io.github.nirholas/agentcore-payments-mcp
three.ws Agent Payments
Is the three.ws Agent Payments MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-31.
Governed x402 payment sessions: pay any endpoint with budget, allowlist & per-tx caps, no key.
alive probed 2026-11-14 · unchanged since 2026-10-31
- Run it
- npx -y @three-ws/agentcore-payments-mcp@0.1.5 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- agentcore-payments-mcp 0.1.5
- Capabilities
- tools
- Instructions
- 697 characters
- Of a 1M window
- 0.2 % of a 1M context window
- Count
- 2.0k tokens in Claude Opus 5.5, exact, measured 2026-10-17. With the Claude Code prefix mcp__…__ on each tool name: 2.1k. The o200k_base estimate is 1.1k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/nirholas/three.ws
- Website
- https://three.ws
- Registry
- active, updated 2026-10-10 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.79×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| create_payment_session | 771 | 430 | 38 % |
| pay_with_session | 475 | 265 | 24 % |
| check_payment_session | 280 | 156 | 14 % |
| list_payment_sessions | 269 | 150 | 13 % |
| cancel_payment_session | 208 | 116 | 10 % |
Compare this server with others.
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
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- three.ws Activity io.github.nirholas/activity-mcp · alive
- three.ws AgenC io.github.nirholas/agenc-mcp · alive
- Agent Sniper io.github.nirholas/agent-sniper · install failed
- three.ws Agora io.github.nirholas/agora-mcp · alive
- three.ws Alerts io.github.nirholas/alerts-mcp · alive
- Alibaba Cloud DashScope — Qwen io.github.nirholas/alibaba-cloud · alive
- three.ws Assistant Widget io.github.nirholas/assistant-widget · alive
Servers that mention agentcore or payments or three.
- com.geiant/mcp-agentcore · alive
- Agentic Terminal Directory ai.agenticterminal/directory · alive
- Cabrini Market Data ai.cabrini/market-data · TLS error
- Doklad.ai ai.doklad/mcp · needs auth
- Kifly — Agentic Commerce & Payments ai.kifly/mcp · alive
- Lattiq x402 Trading Signals ai.lattiq/x402-trading-signals · no DNS
- ai.payments.managed/payments-ai-mcp · no DNS
- SAP MCP Server ai.oobeprotocol.sap.mcp/sap-mcp · alive
Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- The server answers initialize and tools/list. Nothing to fix.