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Arbitova

by jiayuanliang0716-maxversion 3.4.0i★ 2iRuns on your computer
Registry nameio.github.jiayuanliang0716-max/arbitova

How to install

What it does

Escrow + AI arbitration for A2A payments. Lock funds, confirm delivery, dispute if needed.

  • Connects Runs on your computer
  • Account or key Needs ARBITOVA_API_KEY
  • Category Other

Install

Pick the AI app you use, then copy the settings.

Passed 2/3 checks · Runs on your computer · ✓ Commands checked Nov 14, 2026

First: which AI do you use?

Pick your app and the steps appear below.

Works with Claude, with some setup first

You need a Arbitova key (create it on the maker’s site) · Install Node.js on your computer first (one time) · Only the Claude desktop app (Windows or Mac), not the web or phone

Let AI install it

Copy this message into a Claude chat. The AI checks your computer, tells you which file it will change, and waits for your OK every time.

Please install the MCP server Arbitova for Claude on this computer, in this order: 1) Check Node.js with node -v. If it is missing, tell me to install it from https://nodejs.org/en/download; do not install it yourself. 2) Use only this config (already checked by PopNx MCP): { "mcpServers": { "arbitova": { "command": "npx", "args": [ "-y", "@arbitova/mcp-server" ], "env": { "ARBITOVA_API_KEY": "your-value" } } } } 3) Tell me the full path of the file you will change, or the command you will run, and wait for my OK. 4) For ARBITOVA_API_KEY, leave "your-value" in place and tell me to paste the real value myself into the file or the app’s field. Never ask me to type a key in chat. 5) Do what we agreed, then check that the Arbitova tools really show up.

This message has no key in it. If a key is needed, the AI will ask you to paste it yourself into the file or the app’s field.

  1. Install Node.js (if you don’t have it)

    Already installed? Check first · Open Terminal, type this command and press Enter

    node -v
    • A version number such as v26.13.1 = installed, skip this step
    • "command not found" (on Windows: "is not recognized") = not installed yet, or installed but Terminal needs to be closed and reopened
    How to open Terminal

    Mac: press ⌘ + Space, type Terminal, press Enter

    Windows: open Start, type Windows PowerShell, then Open

    Not installed: Open the official download page, pick the LTS version and the click-through installer: .pkg on Mac · .msi on Windows. Double-click and follow it to the end. No curl command needed

    Open the Node.js download page ↗

    When it’s done, close Terminal, open it again and run the same command. You should see a version number: node -v

    Install once; it works for everything that needs Node.js

  2. Sign up and create a Arbitova key

    Open the maker’s site, sign up and create an API key for the next step. Check the maker’s site for pricing and free plans.

    How to get a key is in the maker’s README below

  3. Open the Claude desktop app’s settings file

    SettingsDeveloperEdit Config

  4. Paste these settings and save the file

    {
  "mcpServers": {
    "arbitova": {
      "command": "npx",
      "args": [
        "-y",
        "@arbitova/mcp-server"
      ],
      "env": {
        "ARBITOVA_API_KEY": "your-value"
      }
    }
  }
}

    Paste the key only into the app’s field, never into a chat or to anyone

  5. Quit Claude and open it again

  6. Try it

    Use Arbitova and tell me what you can do for me, then show me one thing

    ✓ If Claude says it is using Arbitova or shows a Arbitova tool in the answer, you are connected

1 optional setting(s) (works without them)

The command above works without these. Add them only if you want to change something, following the maker’s description.

  • ARBITOVA_BASE_URL Override the Arbitova API base URL. Defaults to production.

Descriptions are as written by the maker.

Menu names checked against Anthropic’s help page on Nov 11, 2026 · your screen may differ slightly by app version

ChatGPT cannot connect Arbitova yet

Arbitova runs on your computer, but ChatGPT can only connect servers that run on the web

What you can do instead

A · Use an app that can connect Arbitova

  • You need a Arbitova key (create it on the maker’s site) · Install Node.js on your computer first (one time) · Only the Claude desktop app (Windows or Mac), not the web or phone
  • You need a Arbitova key (create it on the maker’s site) · Install Node.js on your computer first (one time)
  • You need a Arbitova key (create it on the maker’s site) · Install Node.js on your computer first (one time)
  • You need a Arbitova key (create it on the maker’s site) · Install Node.js on your computer first (one time)

B · Others in Other that work with ChatGPT

Picked from the most used in the same category, only ones that connect by address with no key

Works with Claude Code, with some setup first

You need a Arbitova key (create it on the maker’s site) · Install Node.js on your computer first (one time)

Let AI install it

Copy this message into a Claude Code chat. The AI checks your computer, tells you which file it will change, and waits for your OK every time.

