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MCP live MCP 2025-11-25 streamable-http

LiveVariant

io.github.livevariant/livevariant

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

Watch this dependency Share evidence report
Uptime
100.0%
5 direct probes · 30d
Response
631ms
last probe
Tools
9
callable
Resources
1
readable
Prompts
0
available
Primary URL
https://livevariant.com/mcp
Score: 100/100
Handshake verified by our own probe.
pass Answers the MCP handshake 50/50
The handshake and the list calls succeeded on the primary URL.
pass Lists tools, resources or prompts 30/30
9 tools, 1 resources, 0 prompts returned.
pass 3 or more catalogue items 10/10
10 items in total; 3 or more earns these points.
pass Describes itself 10/10
100 characters; more than 30 earns these points.

Tools · 9

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 test several at once (hero image AND call-…

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 campaign is out, such as an email test whos…

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 rediscovering what you already suspect. You supp…

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 expected cost of stopping now and keeping th…

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 destination is a verified domain. Unverified de…

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 with accounts, and only answers for an id…

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 without the secret. Use this only when th…

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 not fetchable on its own: assets are only…

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. The one that matters most: one idea pe…

Resources · 1

skill

The full LiveVariant skill: recipes and pitfalls for building and reading A/B tests with these tools. Read this before your first build_test call.

https://livevariant.com/skills/livevariant/SKILL.md

How to use

Claude Desktop or claude.ai: add a custom connector (Customize → Connectors; on Team and Enterprise plans an owner adds it under Organization settings → Connectors) with this server URL: https://livevariant.com/mcp

Cursor or Cline: add to your MCP config:

{
  "mcpServers": {
    "livevariant": {
      "url": "https://livevariant.com/mcp",
      "transport": "streamable-http"
    }
  }
}