -fsSL https://mttr.si/skills/mttr/SKILL.md -o docs/mttr/SKILL.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/tools.md -o docs/mttr/references/tools.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/workflows.md -o docs/mttr/references/workflows.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/reading-the-brief.md -o docs/mttr/references/reading-the-brief.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/confirming.md -o docs/mttr/references/confirming.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/shipping.md -o docs/mttr/references/shipping.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/troubleshooting.md -o docs/mttr/references/troubleshooting.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/after-a-rescan.md -o docs/mttr/references/after-a-rescan.md \
  && echo "For checking and fixing a site with mttr, follow docs/mttr/SKILL.md." >> AGENTS.md

All skills, and what each one does

Any agentOver MCP

Any client that speaks MCP over HTTP connects with these three things.

Settings

Address    https://mttr.si/mcp
Transport  Streamable HTTP
Header     Authorization: Bearer mk_your_key

Every mttr skill, in one line, from the top of your site’s repository.

Terminal

npx skills add subinternal/mttr

Or only the mttr skill, into docs/mttr, with a line in AGENTS.md that points to it.

Terminal

mkdir -p docs/mttr/references \
  && curl -fsSL https://mttr.si/skills/mttr/SKILL.md -o docs/mttr/SKILL.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/tools.md -o docs/mttr/references/tools.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/workflows.md -o docs/mttr/references/workflows.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/reading-the-brief.md -o docs/mttr/references/reading-the-brief.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/confirming.md -o docs/mttr/references/confirming.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/shipping.md -o docs/mttr/references/shipping.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/troubleshooting.md -o docs/mttr/references/troubleshooting.md \
  && curl -fsSL https://mttr.si/skills/mttr/references/after-a-rescan.md -o docs/mttr/references/after-a-rescan.md \
  && echo "For checking and fixing a site with mttr, follow docs/mttr/SKILL.md." >> AGENTS.md

All skills, and what each one does

LeaderboardEvery site, ranked Free toolsChecks, no sign-up AgentsYour agent fixes it DocsThe API and MCP

An anonymous site

Site 5mi6pyew

Read by mttr. Its owner has not put its name to it, so this page says how it stands and nothing that would give it away.

Site 5mi6pyew, 85 of 100

#68,813 of 263,582 ranked #111 of 367 in Online shops100 pages read

Access100

Understand74

Trust99

Act56

A score says pages are well formed. It does not say an assistant cites the site.

What its read found

Its latest read, 100 pages, as a report shows it, without what would say whose it is.

Where it ranksAmong every site mttr has read, in its own line of work, and among sites its size#68,813of 263,582

LastFirst

Online shops#111 of 367
100 pages or more#30,908 of 91,396

How fast it answers8 of 100 pages take more than 800 ms264 mstypical page

What is left to fixRules its pages still fail, by stage15rules fail

Access1fix
100
Understand10fixes
74
Trust2fixes
99
Act2fixes
56

Signs of generated textHidden characters, text a model left in, and habits of machine writing2pages with strong signs

What it is built withFound on its home page5technologies

S

How it got here

2 reads since Oct 17. Here's how it moved.

Down 1 since first readDown 14,552 places

Best score86

Biggest move-1between two reads

Reads2

Days tracked6Oct 17 to Oct 22

Places moved-14,552#54,261 to #68,813

Score86 to 85

By stageFirst, then now

Access100100Same

Understand7774-3

Trust9999Same

Act5756-1

Where does yours stand?

Read your site, see its score and its place, and what to fix to climb.

Agentic SEO, GEO and AI citation optimization. mttr reads your site the way search engines and assistants do, hands the fixes to your agent, and checks each one on the live site.

719Ksites read

24.9Mpages read

Reading now

Pages in flight: 18
Pages a minute: 494
Words a minute: 496k
Sites in line: 2,722

Asked forDeep readsCrawlJust read

Connect an agent

Claude CodeIn the terminalSetup

Terminal

claude mcp add --transport http mttr https://mttr.si/mcp \
  --header "Authorization: Bearer $MTTR_KEY"

Run it once in a terminal with MTTR_KEY set. Claude Code keeps it for every project.

CodexIn the terminalSetup

~/.codex/config.toml

[mcp_servers.mttr]
url = "https://mttr.si/mcp"
bearer_token_env_var = "MTTR_KEY"

Paste it into Codex’s config. Codex reads MTTR_KEY from your shell.

Gemini CLIIn the terminalSetup

~/.gemini/settings.json

{
  "mcpServers": {
    "mttr": {
      "httpUrl": "https://mttr.si/mcp",
      "headers": { "Authorization": "Bearer mk_your_key" }
    }
  }
}

Paste it into Gemini CLI’s settings, start it again, then run /mcp.

CursorIn the editorSetup

.cursor/mcp.json

{
  "mcpServers": {
    "mttr": {
      "url": "https://mttr.si/mcp",
      "headers": { "Authorization": "Bearer ${env:MTTR_KEY}" }
    }
  }
}

Paste it in your site’s repository, then turn mttr on under MCP in Cursor.

AntigravityGoogle’s agent IDESetup

~/.gemini/config/mcp_config.json

{
  "mcpServers": {
    "mttr": {
      "serverUrl": "https://mttr.si/mcp",
      "headers": { "Authorization": "Bearer mk_your_key" }
    }
  }
}

Paste it under Settings, Customizations, MCP servers, then refresh the list.

VS CodeWith CopilotSetup

.vscode/mcp.json

{
  "servers": {
    "mttr": {
      "type": "http",
      "url": "https://mttr.si/mcp",
      "headers": { "Authorization": "Bearer ${input:mttr-key}" }
    }
  },
  "inputs": [
    { "id": "mttr-key", "type": "promptString", "description": "Your mttr key", "password": true }
  ]
}

Paste it in your site’s repository. VS Code asks for the key once.

WindsurfIn the editorSetup

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "mttr": {
      "serverUrl": "https://mttr.si/mcp",
      "headers": { "Authorization": "Bearer mk_your_key" }
    }
  }
}

Paste it into Windsurf’s MCP settings, then refresh the list.

Any agentOver MCPSetup

Settings

Address    https://mttr.si/mcp
Transport  Streamable HTTP
Header     Authorization: Bearer mk_your_key

Any client that speaks MCP over HTTP connects with these three.

Product

For agents

Company

Free tools

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