three.ws Agent Payments MCP Server - install & status [2026]

01 · Install three.ws Agent Payments

before you install - you'll need

Set THREE_WS_SESSION before connecting. PAYMENT_SESSION_TOKEN is optional or environment-specific per the README.

Claude Code

claude mcp add nirholas-three.ws-packages-agentcore-pay -- npx -y @three-ws/agentcore-payments-mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "nirholas-three.ws-packages-agentcore-pay": {
      "command": "npx",
      "args": [
        "-y",
        "@three-ws/agentcore-payments-mcp"
      ]
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions

license Apache-2.0 - declared in the repository

npm package @three-ws/agentcore-payments-mcp - the @three-ws scope differs from the repo owner (nirholas); confirm it's the project's official package

registry namespace io.github.nirholas is GitHub-verified and matches the repo owner

03 · What three.ws Agent Payments can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

What you can build

With this server connected, an agent can create a new session funded from your credits, inspect a session's budget, status, and recent payments, list all sessions for the authenticated user, with aggregate stats, and cancel a session and refund the un-spent budget to your credits.

Capability map

Tools grouped from the project's README - what three.ws Agent Payments lets an agent do.

create & write

1 tool - e.g. Create a new session funded from your credits.

create_payment_session

Pay

1 tool - e.g. Pay an x402 endpoint using a session token. The platform wallet signs; your session's policy is enforced.

pay_with_session

Check

1 tool - e.g. Inspect a session's budget, status, and recent payments.

check_payment_session

read & search

1 tool - e.g. List all sessions for the authenticated user, with aggregate stats.

list_payment_sessions

delete

1 tool - e.g. Cancel a session and refund the un-spent budget to your credits.

cancel_payment_session

04 · Who maintains three.ws Agent Payments

three.ws Agent Payments is maintained by nirholas. We track 66 MCP servers from nirholas - 65 actively maintained, 7,658 combined GitHub stars, oldest repo from Feb 2024. Full record: all servers from nirholas.

05 · Facts

repository: github.com/nirholas/three.ws
website: https://three.ws/
category: AI & ML - actively maintained as of 2026-08-25.
registry: io.github.nirholas/agentcore-payments-mcp (active, first published 2026-07-01 · 3 versions)
packages: npm:@three-ws/agentcore-payments-mcp

06 · three.ws Agent Payments FAQ

Is three.ws Agent Payments still maintained?

Yes - as of 2026-08-25, its last commit was 2026-08-24. We re-verify nightly.

What can three.ws Agent Payments do?

With this server connected, an agent can create a new session funded from your credits, inspect a session's budget, status, and recent payments, list all sessions for the authenticated user, with aggregate stats, and cancel a session and refund the un-spent budget to your credits.

How do I install three.ws Agent Payments?

Run `npx -y @three-ws/agentcore-payments-mcp`. The README documents 2 environment variables (THREE_WS_SESSION, PAYMENT_SESSION_TOKEN) to set first. Set THREE_WS_SESSION before connecting. PAYMENT_SESSION_TOKEN is optional or environment-specific per the README. You can also paste the ready-made client config above.

Does three.ws Agent Payments run locally?

Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

07 · Alternatives to three.ws Agent Payments

Alternatives to three.ws Agent Payments

Maintained AI & ML servers if three.ws Agent Payments isn't the fit.

Pairs well with

Servers that cover what three.ws Agent Payments doesn't - only shown when the pairing reason fits the companion.

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