Please install the MCP server Arbitova for Claude Code on this computer, in this order: 1) Check Node.js with node -v. If it is missing, tell me to install it from https://nodejs.org/en/download; do not install it yourself. 2) Use only this config (already checked by PopNx MCP): claude mcp add --scope user arbitova --env ARBITOVA_API_KEY=your-value -- npx -y @arbitova/mcp-server 3) Tell me the full path of the file you will change, or the command you will run, and wait for my OK. 4) For ARBITOVA_API_KEY, leave "your-value" in place and tell me to paste the real value myself into the file or the app’s field. Never ask me to type a key in chat. 5) Do what we agreed, then check that the Arbitova tools really show up.

This message has no key in it. If a key is needed, the AI will ask you to paste it yourself into the file or the app’s field.

  1. Install Node.js (if you don’t have it)

    Already installed? Check first · Open Terminal, type this command and press Enter

    node -v
    • A version number such as v26.13.1 = installed, skip this step
    • "command not found" (on Windows: "is not recognized") = not installed yet, or installed but Terminal needs to be closed and reopened
    How to open Terminal

    Mac: press ⌘ + Space, type Terminal, press Enter

    Windows: open Start, type Windows PowerShell, then Open

    Not installed: Open the official download page, pick the LTS version and the click-through installer: .pkg on Mac · .msi on Windows. Double-click and follow it to the end. No curl command needed

    Open the Node.js download page ↗

    When it’s done, close Terminal, open it again and run the same command. You should see a version number: node -v

    Install once; it works for everything that needs Node.js

  2. Sign up and create a Arbitova key

    Open the maker’s site, sign up and create an API key for the next step. Check the maker’s site for pricing and free plans.

    How to get a key is in the maker’s README below

  3. Open Terminal

    Mac: press Command+Space and type Terminal · Windows: open PowerShell

  4. Paste this command and press Enter

    claude mcp add --scope user arbitova --env ARBITOVA_API_KEY=your-value -- npx -y @arbitova/mcp-server

    Replace “your-value” with your key before pressing Enter

    Paste the key only into the app’s field, never into a chat or to anyone

  5. Type /mcp in Claude Code

    You should see Arbitova listed as connected

  6. Try it

    Use Arbitova and tell me what you can do for me, then show me one thing

    ✓ If Claude Code says it is using Arbitova or shows a Arbitova tool in the answer, you are connected

1 optional setting(s) (works without them)

The command above works without these. Add them only if you want to change something, following the maker’s description.

  • ARBITOVA_BASE_URL Override the Arbitova API base URL. Defaults to production.

Descriptions are as written by the maker.

Menu names checked against Anthropic’s help page on Nov 11, 2026 · your screen may differ slightly by app version

Works with Cursor, with some setup first

You need a Arbitova key (create it on the maker’s site) · Install Node.js on your computer first (one time)

Let AI install it

Copy this message into a Cursor chat. The AI checks your computer, tells you which file it will change, and waits for your OK every time.

Please install the MCP server Arbitova for Cursor on this computer, in this order: 1) Check Node.js with node -v. If it is missing, tell me to install it from https://nodejs.org/en/download; do not install it yourself. 2) Use only this config (already checked by PopNx MCP): { "mcpServers": { "arbitova": { "command": "npx", "args": [ "-y", "@arbitova/mcp-server" ], "env": { "ARBITOVA_API_KEY": "your-value" } } } } 3) Tell me the full path of the file you will change, or the command you will run, and wait for my OK. 4) For ARBITOVA_API_KEY, leave "your-value" in place and tell me to paste the real value myself into the file or the app’s field. Never ask me to type a key in chat. 5) Do what we agreed, then check that the Arbitova tools really show up.

