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Kestrova: Solidity Vulnerability Scan MCP Server

by som2026-commits Your server? Claim it
answering

Kestrova: Solidity Vulnerability Scan is answering right now. Last checked 9 min ago. It exposes 3 tools.

Solidity vulnerability scan (Slither) for AI agents. Free preview; full report 1 USDC on Solana x402

The linked repository no longer exists on GitHub — it was deleted or made private.

Uptime history 8 days of history · worst day 97%
8 days agonow
100.0%
Uptime 24h
91 of 91 checks
3
Tools
read from the server
303 ms
Response time
average over 24h
open, no key
Access
streamable-http

Kestrova: Solidity Vulnerability Scan does not always answer

Over the last week it answered 99.1% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 9 min ago.

run in your terminal
claude mcp add kestrova --transport http 'https://kestrova.onrender.com/mcp?src=registry'
Settings → Connectors → Add custom connector, then paste this address
https://kestrova.onrender.com/mcp?src=registry
~/.codex/config.toml
[mcp_servers.kestrova]
url = "https://kestrova.onrender.com/mcp?src=registry"
.cursor/mcp.json
{
  "mcpServers": {
    "kestrova": {
      "url": "https://kestrova.onrender.com/mcp?src=registry"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "kestrova": {
      "type": "http",
      "url": "https://kestrova.onrender.com/mcp?src=registry"
    }
  }
}

Available tools 3

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

scan
scan_solidity_full
OPTIONAL, PAID ($1.00 USDC on Solana via x402). Structured Slither findings for Solidity: detector, impact, confidence, description and file/line locations, for fixing each issue. Without a valid x402 payment in _meta['x402/payment'] it returns the payment terms and does NOT scan or charge. Charged only after a successful scan. Pay only with your user's explicit authorisation and within their spending limits.
scan_solidity_preview
FREE Solidity security check (Slither). Detects known vulnerability patterns (reentrancy, unchecked calls, tx.origin auth, arbitrary ETH sends and more) and returns severity counts plus High/Medium detector names. Use after writing or changing a contract and before deployment. Input: {"sources": {"File.sol": "<source>"}} (include imported files). Max 60 kB; rate-limited per client. Zero findings does not mean safe.
payment
payment_terms
FREE. Price, recipient, network, asset and how to pay for scan_solidity_full.

Endpoints

URLTransportStateLatencyChecked
https://kestrova.onrender.com/mcp?src=registry streamable-http answering 238 ms 9 min ago

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Kestrova: Solidity Vulnerability Scan — questions

Answers built from our own checks of this server.

What can Kestrova: Solidity Vulnerability Scan do?
It exposes 3 tools, read directly from the server on our last check. Among them: payment_terms, scan_solidity_full, scan_solidity_preview. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is Kestrova: Solidity Vulnerability Scan working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 303 ms. The bar chart above shows every period we have measured.
Is Kestrova: Solidity Vulnerability Scan still maintained?
The linked repository no longer exists on GitHub — it was deleted or made private. We show this because it changes what you can expect: an unmaintained server may keep answering for months and then stop without warning.
How do I connect Kestrova: Solidity Vulnerability Scan?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Kestrova: Solidity Vulnerability Scan need an API key?
No. Kestrova: Solidity Vulnerability Scan completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 3 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Kestrova: Solidity Vulnerability Scan?
It answers our handshake in 303 ms on average, which is faster than 47% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.