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 p7aa7nuz

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 p7aa7nuz, 82 of 100

#92,909 of 264,937 ranked100 pages read

Access100

Understand61

Trust100

Act57

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, and among sites its size#92,909of 264,937

LastFirst

100 pages or more#42,291 of 91,749

How fast it answers2 of 100 pages take more than 800 ms373 mstypical page

What is left to fixRules its pages still fail, by stage9rules fail

Access2fixes
100
Understand5fixes
61
Trust1fix
100
Act1fix
57

Signs of generated textHidden characters, text a model left in, and habits of machine writing11pages with strong signs

How it got here

2 reads since Oct 18. Here's how it moved.

Steady since first readDown 4,186 places

Best score82

Biggest move0the same every read

Reads2

Days tracked7Oct 18 to Oct 23

Places moved-4,186#88,723 to #92,909

Score82 to 82

By stageFirst, then now

Access100100Same

Understand6161Same

Trust100100Same

Act5757Same

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

25Mpages read

Reading now

Pages in flight: 18
Pages a minute: 447
Words a minute: 300k
Sites in line: 552

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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