Viator MCP

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

• Connection: Runs on your computer
• Transport: stdio
• Category: Search & AI memory
• You need to fill in: VIATOR_API_KEY

Install

Pick the AI app you use, then copy the settings.

You need

• npmNode.js installed (for the npx command)

Which app do you use?

{
  "mcpServers": {
    "viator": {
      "command": "npx",
      "args": [
        "-y",
        "@chrischall/viator-mcp"
      ],
      "env": {
        "VIATOR_API_KEY": "your-value",
        "VIATOR_API_BASE_URL": "your-value",
        "VIATOR_LANGUAGE": "your-value",
        "VIATOR_CACHE_TTL": "your-value",
        "VIATOR_STATIC_CACHE_TTL": "your-value"
      }
    }
  }
}

claude mcp add viator --env VIATOR_API_KEY=your-value --env VIATOR_API_BASE_URL=your-value --env VIATOR_LANGUAGE=your-value --env VIATOR_CACHE_TTL=your-value --env VIATOR_STATIC_CACHE_TTL=your-value -- npx -y @chrischall/viator-mcp

{
  "mcpServers": {
    "viator": {
      "command": "npx",
      "args": [
        "-y",
        "@chrischall/viator-mcp"
      ],
      "env": {
        "VIATOR_API_KEY": "your-value",
        "VIATOR_API_BASE_URL": "your-value",
        "VIATOR_LANGUAGE": "your-value",
        "VIATOR_CACHE_TTL": "your-value",
        "VIATOR_STATIC_CACHE_TTL": "your-value"
      }
    }
  }
}

{
  "servers": {
    "viator": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@chrischall/viator-mcp"
      ],
      "env": {
        "VIATOR_API_KEY": "your-value",
        "VIATOR_API_BASE_URL": "your-value",
        "VIATOR_LANGUAGE": "your-value",
        "VIATOR_CACHE_TTL": "your-value",
        "VIATOR_STATIC_CACHE_TTL": "your-value"
      }
    }
  }
}

Your choice stays on this device in a cookie; no account needed.

Values you fill in

• VIATOR_API_KEY secret required env
  Viator Partner API key (exp-api-key) — free Basic Access affiliate signup at partnerresources.viator.com
• VIATOR_API_BASE_URL env
  API host (default production; set https://api.sandbox.viator.com/partner for a sandbox key)
• VIATOR_LANGUAGE env
  Accept-Language for response text, e.g. en-US, es, fr, de, ja (default en-US)
• VIATOR_CACHE_TTL env
  Seconds to cache identical read responses (default 60; 0 disables)
• VIATOR_STATIC_CACHE_TTL env
  Seconds to cache reference data — destinations, tags, locations, rates (default 3600; 0 disables)

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

Runs on your computer; the tool list appears in your AI app after you install it.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 8, 2026

• ✓ Pass

  Maker matches the repo

  The registry name was verified with the GitHub account chrischall, which owns the repo

• … Not checked yet

  Still maintained

  We have not read this repo from GitHub yet

• … Not checked yet

  Has a licence

  We have not read this repo from GitHub yet

• – Not applicable

  Endpoint responds

  This one runs on your computer; there is no internet endpoint

• – Not applicable

  Sign-in with OAuth

  Runs on your computer and uses local settings instead

• … Not checked yet

  No hidden instructions in tool descriptions

  Runs on your computer; we can only read tool lists from internet endpoints

Compared with others in Search & AI memoryi

• More stars than 0% of the other 5692 servers in this category
• Published to the registry more recently than 92% of the other 5692 servers in this category
• Basic checks equal to or better than 100% of the other 5692 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Alternatives

Servers in the same category from other makers, sorted by stars.

Reading a card:↓ Downloads per weeki★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

README from the maker

{

npm install