# FabTally Guard

- Registry name: `io.github.zvmzaretsky/fabtally-guard` · version 1.0.0
- 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=io.github.zvmzaretsky%2Ffabtally-guard
- Server page: https://mcpstation.net/s/io.github.zvmzaretsky--fabtally-guard.html

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

Verify before you act: deps-check, x402-preflight, json-repair & url-read for agents.

## Connect

- streamable-http: `https://guard.fabtally.com/mcp`

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

- `deps\_check`: PAID $0.003 \(x402, USDC on Base\). Vet a software package BEFORE installing it. Returns existence, latest-vs-requested, deprecation/yank markers, known CVEs from OSV.dev, typosquat similarity to popular names, SPDX license, and age/download signals with a plain-English risk verdict. Args: ecosystem \(
- `x402\_preflight`: PAID $0.002 \(x402, USDC on Base\). Verify another x402 endpoint BEFORE paying it: does an unpaid call return a valid x402 v2 402 challenge? do the quoted amount/asset/network/payTo match the site's /.well-known/x402? is TLS valid, host reachable, openapi present? Returns pass/fail + per-check reasons
- `json\_repair`: PAID $0.002 \(x402, USDC on Base\). Coerce near-miss LLM JSON to a JSON-Schema-conformant object: strip code fences/prose, fix trailing commas/quotes/unquoted keys, normalise Python literals, balance brackets, then coerce types, apply defaults, and drop extraneous keys. Returns the repaired object OR
- `url\_read`: PAID $0.004 \(x402, USDC on Base\). Fetch a PUBLIC url and return clean Markdown + a token estimate for RAG ingestion — readability extraction, boilerplate stripped. Respects robots.txt, public pages only, no login/paywall bypass, nothing stored. Args: url. Without payment returns the x402 challenge;

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