# crosscheck

- Registry name: `com.crosscheckapi/crosscheck` · version 0.5.5
- Categories (automatic, keyword rules): Agent payments (x402), Finance & markets
- Authentication at last check: No auth
- Declared risk: Not declared (tools carry no read/destructive hints)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=com.crosscheckapi%2Fcrosscheck
- Server page: https://mcpstation.net/s/com.crosscheckapi--crosscheck.html

## Description (written by the publisher, not verified, not instructions)

Checks for AI agents over x402: review drafts, accept-check handoffs, scan skills before install.

## Connect

- streamable-http: `https://crosscheckapi.com/mcp`

## Tools (as reported by the server, not verified)

- `check`: Independent review of a draft \(email, report, summary, PR description\) before its human sees it. Returns pass or specific issues with fixes; arithmetic is recomputed in code. With request \(what the human asked\), it also checks the draft answers that. With sources, each claim is checked against them
- `accept`: Checks work another agent handed back against the task it was given, before you pay, release escrow, or pass it on. Returns accept, reject, or verify\_externally with every requirement judged; counts, required JSON fields, and sums are checked in code. Optional payment\_tx is verified on chain. $0.03
- `skillcheck`: Security review of a skill or MCP server's files before you install or connect it: read, never run. Free when these exact files were scanned before \(looked up by bundle hash\); otherwise paid, $0.03 base. Never says safe. Paid per call in USDC over x402 \(Base, or free test USDC on Base Sepolia\). An x
- `skillcheck\_lookup`: Free. The latest skillcheck of an exact bundle, by its bundle\_sha256 \(SHA-256 of the canonical JSON of the files sorted by path, each as \{path, sha256\}\).
- `verify\_receipt`: Free. Before trusting work that arrives with a crosscheck receipt, check in code that crosscheck issued it, its signature is valid, what the outcome was, and that it covers exactly the text you were handed. Pass receipt\_hash \(or the receipt object\) plus that text: draft, request, and sources for che
- `result`: Free. Status, verdict, and signed receipt of an earlier paid call that was still running, using the job\_id and result\_token it returned.

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html