Model Context Protocol

The Justify MCP server
for AI agents.

Give your agent direct access to Justify, the measurement-first platform for influencer marketing. Search millions of creator profiles with evidence, approve every search before credits are spent, test creative and prove what moved.

Available on Essential plan and above
Terminal
$ claude mcp add --transport http justify https://mcp.justify.app/mcp
Influencer Marketplace · live now Creative Testing · live now Brand Lift · live now
01 · What you can build

Connect once. Your agent does the rest.

● Live
Influencer Marketplace

Discover and vet creators at scale

Search creators across Instagram, TikTok and YouTube. Build personas. Run sourcing pipelines that vet every creator against your brand criteria. You review the results and ingest the winners.

→ See the tools
Creative Testing

Rank concepts before spend

Pull test results and feed the winning concept back into the brief.

Brand Lift

Read studies, decide the next move

Pull exposed-vs-control reads with confidence ranges and query past studies for benchmarks.

02 · How the connection works

The whole platform, one connection.

No per-surface APIs to integrate. The Influencer Marketplace is wired up today; the tools for Creative Testing and Brand Lift appear as those surfaces ship, with no client changes required.

Your client Claude · Cursor · custom agent
MCP · OAuth mcp.justify.app/mcp
Live Influencer Marketplace
Live Creative Testing
Live Brand Lift
03 · Quick setup

Connect in two steps.

Works with Claude Code, Claude Desktop, Cursor and any client that speaks MCP over HTTP. Authenticate via OAuth on first use. No API keys to copy or rotate.

  1. 1

    Start for free or log in

    Create a Justify account. MCP access starts on the Essential plan.

    Go to Justify
  2. 2

    Add the server to your MCP client

    Paste the one-liner into Claude Code, or add the server URL to any MCP-compatible client. Tools appear automatically.

04 · The tools

A sampler of the toolset.

A sample of what your agent can call on the Influencer Marketplace today.

prepare_influencer_search
Turn a plain-English request into exact search filters and an estimated credit cost. Nothing runs and nothing is spent until you confirm.
confirm_influencer_search
Run the search you approved and get creators back ranked by fit score, each with the reasoning behind it.
save_influencer
Keep a creator on your saved roster for later.
add_influencers_to_campaign
Drop chosen creators straight into a campaign.
list_influencers
Read your saved roster.
get_influencer
Pull a saved creator’s profile and evidence.
05 · FAQ

Common questions.

WhatWhat is MCP?

MCP (Model Context Protocol) is an open standard that lets AI agents connect directly to external services. Your agent calls Justify's tools natively: searching creators, building personas and running sourcing pipelines, all within the same conversation.

DataHow is my data handled?

Access is scoped: your client can only see what your role can already see in the Justify app. We do not train models on your data. Justify's models are built on public creator content and licensed datasets. Every tool call is recorded in your workspace audit log: who, what, when, with what arguments. The same security posture as the rest of the app. See /security for the full picture.

Connect your agent.
Justify the spend.

Start for free