This message has no key in it. If a key is needed, the AI will ask you to paste it yourself into the file or the app’s field.

  1. Install Node.js (if you don’t have it)

    Already installed? Check first · Open Terminal, type this command and press Enter

    node -v
    • A version number such as v26.13.1 = installed, skip this step
    • "command not found" (on Windows: "is not recognized") = not installed yet, or installed but Terminal needs to be closed and reopened
    How to open Terminal

    Mac: press ⌘ + Space, type Terminal, press Enter

    Windows: open Start, type Windows PowerShell, then Open

    Not installed: Open the official download page, pick the LTS version and the click-through installer: .pkg on Mac · .msi on Windows. Double-click and follow it to the end. No curl command needed

    Open the Node.js download page ↗

    When it’s done, close Terminal, open it again and run the same command. You should see a version number: node -v

    Install once; it works for everything that needs Node.js

  2. Sign up and create a Arbitova key

    Open the maker’s site, sign up and create an API key for the next step. Check the maker’s site for pricing and free plans.

    How to get a key is in the maker’s README below

  3. Click this button to open Cursor

    Open in Cursor

    Cursor asks you to confirm; click Install

  4. Fill in your key

    In the Arbitova settings, ARBITOVA_API_KEY is empty; add your key and save

    Paste the key only into the app’s field, never into a chat or to anyone

  5. Open the AI chat in Cursor in Agent mode

  6. Try it

    Use Arbitova and tell me what you can do for me, then show me one thing

    ✓ If Cursor says it is using Arbitova or shows a Arbitova tool in the answer, you are connected

1 optional setting(s) (works without them)

The command above works without these. Add them only if you want to change something, following the maker’s description.

  • ARBITOVA_BASE_URL Override the Arbitova API base URL. Defaults to production.

Descriptions are as written by the maker.

Menu names checked against Cursor’s help page on Nov 11, 2026 · your screen may differ slightly by app version

Works with VS Code, with some setup first

You need a Arbitova key (create it on the maker’s site) · Install Node.js on your computer first (one time)

Let AI install it

Copy this message into a VS Code chat. The AI checks your computer, tells you which file it will change, and waits for your OK every time.

Please install the MCP server Arbitova for VS Code on this computer, in this order: 1) Check Node.js with node -v. If it is missing, tell me to install it from https://nodejs.org/en/download; do not install it yourself. 2) Use only this config (already checked by PopNx MCP): { "servers": { "arbitova": { "type": "stdio", "command": "npx", "args": [ "-y", "@arbitova/mcp-server" ], "env": { "ARBITOVA_API_KEY": "your-value" } } } } 3) Tell me the full path of the file you will change, or the command you will run, and wait for my OK. 4) For ARBITOVA_API_KEY, leave "your-value" in place and tell me to paste the real value myself into the file or the app’s field. Never ask me to type a key in chat. 5) Do what we agreed, then check that the Arbitova tools really show up.

This message has no key in it. If a key is needed, the AI will ask you to paste it yourself into the file or the app’s field.

  1. Install Node.js (if you don’t have it)

    Already installed? Check first · Open Terminal, type this command and press Enter

    node -v
    • A version number such as v26.13.1 = installed, skip this step
    • "command not found" (on Windows: "is not recognized") = not installed yet, or installed but Terminal needs to be closed and reopened
    How to open Terminal

    Mac: press ⌘ + Space, type Terminal, press Enter

    Windows: open Start, type Windows PowerShell, then Open

    Not installed: Open the official download page, pick the LTS version and the click-through installer: .pkg on Mac · .msi on Windows. Double-click and follow it to the end. No curl command needed

    Open the Node.js download page ↗

    When it’s done, close Terminal, open it again and run the same command. You should see a version number: node -v

    Install once; it works for everything that needs Node.js

  2. Sign up and create a Arbitova key

    Open the maker’s site, sign up and create an API key for the next step. Check the maker’s site for pricing and free plans.

