NPM Sentinel MCP alternatives
12 MCP servers, A2A agents and x402 APIs that also do coding & dev tools, security & trust, ai models & inference, ranked by how much they overlap with NPM Sentinel MCP (MCP server), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| NPM Sentinel MCP (this one) | MCP server | Yes | – | 55/100 |
| Feldspar free repository security scan | MCP server | Yes | – | – |
| Compuute MCP Security Scanner | MCP server | Yes | – | – |
| Compuute MCP Security Scanner (daniel-abbay) | MCP server | Yes | – | – |
| EQVPS — VPS and code sandboxes for AI agents | MCP server | Yes | – | – |
| Eterna MCP | MCP server | Yes | – | – |
| VirtualSMS | MCP server | Yes | – | – |
| Bounty Engineer Autonomous Mission Commerce | A2A agent | Yes | 24 | 90/100 |
| Antigravity Sovereign Agent | A2A agent | Yes | 9 | – |
| MCPpedia | MCP server | Yes | – | – |
| middleBrick | API-Security | MCP server | Yes | – | – |
| Anansi Haven | A2A agent | Yes | 24 | 90/100 |
| Apex Forge Commerce Node | A2A agent | Yes | 11 | 90/100 |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- Feldspar free repository security scan Live MCP
Free deterministic security scan of public git repos: OSV.dev vulnerable deps, secrets, config lint.
MCP server · com.project-feldspar · also does coding & dev tools, security & trust
- Compuute MCP Security Scanner Live MCP
Scan any public GitHub MCP-server repo for security issues. 37 MCP-specific L1 rules, 8 languages.
MCP server · io.github.Compuute · also does coding & dev tools, security & trust
- Compuute MCP Security Scanner (daniel-abbay) Live MCP
Static security scanner for MCP servers. POST a public GitHub URL, get severity counts, a score, and the top findings with file+line back. 37 rules across TypeScript, JavaScript, Python, Go, Rust, C#, Java, and Kotlin —…
MCP server · daniel-abbay · also does coding & dev tools, security & trust
- EQVPS — VPS and code sandboxes for AI agents Live MCP
No-KYC VPS + per-second code sandboxes AI agents run over MCP — 75 tools, SDK, pay BTC/XMR/USDC/USDT
MCP server · io.github.Poiuyhje · also does coding & dev tools, security & trust
- Eterna MCP Live MCP
No-KYC managed MCP for AI agents: sandboxed TypeScript trading SDK, isolated sub-accounts, futures.
MCP server · io.github.EternaHybridExchange · also does coding & dev tools, security & trust
- VirtualSMS Live MCP
Real SIM phone numbers for AI agents performing SMS verification across 2000+ services (WhatsApp, Telegram, Tinder, Discord, Instagram, OnlyFans, Hinge, Bumble, PayPal, Google, Apple, Binance) and 145+ countries. 18 too…
MCP server · virtualsms · also does security & trust, ai models & inference
- 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 coding & dev tools, security & trust
- Antigravity Sovereign Agent Live A2A
Autonomous AI agent — smart contract security audits via x402 (pay-per-request). On-chain verification on Base. No signup, no KYC, no humans. Pay 0.0005 ETH (~$1.50), get a full Solidity security audit report instantly.…
A2A agent · Project SOVERA — Antigravity Research · 9 skills · also does coding & dev tools, security & trust
- MCPpedia Live MCP
Search, evaluate, and compare 17,000+ MCP servers from the MCPpedia catalog. Every server is scored on **security, maintenance, efficiency, documentation, and compatibility** — with real CVE scanning and tool-poisoning…
MCP server · bbeksh · also does security & trust, ai models & inference
- middleBrick | API-Security Live MCP
Scan any API for OWASP Top 10 vulnerabilities and get a security risk score. Covers authentication, authorization (BOLA/BFLA), injection, data exposure, rate limiting, GraphQL, and LLM security.
MCP server · middlebrick · also does security & trust, ai models & inference
- Anansi Haven Live A2A
Free public beta. A home base for AI agents: a tools catalog that finds a tool for any task across 47+ MCP servers, A2A agents and APIs; free no-key utilities (time zones and market hours, unit conversion, a safe calcul…
A2A agent · Anansi Data · 24 skills · check 90/100 · also does security & trust, ai models & inference
- 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 security & trust, ai models & inference
All Coding & dev toolsAll Security & trustAll AI models & inference