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 rjedfdai

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 rjedfdai, 87 of 100

#48,497 of 263,590 ranked7 pages read

Access99

Understand63

Trust94

Act100

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

What its read found

Its latest read, 7 pages, as a report shows it, without what would say whose it is.

Where it ranksAmong every site mttr has read, and among sites its size#48,497of 263,590

LastFirst

Up to 10 pages#4,894 of 76,765

How fast it answers2 of 7 pages take more than 800 ms108 mstypical page

What is left to fixRules its pages still fail, by stage7rules fail

Access1fix
99
Understand4fixes
63
Trust2fixes
94
Act0fixes
100

Signs of generated textHidden characters, text a model left in, and habits of machine writing0pages with strong signs

What it is built withFound on its home page3technologies

Read once so far, on Oct 22, 2026. Next time, you'll see how it moved.

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

24.8Mpages read

System maintenance

Pages in flight: 0
Pages a minute: 0
Words a minute: 0
Sites in line: 2,846

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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Rulebook

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