    How to get a key is in the maker’s README below

  3. Click this button to open VS Code

    Open in VS Code

    VS Code asks you to confirm; click Install

  4. Fill in your key

    In the Arbitova settings, ARBITOVA_API_KEY is empty; add your key and save

    Paste the key only into the app’s field, never into a chat or to anyone

  5. Open the AI chat in VS Code in Agent mode

  6. Try it

    Use Arbitova and tell me what you can do for me, then show me one thing

    ✓ If VS Code says it is using Arbitova or shows a Arbitova tool in the answer, you are connected

1 optional setting(s) (works without them)

The command above works without these. Add them only if you want to change something, following the maker’s description.

  • ARBITOVA_BASE_URL Override the Arbitova API base URL. Defaults to production.

Descriptions are as written by the maker.

Menu names checked against VS Code’s help page on Nov 11, 2026 · your screen may differ slightly by app version

Other apps that use MCP, such as Windsurf, Zed or Gemini CLI, each add servers differently. See how in the app list.

See every app that uses MCP →

JSON settings are under “For developers” below

Stuck? Ask people who use Arbitova💬 Discussion →
For developers: Terminal commands and JSON settings

Installed on your computer

Claude Code

claude mcp add --scope user arbitova --env ARBITOVA_API_KEY=your-value -- npx -y @arbitova/mcp-server

Claude Desktop (claude_desktop_config.json)

{
  "mcpServers": {
    "arbitova": {
      "command": "npx",
      "args": [
        "-y",
        "@arbitova/mcp-server"
      ],
      "env": {
        "ARBITOVA_API_KEY": "your-value"
      }
    }
  }
}

Cursor (~/.cursor/mcp.json)

{
  "mcpServers": {
    "arbitova": {
      "command": "npx",
      "args": [
        "-y",
        "@arbitova/mcp-server"
      ],
      "env": {
        "ARBITOVA_API_KEY": "your-value"
      }
    }
  }
}

VS Code (mcp.json)

{
  "servers": {
    "arbitova": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@arbitova/mcp-server"
      ],
      "env": {
        "ARBITOVA_API_KEY": "your-value"
      }
    }
  }
}

Values you fill in

  • ARBITOVA_API_KEY secret required env
    Your Arbitova API key. Register an agent at https://arbitova.com to get one.
  • ARBITOVA_BASE_URL env
    Override the Arbitova API base URL. Defaults to production.

Descriptions are as written by the maker.

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

At a glance

Downloads per weeki
52/wk
Connection
Runs on your computer
Latest versioni
3.4.0
Categoryi
Other
Published to registryi
Apr 18, 2026
Code last changedi
Apr 28, 2026
Maker
jiayuanliang0716-max
Packages
npm: @arbitova/mcp-server
Registry status
Active

Which apps can use it

Based on how this server connects and on each app’s own docs, checked Nov 10, 2026.

Run on your computer in

ClaudeGooseLM StudioMsty StudioCherry StudioCursorVS Code + GitHub CopilotVisual StudioWindsurf (Devin Desktop)ZedKiroClineContinueJetBrains AI AssistantClaude CodeCodex CLIGemini CLIOpenCodenodecodeWarpLibreChatRaycast

All apps, with pros and cons →

Related guides

Guide 85 checks before you install an MCPAbout 2 minutes each: check its page on our site and the permission request in your AI app before you say yes.4 min read

What it can do

Runs on your computer; the tool list appears in your AI app after you install it.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 15, 2026

  • ✓ Pass

    Maker matches the repo

    The registry name was verified with the GitHub account jiayuanliang0716-max, which owns the repo

  • ! Caution

    Still maintained

    Code last changed 7 months ago, more than 6 months ago

  • ✓ Pass

    Has a licence

    Uses MIT

  • – Not applicable

    Endpoint responds

    This one runs on your computer; there is no internet endpoint

  • – Not applicable

    Sign-in with OAuth

    Runs on your computer and uses local settings instead

  • … Not checked yet

    No hidden instructions in tool descriptions

    Runs on your computer; we can only read tool lists from internet endpoints

Published vulnerabilities (OSV.dev)

Not checked yet

What we check → · JSON

Makers: ask for a re-check or report wrong info

Sign in to request a re-check

Discussion

Ask, share a tip or report that it does not work. Sorted by what people marked helpful.

No posts yet. Be the first to ask or share.

