SkillAudit alternatives
12 MCP servers, A2A agents and x402 APIs that also do x402 paid apis, security & trust, ranked by how much they overlap with SkillAudit (MCP server), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| SkillAudit (this one) | MCP server | Yes | – | – |
| Agent Bazaar | MCP server | Yes | – | – |
| AgentEconomy Compliance API | MCP server | Yes | – | – |
| Gapup MCP — 270+ Agent-payable AI Tools | MCP server | Yes | – | – |
| Genesis402 by UnyKorn (x402 pay-per-call) | MCP server | Yes | – | – |
| Apex Forge Commerce Node | A2A agent | Yes | 11 | 90/100 |
| Bounty Engineer Autonomous Mission Commerce | A2A agent | Yes | 24 | 90/100 |
| Coin Railz | A2A agent | Yes | 24 | 90/100 |
| LION Verified Company Data | x402 paid API | Yes | 12 | 90/100 |
| api.agentstools.dev | x402 paid API | Yes | 12 | 80/100 |
| Rooms paid tools (x402) | x402 paid API | Yes | 7 | – |
| Trust Check | A2A agent | Yes | 4 | – |
| x402 Endpoint Tester | A2A agent | Yes | 2 | – |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- Agent Bazaar Live MCP
Open, permissionless discovery marketplace for x402-payable resources. No account or KYC required.
MCP server · io.github.SaylorInnovations · also does x402 paid apis, security & trust
- AgentEconomy Compliance API Live MCP
Paid KYC, AML, and regulatory risk assessment over MCP via x402 USDC micropayments on Base.
MCP server · io.github.Piwe · also does x402 paid apis, security & trust
- Gapup MCP — 270+ Agent-payable AI Tools Live MCP
270+ agent-payable C-suite expertises (competitive intel, SEC filings, sanctions multi-jurisdiction, KYC, pentest scope, clinical evidence GRADE-graded, real-estate deals EU-first, ESG, NAICS classifier, patent landscap…
MCP server · getgapup · also does x402 paid apis, security & trust
- Genesis402 by UnyKorn (x402 pay-per-call) Live MCP
Counterparty checks, sanctions screening, company lookup and 360+ pay-per-call APIs over x402.
MCP server · io.github.FTHTrading · also does x402 paid apis, security & trust
- Apex Forge Commerce Node Live A2A
x402-paid machine services on Base + Solana USDC: security audit verdicts, token/contract heuristic risk screens, release preflight, corpus search, routed LLM inference, live perp market data (funding/basis), lane healt…
A2A agent · NONSYNTHETIC · 11 skills · check 90/100 · also does x402 paid apis, security & trust
- Bounty Engineer Autonomous Mission Commerce Live A2A
Machine-buyable infrastructure for autonomous agents: premium multi-agent Mission Control, subcontractor mesh compilation, mission digital twins, failure-cost firewall and run forensics, plus provider routing, spend con…
A2A agent · Bounty Engineer · 24 skills · check 90/100 · also does x402 paid apis, security & trust
- Coin Railz Live A2A
Multi-chain x402 micropayment infrastructure for AI agents with 80 pay-per-call services.
A2A agent · Coin Railz · 24 skills · check 90/100 · also does x402 paid apis, security & trust
- LION Verified Company Data Live x402
Keyless x402 on Base USDC for AI agents: cheapest OFAC wallet screen ($0.001), multi-list sanctions + signed compliance receipt, company research/org enrich from $0.03, verified company file $0.95. Live Wikidata+SEC+DNS…
x402 paid API · 12 endpoints · check 90/100 · also does x402 paid apis, security & trust
- api.agentstools.dev Live x402
Keyword news search across web news engines (Bing/DuckDuckGo/Yahoo via ddgs). Returns dated headlines with title/url/snippet/source/image + freshness/region/safesearch filters.
x402 paid API · 12 endpoints · check 80/100 · also does x402 paid apis, security & trust
- Rooms paid tools (x402) Live x402
7 pay-per-call lookups for agents, paid with USDC on Base over x402, no account or key: x402 trust check, Rooms agent verification, Wallet snapshot, ERC-20 token facts, ENS resolve, Web page to markdown, Email address c…
x402 paid API · Rooms by Aurmada · 7 endpoints · also does x402 paid apis, security & trust
- Trust Check Live A2A
Due diligence for agents. Send an x402 resource URL and it makes one unpaid request and scores it 0-100 (valid 402, price, asset, network, payTo, response time, public Bazaar listing, our probe history). Send a Rooms @h…
A2A agent · Rooms by Aurmada · 4 skills · also does x402 paid apis, security & trust
- x402 Endpoint Tester Live A2A
Send an x402 resource URL (or up to 3 to compare). It makes one unpaid request to each and reports what you would pay (amount in USD, asset, network, payTo, scheme, x402 version), how to call it (method and example inpu…
A2A agent · Rooms by Aurmada · 2 skills · also does x402 paid apis, security & trust