io.github.livevariant/livevariant

up checked 2026-11-11T03:38:49.047Z

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Publisher-provided title

LiveVariant

Publisher-provided description

Build, inspect and read adaptive A/B tests. Config travels in the URL; no account or API key needed.

Summary by lookupd

Creates, inspects and reads adaptive A/B tests, with config carried in URLs and no account or API key needed for basic use.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http livevariant https://livevariant.com/mcp

Claude Code, npm package (stdio)

claude mcp add livevariant -- npx -y @livevariant/mcp

Codex, remote (streamable-http)

codex mcp add livevariant --url https://livevariant.com/mcp

Codex, npm package (stdio)

codex mcp add livevariant -- npx -y @livevariant/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "livevariant": {
      "url": "https://livevariant.com/mcp"
    }
  }
}

Cursor, npm package (stdio) → .cursor/mcp.json

{
  "mcpServers": {
    "livevariant": {
      "command": "npx",
      "args": [
        "-y",
        "@livevariant/mcp"
      ]
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (9 tools)

Publisher-provided text

• build_test Creates a LiveVariant test and returns every URL needed to run it, plus a freshly generated stats secret. Pass `variants` to test one element, or `slots` to te
• inspect_test Decodes a test and describes it: slots, variants, context, and whether it can be served by redirect. Also lints it for the mistakes that only show up once a cam
• generate_priors Takes YOUR estimate of how each variant will perform and converts it into the prior the model starts from, so a test does not spend its first visitors rediscove
• get_stats Fetches a test's results and works out what they mean. Alongside the raw counts it returns the probability that each combination is genuinely best and the expe
• get_test_status Reports what the deployment's registry knows about a test: whether it is claimed into an account (and by which organization), and whether each redirect destinat
• list_tests Lists tests registered to the signed-in account, newest first, with cursor pagination and an optional case-insensitive name filter. Only exists on deployments w
• register_test Registers a test you built earlier to the organization a publishable key belongs to, so it shows under My tests and its stats are readable from the dashboard wi
• upload_image Uploads an image to the deployment's asset store and returns its URL, for use as a variant's `image` (email tests) or `url`. The returned URL is deliberately n
• variant_brief Returns the constraints to write or generate test variants against, for email or web, plus the rules that decide whether a test can be read at all once it runs.

Details

• Version: 0.1.5
• Transports: streamable-http, stdio
• Uptime (7 days): 100%
• Median latency: 546 ms
• First indexed: 2026-11-01T09:38:37.386Z
• Last seen in registry: 2026-11-01T09:38:37.416Z
• Repository: https://github.com/livevariant/livevariant
• Website: https://livevariant.com

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