ProvenPaid
com.provenpaid/mcp
About ProvenPaid
ProvenPaid is an MCP server published by provenpaid.com. Check an x402 endpoint before your agent pays it: challenge validity and on-chain payer evidence.
It runs on your own machine: your AI client starts it from the PyPI package provenpaid-mcp at version 0.2.0.
It asks for one secret: PROVENPAID_WALLET_PRIVATE_KEY. Give it a key with the least access that still works.
Version 0.2.0 was published on 11 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 |
|---|---|---|---|
PROVENPAID_WALLET_PRIVATE_KEY | No | Yes | Optional. Private key of a dedicated low-balance wallet holding USDC on Base, used only to sign payments after the 10 free checks. Not needed to try it. |
PROVENPAID_DAILY_LIMIT | No | No | Maximum paid checks per UTC day (default 20). |
PROVENPAID_MAX_PRICE_USD | No | No | Refuse checks priced above this (default 0.01, hard ceiling 0.10). |
Checks
| Check | Result | Detail |
|---|---|---|
| Source repository linked | Pass | https://github.com/justinsmithphd/provenpaid-mcp |
| Version pinned | Pass | Every package has an explicit version |
| Secrets requested | Info | Asks for 1 secret: PROVENPAID_WALLET_PRIVATE_KEY |
| Known package registry | Pass | All packages come from npm, PyPI, OCI, NuGet or MCPB |
| Namespace ownership | Info | Name verified via domain provenpaid.com |
| Registry text aimed at the AI | Pass | Description and settings contain no hidden characters or instructions to the AI |
| Install scripts | Pass | provenpaid-mcp 0.2.0 has no setup.py; nothing runs at install |
| Code red flags | Pass | Read 17 files in provenpaid-mcp 0.2.0: 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 17 files, including comments and the README |
Popularity & health: 53 / 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, 2 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 | com.provenpaid/mcp |
|---|---|
| Publisher | Domain provenpaid.com |
| How the name is verified | Name verified via domain provenpaid.com. 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 provenpaid-mcp 0.2.0 (stdio) |
| Version | 0.2.0 |
| Published | |
| Last updated | |
| Source repository | https://github.com/justinsmithphd/provenpaid-mcp |
| Website | https://api.provenpaid.com |
| Category | Agent safety & governance (assigned by keyword rule, not by hand) |
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