Sentinel
by 448c.org in Onchain & crypto
Pay-per-call safety checks for AI agents: screen a crypto address or URL before you transact.
https://448c.org/mcp- Tools
- 2
- open to any client
- Uptime
- 100%
- last 30 days
- Response time
- 245 ms
- 610 ms slowest 5%
- Last check
- Passed
- 9 h ago, next any minute now
Reliability
Status and outage history · Atom feed · Watch with other listings
How to connect
Add it to any MCP client that supports remote servers.
{
"mcpServers": {
"sentinel-2": {
"type": "http",
"url": "https://448c.org/mcp"
}
}
}2 tools
- check_address
Check whether a crypto address is safe to transact with. Screens OFAC sanctions + community scam lists and flags contract-vs-wallet. Returns verdict (safe/caution/avoid), 0-100 risk score, reasons, and sources.
- check_url
Check whether a URL or domain is a scam/phishing site. Screens the MetaMask crypto-phishing blocklist, domain age (RDAP), and lexical red flags. Returns verdict (safe/caution/avoid), 0-100 risk score, reasons, and sources.
Security scan
No findings
We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.
Recent checks
| When | Result | HTTP | Time |
|---|---|---|---|
| 9 h ago | Passed | 200 | 230 ms |
| 19 h ago | Passed | 200 | 258 ms |
| 29 h ago | Passed | 200 | 610 ms |
| 39 h ago | Passed | 200 | 218 ms |
| 2 days ago | Passed | 200 | 139 ms |
Show 7 older checks
| 2 days ago | Passed | 200 | 289 ms |
| 3 days ago | Passed | 200 | 350 ms |
| 3 days ago | Passed | 200 | 164 ms |
| 4 days ago | Passed | 200 | 177 ms |
| 4 days ago | Passed | 200 | 245 ms |
| 4 days ago | Passed | 200 | 582 ms |
| 5 days ago | Passed | 200 | 252 ms |