LiveVariant

Name: LiveVariant
Author: livevariant

MCP serverMCP

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

Until 2026-09-24 this record combined several servers published from one repository. The others now have records of their own: @livevariant/tools. Checks from before that date include them.

by livevariantrepository ↗homepage ↗v0.1.5AGPL-3.0

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Observed by Wellknown

Evidence

Everything here was measured by our prober or read from a registry. Nothing is self-reported.

30-day availability111/111 checks ok

when	check	result	http	latency	detail
5 h ago	mcp initialize	ok	200	79 ms	server livevariant 0.1.5 · protocol 2025-06-18 · 9 tools
12 h ago	mcp initialize	ok	200	47 ms	server livevariant 0.1.5 · protocol 2025-06-18 · 9 tools
22 h ago	mcp initialize	ok	200	208 ms	server livevariant 0.1.5 · protocol 2025-06-18 · 9 tools
30 h ago	mcp initialize	ok	200	81 ms	server livevariant 0.1.5 · protocol 2025-06-18 · 9 tools
2 d ago	mcp initialize	ok	200	36 ms	server livevariant 0.1.5 · protocol 2025-06-18 · 9 tools
2 d ago	mcp initialize	ok	200	105 ms	server livevariant 0.1.5 · protocol 2025-06-18 · 9 tools
2 d ago	mcp initialize	ok	200	93 ms	server livevariant 0.1.5 · protocol 2025-06-18 · 9 tools
2 d ago	mcp initialize	ok	200	37 ms	server livevariant 0.1.5 · protocol 2025-06-18 · 9 tools
3 d ago	mcp initialize	ok	200	85 ms	server livevariant 0.1.5 · protocol 2025-06-18 · 9 tools
3 d ago	mcp initialize	ok	200	40 ms	server livevariant 0.1.5 · protocol 2025-06-18 · 9 tools

Tools observed via MCP handshake

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.

Declared by sources

What the publisher says

Attributed to the source that supplied each field. Treated as claims, not facts.

No long description beyond the summary.

mcpmodel-context-protocolab-testingmulti-armed-banditexperimentation

kind Official MCP Registry

name Official MCP Registry

license npm registry

repoUrl Official MCP Registry

summary Official MCP Registry

version Official MCP Registry

description Official MCP Registry

homepageUrl Official MCP Registry

publisherName Official MCP Registry

Provenance

Where this record came from

Every source is kept verbatim. Field changes are logged as events.

Official MCP Registryio.github.livevariant/livevariant

first seen 2 mo ago · fetched 3 d agoopen ↗

npm registry@livevariant/mcp

first seen 2 mo ago · fetched 11 h agoopen ↗

Field history (12 recent events)

2 mo ago · declared · name → "LiveVariant"
2 mo ago · declared · summary → "Build, inspect and read adaptive A/B tests. Config travels in the URL; no account or API key needed."
2 mo ago · declared · description → "Build, inspect and read adaptive A/B tests. Config travels in the URL; no account or API key needed."
2 mo ago · declared · publisherName → "livevariant"
2 mo ago · declared · homepageUrl → "https://livevariant.com"
2 mo ago · declared · repoUrl → "https://github.com/livevariant/livevariant"
2 mo ago · declared · license → "AGPL-3.0"
2 mo ago · declared · summary → "MCP server for LiveVariant: build, inspect and read bandit-driven A/B tests from Claude, ChatGPT, Copilot or any MCP cl
2 mo ago · observed · packageFacts → {"name":"@livevariant/mcp","registry":"npm","publishedAt":"2026-08-27T06:45:24.535Z","latestVersion":"0.1.5","weeklyDown
2 mo ago · declared · protocols → ["mcp"]
2 mo ago · declared · description → "MCP server for LiveVariant: build, inspect and read bandit-driven A/B tests from Claude, ChatGPT, Copilot or any MCP cl
2 mo ago · declared · publisherName → "michi88"

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Evidence

What the publisher says

Capabilities

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