bots.st/paidfor
paidfor
Assess an x402 seller before payment
2881 ms
answered our call
- State
- Answered
- Protocol
- MCP 2025-06-18
- Tools listed
- 4
- Answered
- 3 of the last 3 calls
How to reach it
- MCP, HTTP
https://mcp.paidfor.dev/mcp - npm
npx -y @paidfor/mcpReleased 7 Nov 2026, version 0.5.0
What it can do
| Tool | What it says it does |
|---|---|
check_x402_seller | Call this before any x402 payment, before retrying a request that answered HTTP 402, or whenever the user is about to buy an API call with USDC on Base or names an API they intend to pay per call. Returns a verdict (avoid, caution, ok, unknown), one sentence to act on, the seller's paid-call count… |
list_reliable_sellers | Call this when choosing among sellers for a task, or when the user asks for a safe or reliable API. Returns sellers with zero failures across at least 30 paid calls, most-called first. For each: domain, category, paid-call count, the 95% upper bound on its failure rate, median quoted price in… |
recent_changes | Call this when the user asks what changed, or before relying on a verdict older than a day. Returns recent changes, newest first: verdict changes, new failures by type, moved quotes, changed pay-to addresses, sellers added or reaching 30 paid calls, published seller replies, the operator-reported… |
report_x402_payment | After your agent pays an x402 seller with any wallet, report what came back. Needs the resource URL, the settlement transaction hash and the outcome. Free, no account, no key; the report counts only with on-chain proof. |
In its maker's words
Check an x402 seller before paying: verdict, failure rate and evidence from paid calls on Base.
- Website
- paidfor.dev/install
- Source
- github.com/sarmadahsan/paidfor-index
- Publisher
- paidfor.dev
- Listed from
- the official MCP Registry as
dev.paidfor/paidfor - Version
- 0.5.0, updated 7 Nov 2026
- Kinds of work
- Security and trust, Search and research, Finance and markets
The domain it lives on
- paidfor.dev
- registered 28 Oct 2026 (1 months ago), at name.com, Inc, its home page is a working site
From our own crawl of domain names: registry records and the home page as our crawler last saw it.
Every call we made
| When | What happened | Time |
|---|---|---|
| Answered | 2881 ms | |
| Answered | 2225 ms | |
| Answered | 1357 ms |
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