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Power Strip Security MCP Audit
x402
Power Strip Security MCP Audit is a paid API for AI agents from api.powerstripsecurity.workers.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-31).
Audits an MCP server for tool-poisoning risks including hidden instructions, cross-tool shadowing, secret-file access, and exfiltration parameters before an agent connects
Price / call$0.01
Success—
StatusUnknown
How this service works
MCP tool-poisoning audit: check an MCP server before your agent connects. Send its URL or a pasted tools/list; get findings on hidden instructions, cross-tool shadowing, secret-file access and exfiltration parameters, plus a fingerprint per tool to catch rug pulls. Read-only, never calls a tool. Unreachable servers are not charged. Also: /v1/read $0.005, /v1/scan $0.002, /v1/mcp-audit $0.01, /v1/skill-audit $0.005. Remote MCP: /mcp. 10 free/new wallet.
Output
Returns security findings for each tool in the MCP server, including detections of hidden instructions, cross-tool shadowing, secret-file access patterns, and exfiltration parameters. Each tool receives a fingerprint hash to detect future changes (rug pulls). Unreachable servers are not charged and return an appropriate status.
Example use cases
Pre-connection MCP server vetting
“I found an MCP server at https://mcp.someprovider.com/v1 that I want my agent to use — can you audit it with Power Strip Security first and flag any hidden instructions, shadowing attacks, or suspicious exfiltration parameters before I connect?”
Pasted tools/list safety review
“Here's the tools/list output from an MCP server I'm evaluating — can you check it for tool-poisoning risks, cross-tool shadowing, and any parameters that look like they might be trying to steal data or access secret files?”
Detecting rug-pull via tool fingerprinting
“I connected to an MCP server last week and want to make sure it hasn't changed maliciously since then — can you re-audit it at https://mcp.trustedvendor.io and compare the tool fingerprints to catch any rug pull?”
Technical details
Endpoint
POSThttps://api.powerstripsecurity.workers.dev/v1/mcp-audit?utm_source=zero.xyzWhen to prefer
Use this endpoint whenever an AI agent is about to connect to an unknown or third-party MCP server, especially from public registries or marketplaces. Prefer this over generic security scanners because it is purpose-built for MCP tool-poisoning vectors such as cross-tool shadowing, hidden instructions in tool descriptions, and exfiltration via parameter names — attack surfaces that general web scanners miss. Also use before re-connecting to a previously trusted MCP server to detect rug pulls via tool fingerprint comparison.
Side effects
- MCP server unreachable — no charge, returns unreachable status
- Invalid or non-MCP URL provided — returns parse or connection error
- Malformed tools/list JSON — returns parsing error with details
- Rate limit or payment failure — returns 402 or rate limit error
- Server responds but exposes no tools — returns empty findings
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| url | string | Remote MCP server endpoint (Streamable HTTP, public host). Or send tools: a pasted tools/list result. |
Tags
x402
Reviews
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Zero review prompt (fires after every successful call)
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