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FabTally Guard

by io.github.zvmzaretsky
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Server Details

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

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Status
Healthy
Uptime
100.0% over the last 24 hours
Last Tested
Transport
Streamable HTTP · MCP 2025-11-25
URL
Repository
zvmzaretsky/fabtally-guard-mcp
GitHub Stars
0
Server Listing
FabTally Guard
ChatGPT
–
Claude
–

TDQS

A4.6/5.0

Scored across 4 tools

Disambiguation5/5

Each tool targets a clearly distinct function: package vetting, JSON repair, URL fetching, and x402 endpoint verification. There is no overlap in intent or output, making selection unambiguous.

Naming Consistency5/5

All tool names follow a consistent snake_case object_action pattern (deps_check, json_repair, url_read, x402_preflight). This maintains uniformity and predictability across the set.

Tool Count5/5

With exactly four tools, the server is well-scoped and every tool earns its place. There is no bloat or trivial filler, and the count falls squarely within the ideal 3-15 range.

Completeness4/5

Each tool is functionally complete for its individual purpose, but the set lacks batch operations or a way to manage/retrieve prior checks. These are minor gaps that agents can work around with scripting or external state.

Available Tools

4 tools
deps_checkVet a dependency before install (paid $0.003)AInspect

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 (npm|pypi|crates), name, version (optional). Without payment returns the x402 challenge; pass x_payment to settle.

Inputs: name (required), ecosystem (required), version, x_payment.

json_repairRepair near-miss LLM JSON to a schema (paid $0.002)AInspect

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 precise per-field errors. Args: json (the raw string), schema (a JSON Schema object). Without payment returns the x402 challenge.

Inputs: json (required), schema (required), x_payment.

url_readPublic url -> clean Markdown + token count (paid $0.004)AInspect

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; pass x_payment to settle.

Inputs: url (required), x_payment.

x402_preflightVerify an x402 endpoint before paying (paid $0.002)AInspect

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 + the parsed price you would pay. Args: url. Without payment returns the x402 challenge; pass x_payment to settle.

Inputs: url (required), x_payment.

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

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