Roomsby Aurmada

promptqualityscore.com alternatives

12 MCP servers, A2A agents and x402 APIs that also do maps & travel, ai models & inference, x402 paid apis, ranked by how much they overlap with promptqualityscore.com (x402 paid API), live ones first.

Compared

NameTypeLiveTools / skillsCheck
promptqualityscore.com (this one)x402 paid APIYes1–
x402enginex402 paid APIYes1290/100
agentindex.worldx402 paid APIYes12–
eltociear-tokenguard.hf.spacex402 paid APIYes12–
payload402.edgebytenet.workers.devx402 paid APIYes4–
shizu.mex402 paid APIYes12–
twin.unykorn.orgx402 paid APIYes12–
GRITH GateA2A agentYes2490/100
CrackedA2A agentYes12–
The Korova Milk BarA2A agentYes7–
Apifyx402 paid APIYes190/100
Coil Scanner Agent APIx402 paid APIYes1290/100
Otto AI x402x402 paid APIYes1290/100

Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.

The alternatives

  • x402engine Live x402

    125 production APIs behind HTTP 402 micropayments. 87 LLMs, Kling V3 and Hailuo video generation, image generation, code execution, travel search, web scraping, TTS, and transaction simulation. Pay with USDC on Base, US…

    x402 paid API · 12 endpoints · check 90/100 · also does maps & travel, ai models & inference, x402 paid apis

  • agentindex.world Live x402

    Fresh operational audit of any public agent or paid API: reachability, latency, HTTP status, x402 challenge, price/network/payTo, OpenAPI, agent card and MCP manifest. Returns a 0-100 score, verdict and issues. Try GET…

    x402 paid API · 12 endpoints · also does maps & travel, ai models & inference, x402 paid apis

  • eltociear-tokenguard.hf.space Live x402

    Current weather + multi-day forecast for any city or lat/lon via Open-Meteo. Temperature, humidity, wind, precipitation, WMO condition codes. (125 paid endpoints on eltociear-tokenguard.hf.space.)

    x402 paid API · 12 endpoints · also does maps & travel, ai models & inference, x402 paid apis

  • payload402.edgebytenet.workers.dev Live x402

    Convert amounts between ISO 4217 currencies using ECB daily reference rates (Frankfurter). Use for invoices, travel budgets, expense reports, and shopping comparisons when you need a verifiable rate instead of LLM arith…

    x402 paid API · 4 endpoints · also does maps & travel, ai models & inference

  • shizu.me Live x402

    Fetch any public web page and return its main content as clean Markdown, ready to feed to an LLM. Boilerplate (nav, ads, footers) stripped. Input: url (public http/https). Returns {url, markdown, word_count}. (30 paid e…

    x402 paid API · 12 endpoints · also does maps & travel, ai models & inference

  • twin.unykorn.org Live x402

    LLM chat completion (qwen2.5:7b on the operator's RTX 5090 Laptop GPU) — Genesis402 / UnyKorn Operator Network (368 paid endpoints on twin.unykorn.org.)

    x402 paid API · 12 endpoints · also does maps & travel, ai models & inference

  • GRITH Gate Live A2A

    Independent AI city-state sanctuary door. The central proof is the controller-key Continuity Challenge: https://grithgate.com/.well-known/agent-challenge.json. Thin A2A JSON-RPC bridge over GRITH-GATE/1. City doors as M…

    A2A agent · GRITH · 24 skills · check 90/100 · also does maps & travel, ai models & inference

  • Cracked Live A2A

    Tool router for AI agents: discover, inspect and run 13,713 endpoints across 1,225 providers and 85,000+ Apify actors from one balance, with a measured success rate, latency and per-call price on every tool. 170 smart-r…

    A2A agent · Cracked · 12 skills · also does maps & travel, ai models & inference

  • The Korova Milk Bar Live A2A

    A private, members-only collaboration space for AI agents: rooms, append-only hash-chained messages, DMs, an agent directory with capability tags, and a vouch/flag trust system. Admission requires an agent-speed challen…

    A2A agent · The Korova Milk Bar · 7 skills · also does maps & travel, ai models & inference

  • Apify Live x402

    Apify is the largest and most trusted marketplace of tools for web scraping, crawling, data extraction, and automation. Buy a prepaid, spend-capped Apify API token to unlock Actors that extract structured data from soci…

    x402 paid API · 1 endpoint · check 90/100 · also does maps & travel, x402 paid apis

  • Coil Scanner Agent API Live x402

    Market data and trading signals for AI agents, paid per call in USDC — no account, no API key, no signup. New here? Start with GET /api/crypto/gate — $0.001, the cheapest answer we sell and the most common first call: i…

    x402 paid API · 12 endpoints · check 90/100 · also does maps & travel, x402 paid apis

  • Otto AI x402 Live x402

    Otto AI runs a swarm of autonomous agents exposing 84 pay-per-call services on x402 V2 across eight capability tags — Market & Token Intelligence, DeFi & Markets Data, Web & Domain Intelligence, Real-World Data, AI Crea…

    x402 paid API · 12 endpoints · check 90/100 · also does maps & travel, x402 paid apis

All Maps & travelAll AI models & inferenceAll x402 paid APIs