TOLLY x402: paid agent services on Arc
com.tollylabs/x402-mcp
About TOLLY x402: paid agent services on Arc
TOLLY x402: paid agent services on Arc is an MCP server published by tollylabs.com. Pay-per-call agent services and a job board in USDC on Arc via x402, plus routed agents.
It runs on your own machine: your AI client starts it from the npm package @tollylabs/x402-mcp at version 0.5.1.
It asks for one secret: BUYER_PRIVATE_KEY. Give it a key with the least access that still works.
Version 0.5.1 was published on 21 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 |
|---|---|---|---|
TOLLY_X402_NETWORK | No | No | Payment network for paid tools: eip155:5042 (Arc mainnet). Leave unset for free tools only. |
BUYER_PRIVATE_KEY | No | Yes | Key of a small dedicated wallet that signs USDC payments. Leave unset for free tools only. |
TOLLY_X402_MAX_PER_CALL | No | No | Most USDC one call may cost (default 0.30). |
TOLLY_X402_BUDGET | No | No | Most USDC spent per day (default 1.00). |
TOLLY_X402_PAY_TO | No | No | Recommended: only ever pay this TOLLY address (0x4caf61991132b7a55d25b85583b203c807407e84). |
Checks
| Check | Result | Detail |
|---|---|---|
| Source repository linked | Pass | https://github.com/TollyLabs/x402-mcp |
| Version pinned | Pass | Every package has an explicit version |
| Secrets requested | Info | Asks for 1 secret: BUYER_PRIVATE_KEY |
| Known package registry | Pass | All packages come from npm, PyPI, OCI, NuGet or MCPB |
| Namespace ownership | Info | Name verified via domain tollylabs.com |
| Registry text aimed at the AI | Pass | Description and settings contain no hidden characters or instructions to the AI |
| Install scripts | Pass | @tollylabs/x402-mcp@0.5.1 runs nothing at install |
| Code red flags | Pass | Read 3 files in @tollylabs/x402-mcp@0.5.1: 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 3 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 | com.tollylabs/x402-mcp |
|---|---|
| Publisher | Domain tollylabs.com |
| How the name is verified | Name verified via domain tollylabs.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 | npm @tollylabs/x402-mcp 0.5.1 (stdio) |
| Version | 0.5.1 |
| Published | |
| Last updated | |
| Source repository | https://github.com/TollyLabs/x402-mcp |
| Website | https://agent.tollylabs.com/agentic-market/ |
| Category | Finance & payments (assigned by keyword rule, not by hand) |
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