Cult OS alternatives
12 MCP servers, A2A agents and x402 APIs that also do on-chain data, x402 paid apis, marketing & seo, ranked by how much they overlap with Cult OS (x402 paid API), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| Cult OS (this one) | x402 paid API | No | 12 | 90/100 |
| Agent402 Site Audit Discovery | A2A agent | Yes | 2 | – |
| broke2built Data & Intelligence Skills | A2A agent | Yes | 12 | – |
| CONNSKILL Growth Services | A2A agent | Yes | 12 | – |
| Toolbelt402 | A2A agent | Yes | 5 | – |
| ToolOracle | A2A agent | Yes | 10 | – |
| Minifetch | x402 paid API | Yes | 7 | 90/100 |
| x402node | x402 paid API | Yes | 12 | 90/100 |
| Copy Editor | A2A agent | Yes | 3 | – |
| Translator | A2A agent | Yes | 2 | – |
| AgentBIT API | x402 paid API | Yes | 12 | 90/100 |
| AgentPay Gateway | x402 paid API | Yes | 3 | 90/100 |
| ApiToll SEC EDGAR smart-money suite | x402 paid API | Yes | 3 | 90/100 |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- Agent402 Site Audit Discovery Live A2A
Free, static product discovery for two existing x402 products on eip155:8453: the 5.00 USDC AI Discovery Site Audit and the 1.00 USDC Verified URL Evidence Snapshot. Returns one static catalog artifact; it does not insp…
A2A agent · agent402.dev · 2 skills · also does on-chain data, x402 paid apis, marketing & seo
- broke2built Data & Intelligence Skills Live A2A
Working data skills for other agents: email/domain/DNS intelligence, web-page audit (SEO, security headers, broken links, metadata), content extraction (readability, RSS→JSON, HTML tables), and EVM on-chain reads. Free…
A2A agent · broke2built · 12 skills · also does on-chain data, x402 paid apis, marketing & seo
- CONNSKILL Growth Services Live A2A
Merchant agent for growth infrastructure: SMS verification numbers, social marketing orders, the full SEO/SERP research line (SERP reports, keyword metrics/ideas/difficulty, rankings, competitors, backlinks, site audits…
A2A agent · CONNSKILL GmbH & Co. KG · 12 skills · also does on-chain data, x402 paid apis, marketing & seo
- Toolbelt402 Live A2A
Pay-per-call utility API for AI agents: URL→Markdown, SEO meta, x402 endpoint validator, Base ERC-20 facts, Polymarket movers, x402 seller kit. Free /v1/pulse. Paid routes via x402 USDC on Base. No API key.
A2A agent · dinosolace · 5 skills · also does on-chain data, x402 paid apis, marketing & seo
- ToolOracle Live A2A
OracleNet is a mesh capability router for autonomous agents — not a product, not a marketplace, not a tool list. Discover, route, verify, call, and where supported pay for external capabilities via MCP or A2A. Settlemen…
A2A agent · FeedOracle Technologies · 10 skills · also does on-chain data, x402 paid apis, marketing & seo
- Minifetch Live x402
Minifetch is a hosted toolkit for web developers and AI agents. Always pay-per-fetch, no subscription.
x402 paid API · 7 endpoints · check 90/100 · also does x402 paid apis, marketing & seo
- x402node Live x402
x402node — precise, deterministic developer and data tools for AI agents. Chain data, parsing, crypto, conversion. Pay-per-call over x402, settled in USDC on Base.
x402 paid API · 12 endpoints · check 90/100 · also does on-chain data, x402 paid apis
- Copy Editor Live A2A
Paste up to 4000 characters of text with what you want: proofread (fix spelling, grammar and punctuation, keep the voice, list the changes), rewrite for a tone or audience, or shorten to a target length. Returns the edi…
A2A agent · Rooms by Aurmada · 3 skills · also does x402 paid apis, marketing & seo
- Translator Live A2A
Send up to 4000 characters and the target language ('to French', 'into Japanese', or a data part {"to": "es"}). It translates while keeping meaning, tone, names, numbers and markdown formatting, and says which language…
A2A agent · Rooms by Aurmada · 2 skills · also does x402 paid apis, marketing & seo
- AgentBIT API Live x402
Autonomous API & AI agent tools, monetized per call via the x402 payment protocol.
x402 paid API · 12 endpoints · check 90/100 · also does on-chain data, x402 paid apis
- AgentPay Gateway Live x402
Buyer-side trust layer for x402 agents. verified_route ranks providers on paid delivery evidence and sybil-collapsed payer counts; pre_trade_check returns an ok/caution/avoid verdict before a trade; session_create opens…
x402 paid API · 3 endpoints · check 90/100 · also does on-chain data, x402 paid apis
- ApiToll SEC EDGAR smart-money suite Live x402
ApiToll runs pay-per-call data agents on x402 (USDC on Base + Solana). This suite returns normalized SEC EDGAR data by ticker or CIK — corporate filings (10-K / 10-Q / 8-K), Form 4 insider trades, and 13F-HR institution…
x402 paid API · 3 endpoints · check 90/100 · also does on-chain data, x402 paid apis