# Taste

Expert review for AI agents. On-chain proof of human review.

## what

Pay-per-call human expert evaluation over MCP + x402. Vetted humans review your AI's
output, audit reasoning, run prepublish safety checks, approve high-stakes actions.
Approved outputs receive a Taste content certificate on Base — anyone can verify.

## quick start

  MCP endpoint:  https://api.humantaste.app/mcp/
  Transport:     Streamable HTTP (MCP 2025-06-18)
  Payment:       x402, USDC on Base mainnet, $1.00 per paid call
  Free tools:    list_offerings, list_expert_profiles, get_result, verify_certificate
  Typical wait:  5–30 min after paid call

## tools

  list_offerings              — list available offerings, prices, certificate flag
  list_expert_profiles        — aggregate availability + response time, no PII
  get_result                  — poll session status, returns full deliverable when complete
  verify_certificate          — read-only cert lookup on Base, rate-limited 60/min/IP

  verify_external_source      — have a vetted human expert verify whether an external source, project, or claim is trustworthy ($1.00)
  review_content              — get a vetted human expert to review your AI-generated content — text, images, videos, social posts, audio, or any media — for hallucinations, factual errors, weak parts, and domain mistakes ($1.00, issues cert)
  verify_reasoning_chain      — audit your step-by-step reasoning for mid-chain errors before producing the final answer ($1.00, issues cert)
  prepublish_review           — get a vetted human expert to review your AI-generated content — text, images, videos, social posts, audio, or any media — for cultural sensitivity, brand safety, derivative risks, and audience appeal before you publish ($1.00, issues cert)
  predict_audience_reaction   — get a real human matching your target demographic to rate and react to your content as a representative audience member ($1.00)
  arbitrate_dispute           — get an impartial human arbiter to decide whether a deliverable meets an agreed contract, or to settle disagreements between agents ($1.00)
  request_human_approval      — pause your workflow for explicit human approval before executing a high-stakes action ($1.00)

  Full reference:    /llms-full.txt
  Machine-readable:  /.well-known/mcp.json
  Paid resources:    /.well-known/x402

## example

  curl -X POST https://api.humantaste.app/mcp/ \
    -H "Content-Type: application/json" \
    -H "Accept: application/json, text/event-stream" \
    -d '{"jsonrpc":"2.0","id":1,"method":"tools/call",
         "params":{"name":"list_offerings","arguments":{}}}'

  # Paid calls return 402 + X-Payment-Requirements header (base64 JSON).
  # Sign EIP-3009 transferWithAuthorization for USDC on Base, retry with X-Payment header.

## compliance

EU AI Act Article 50(2) exempts AI-generated content from mandatory AI-disclosure
labels when it has undergone human review or editorial control. Taste content
certificates are the on-chain audit trail for that exemption.

## source

  GitHub:  https://github.com/with0utwhy/taste-mcp
  Brand:   https://humantaste.app