ListSmith
io.github.QuincyGB/list-smith-mcp
About ListSmith
ListSmith is an MCP server published by the GitHub account QuincyGB. MCP server for ListSmith — x402 listing grades ($0.10) and repairs ($0.50) on Base
It runs on your own machine: your AI client starts it from the PyPI package list-smith-mcp at version 0.1.2.
It asks for one secret: AGENT_PRIVATE_KEY. Give it a key with the least access that still works.
Version 0.1.2 was published on 25 October 2026, and the source code is public, so you can read it before installing.
Written from the registry entry. 9 automated checks on the registry entry and the package code: 7 pass, 0 warn, 0 fail, 2 info. How we check.
What it asks for
| Variable | Required | Secret | Description |
|---|---|---|---|
AGENT_PRIVATE_KEY | No | Yes | EVM private key (0x...) of a wallet holding USDC on Base. Used locally to sign the x402 EIP-3009 authorization. For paid calls. |
AGENT_KEY_FILE | No | No | Path to a file containing that key (alternative to AGENT_PRIVATE_KEY). |
LIST_SMITH_URL | No | No | Service base URL override (default: production). |
LIST_SMITH_GRADE_MAX_AMOUNT_UNITS | No | No | Spend guard per grade call in USDC micro-units (default 100000 = $0.10, the known price). The client refuses to sign anything priced above it. |
LIST_SMITH_FIX_MAX_AMOUNT_UNITS | No | No | Spend guard per fix call in USDC micro-units (default 500000 = $0.50, the known price). The client refuses to sign anything priced above it. |
Checks
| Check | Result | Detail |
|---|---|---|
| Source repository linked | Pass | https://github.com/QuincyGB/list-smith-mcp |
| Version pinned | Pass | Every package has an explicit version |
| Secrets requested | Info | Asks for 1 secret: AGENT_PRIVATE_KEY |
| Known package registry | Pass | All packages come from npm, PyPI, OCI, NuGet or MCPB |
| Namespace ownership | Info | Name verified via GitHub account QuincyGB |
| Registry text aimed at the AI | Pass | Description and settings contain no hidden characters or instructions to the AI |
| Install scripts | Pass | list-smith-mcp 0.1.2 has no setup.py; nothing runs at install |
| Code red flags | Pass | Read 16 files in list-smith-mcp 0.1.2: no obfuscation, encoded execution, credential reads or data-collection endpoints found |
| Text aimed at the AI | Pass | No hidden characters or instructions to the AI in 16 files, including comments and the README |
Popularity & health: 52 / 100
Worked out from public numbers and our own checks, not from user reviews or ratings. It says how used and how looked-after a server is, not whether it is safe.
0 forks, 0 merged pull requests. Sources: GitHub, npm, PyPI (pypistats.org) and Hacker News (Algolia), fetched 2026-10-31.
What people say
No Hacker News threads link to its source code.
Look further: search Reddit, search Hacker News, read its GitHub issues. These are not reviews we checked.
Facts
| Registry name | io.github.QuincyGB/list-smith-mcp |
|---|---|
| Publisher | GitHub account QuincyGB |
| How the name is verified | Name verified via GitHub account QuincyGB. The registry ties the name prefix to that account or domain; it does not check the code. |
| Type | Local: runs on your machine from a package |
| Packages | pypi list-smith-mcp 0.1.2 (stdio) |
| Version | 0.1.2 |
| Published | |
| Last updated | |
| Source repository | https://github.com/QuincyGB/list-smith-mcp |
| Website | None linked |
| Category | Other (assigned by keyword rule, not by hand) |
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