Posts here are written by users, not the PopNx team.

Sign in with Google to post

User reviews

No reviews yet

Sign in with Google to write a review

Compared with others in Otheri

  • More stars than 91% of the other 19826 servers in this category
  • Published to the registry more recently than 5% of the other 19826 servers in this category
  • Basic checks equal to or better than 45% of the other 19826 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is Arbitova safe?

It passed 2 of 3 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

You need to fill in: ARBITOVA_API_KEY

Does it run on my computer or in the cloud?

It runs on your computer. Your AI app starts it when needed, and data does not pass through the maker’s servers (unless it calls an online service itself).

Is it still maintained?

The GitHub repo last changed 7 months ago, and the latest version (3.4.0) reached the registry 7 months ago.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. You also need Node.js on your computer.

What can I use instead?

In the same category: World Monitor, openstatus, Oh My Posh Validator, Strata, Jitsu

Similar alternatives

Same category, other makers, commands already checked. Official ones first, then by stars.

Reading a card:↓ Downloads per weeki★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

World Monitor

Real-time global intelligence on conflict, markets, energy, trade, shipping and cyber. 97 tools.

by koala73Widely used★ 90.6KUpdated yesterday

Runs in the cloud✓ service owner · worldmonitor.app
How to connect

openstatus

Manage monitors, status pages, incidents and maintenances in your openstatus workspace.

by openstatusHQWidely used★ 9.3KUpdated 2 months ago

Runs in the cloud✓ service owner · openstatus.dev
How to connect

Oh My Posh Validator

Validate oh-my-posh configurations and segment snippets against the official schema.

by JanDeDobbeleerWidely used★ 23.8K Stars for the whole repoUpdated 26 days ago

Runs in the cloud✓ service owner · ohmyposh.dev
How to connect

Strata

MCP server for progressive tool usage at any scale (see https://klavis.ai)

by Klavis-AIGrowing★ 5.8KUpdated 14 months ago

Runs in the cloudRepo archived✓ klavis.ai
How to connect

Jitsu

Manage Jitsu data pipelines: destinations, streams, connections, functions, live events.

by jitsucomWidely used★ 5.1KUpdated 4 months ago

Runs in the cloud✓ service owner · jitsu.com
How to connect
  • World Monitor — Runs in the cloud, nothing to install · No key needed
  • openstatus — Runs in the cloud, nothing to install · No key needed
  • Oh My Posh Validator — Runs in the cloud, nothing to install · No key needed
  • Strata — Runs in the cloud, nothing to install · No key needed
  • Jitsu — Runs in the cloud, nothing to install · No key needed

README from the maker

Open the README

Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.

Arbitova

Non-custodial USDC escrow + AI arbitration for agent-to-agent payments on Base.

Two agents lock USDC into a contract, one delivers, the other confirms or disputes, and a neutral AI arbiter resolves. Arbitova never holds the money — the contract does.

No API keys. No registration. No custody. Your Ethereum address is your identity.

Why this exists

Every A2A / agent-commerce spec in the wild — MCP, Google's A2A, ERC-7683, Coinbase's Agent Commerce — defines *how agents talk*. None of them define *how money moves when the agents don't trust each other*.

Arbitova is the missing settlement primitive:

  • Deterministic state machine. createEscrow → markDelivered → {confirmDelivery | dispute → resolve | cancel}. No hidden branches, no admin override.
  • No auto-release after timeout. Review windows expire into DISPUTED, not into seller payout. Silence is safer than a wrong confirmation.
  • Content-hash pinned on-chain. Sellers can't swap the delivery file after the buyer inspects.
  • Per-case verdict transparency. Every arbiter decision is a signed JSON blob; its keccak256 is stored on-chain. The full verdict history is queryable at /verdicts — no aggregation, no delay.

This is not a marketplace. There is no Arbitova account, no listing fee, no Pro tier. The protocol is the whole product.

Quick start — Node.js SDK

npm install @arbitova/sdk ethers
import { Arbitova } from '@arbitova/sdk';

const buyer = await Arbitova.fromPrivateKey({ privateKey: process.env.BUYER_PK });

const { escrowId, txHash } = await buyer.createEscrow({ seller: process.env.SELLER_ADDRESS, amount: '5.00', deliveryHours: 24, reviewHours: 24, verificationURI: 'https://example.com/spec.json', });

console.log(Escrow #${escrowId} locked — ${buyer.explorerTx(txHash)});

Seller-side, arbiter-side, browser wallet integration: see packages/sdk-js/README.md.

Quick start — Python SDK

pip install "arbitova[path_b]"
from arbitova import path_b

result = path_b.arbitova_create_escrow( seller="0x...", amount=5.00, verification_uri="https://example.com/spec.json", ) print(result)

Quick start — Claude / any MCP client

{

"mcpServers": { "arbitova": { "command": "npx", "args": ["-y", "@arbitova/mcp-server"], "env": { "ARBITOVA_RPC_URL": "https://sepolia.base.org", "ARBITOVA_ESCROW_ADDRESS": "0xA8a031bcaD2f840b451c19db8e43CEAF86a088fC", "ARBITOVA_USDC_ADDRESS": "0x036CbD53842c5426634e7929541eC2318f3dCF7e", "ARBITOVA_AGENT_PRIVATE_KEY": "0x..." } } } }

Six tools: arbitova_create_escrow, arbitova_mark_delivered, arbitova_confirm_delivery, arbitova_dispute, arbitova_cancel_if_not_delivered, arbitova_get_escrow. All sign locally via ethers v6. Your private key never leaves the process.

Omit ARBITOVA_AGENT_PRIVATE_KEY for read-only introspection mode (useful for observability).

Lifecycle

                      ┌──────────────────┐

│ CREATED │ buyer locked USDC └────────┬─────────┘ │ ▼ seller.markDelivered() ┌──────────────────┐ │ DELIVERED │ deliveryHash on-chain └────────┬─────────┘ │ buyer.confirmDelivery()│ │ buyer.dispute() │ │ or seller.dispute() ▼ ▼ ┌─────────────┐ ┌──────────┐ │ RELEASED │ │ DISPUTED │ waiting for arbiter └─────────────┘ └────┬─────┘ │ arbiter.resolve(bps split + verdictHash) ▼ ┌──────────┐ │ RESOLVED │ └──────────┘

Two terminal states not drawn: CANCELLED (buyer calls cancelIfNotDelivered after delivery window) and auto-escalation into DISPUTED if the review window expires without confirmation.

Framework reference agents

Three end-to-end A2A demos on Base Sepolia with a live AI arbiter:

  • [Claude Agent SDK](./demo) — in-process MCP tools
  • [LangGraph](./demo) — ReAct agent, buyer + seller + arbiter
  • [CrewAI](./demo) — Agent + Task + Crew

Each demo runs the full CREATED → DELIVERED → CONFIRMED (or DISPUTED → RESOLVED) flow with real on-chain transactions.

Packages

PackagePurpose
@arbitova/sdkNode.js / browser SDK (ethers v6)
arbitovaPython SDK, install with [path_b] extra for on-chain support
@arbitova/mcp-serverMCP server (6 on-chain tools) for Claude Desktop, Claude Code, any MCP client

Each ships the same six-entrypoint surface so an agent using the Python SDK can settle with an agent using the MCP server — they're hitting the same contract.

Fees

WhenFeePaid by
confirmDelivery / review-window expiry auto-settle0.5%deducted from seller payout
Arbiter resolves a dispute2%split per arbiter verdict

Fees accrue in the contract. The protocol runs on them; there is no subscription.

Networks

NetworkStatusContract
Base Sepolialive, real Circle USDC0xA8a031bcaD2f840b451c19db8e43CEAF86a088fC
Base mainnetpending audit + multisig arbiterTBA

Watch the Dev Log for mainnet launch.

Legacy (Path A)

v2.x of the SDKs and v3.4.0 of the MCP server were a custodial HTTP client against api.arbitova.com. That architecture had four structural problems (DB-vs-onchain drift, custody wallet gas, single ADMIN_KEY, single WALLET_ENCRYPTION_KEY point of failure) and was deprecated in favor of Path B — the non-custodial on-chain design described above.

Old packages remain on npm/PyPI but are deprecated.

License

MIT