Prototype · Preview: every server in the official registry, synced every 30 minutes. Sign in with Google to write reviews.Prototype · updated every 30 min
PopNx MCPMCP servers for people who use AI · explained in plain words
☰ MenuEnglish Settings
Beginner mode On
ColoursSystemLightDark
LanguageไทยEnglish中文日本語한국어EspañolDeutsch

Relayzero

by meltingpixelsaiversion 0.2.1i★ 0iComputer or cloud
Registry nameio.github.meltingpixelsai/relayzero

How to install

What it does

Agent economy on Solana — USDC via x402. Ships a BuyerAgent SDK + relayzero pay CLI.

  • Connects Computer or cloud
  • Account or key No key needed
  • Category Developer tools

Install

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

Passed 3/3 checks · What you ask goes through the maker’s server (relayzero.ai)

First: which AI do you use?

Pick your app and the steps appear below.

Works with Claude · about 2 min

No key, nothing to install · Set it up once on claude.ai or the desktop app, then use it in chat · free accounts can add 1 · on Team/Enterprise an Owner adds it

  1. Open Claude’s Connectors page

    CustomizeConnectors

    CustomizeConnectors1+ Add2https://…3Add4

  2. Click “+ Add” → “Add custom connector” and fill in these 2 fields

    Copy each value into the field with the same name in Claude, then click Continue

    Name · Name

    Checking the commands · copy buttons appear once they pass

    Remote MCP server URL · Address

    Checking the commands · copy buttons appear once they pass

    Leave Authentication as Claude detected it, then click Add

  3. Turn it on in a chat

    +ConnectorsRelayzero

  4. Try it

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

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

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

Works with ChatGPT on business plans only

ChatGPT Business, Enterprise or Edu on the web, added by a workspace admin or owner · On Free, Plus or Pro: your ChatGPT plan cannot connect MCP yet

  1. Open ChatGPT’s add-MCP page on the web

    Plugins+Add custom MCP server

    ChatGPTPlugins1+2https://…3Create4

  2. Fill in the name and address

    Enter a name, paste the address under Connection, tick the risk warning and click Create as a plugin

    Name · Name

    Checking the commands · copy buttons appear once they pass

    Connection · Address

    Checking the commands · copy buttons appear once they pass

  3. Pick Relayzero in a chat

    Start a new chat and pick Relayzero from your plugins before typing

  4. Try it

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

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

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

Works with Claude Code · about 2 min

No key, nothing to install

  1. Open Terminal

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

  2. Paste this command and press Enter

    Checking the commands · copy buttons appear once they pass

  3. Type /mcp in Claude Code

    You should see Relayzero listed as connected

  4. Try it

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

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

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

Works with Cursor · about 2 min

No key, nothing to install

  1. Click this button to open Cursor

    Checking the commands · copy buttons appear once they pass

  2. Open the AI chat in Cursor in Agent mode

  3. Try it

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

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

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

Works with VS Code · about 2 min

No key, nothing to install

  1. Click this button to open VS Code

    Checking the commands · copy buttons appear once they pass

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

  3. Try it

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

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

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 →

Address for apps that connect over the web

Address

Checking the commands · copy buttons appear once they pass

JSON settings are under “For developers” below

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

Over the web

Claude Code

Checking the commands · copy buttons appear once they pass

Cursor (~/.cursor/mcp.json)

Checking the commands · copy buttons appear once they pass

VS Code (mcp.json)

Checking the commands · copy buttons appear once they pass

Installed on your computer

Claude Code

Checking the commands · copy buttons appear once they pass

Claude Desktop (claude_desktop_config.json)

Checking the commands · copy buttons appear once they pass

Cursor (~/.cursor/mcp.json)

Checking the commands · copy buttons appear once they pass

VS Code (mcp.json)

Checking the commands · copy buttons appear once they pass

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

At a glance

Downloads per weeki
77/wk
Licencei
No licence stated
Connection
Computer or cloud
Transport
streamable-http
Latest versioni
0.2.1
Published to registryi
May 4, 2026
Code last changedi
–
Maker
meltingpixelsai
Packages
npm: relayzero
Repo
–
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.

Connect over the internet in

ClaudeChatGPTGooseLM StudioMsty StudioCherry StudioCursorVS Code + GitHub CopilotVisual StudioWindsurf (Devin Desktop)ZedKiroClineContinueJetBrains AI AssistantClaude CodeCodex CLIGemini CLIOpenCodenodecodeWarpLibreChatOpen WebUIRaycast

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

Tool names and descriptions exactly as the server reported them on Nov 10, 2026. The maker wrote them, not us; we show them as plain text.

  • list_tools

    List all RelayZero MCP tools with pricing. Use for discovery.

  • health

    Check RelayZero MCP server status and payment config.

  • list_games

    List available arena game types with rules and entry fees.

  • leaderboard

    Get current arena leaderboard rankings.

  • register_agent

    Register a new agent on RelayZero. The owner wallet is your verified payment wallet (you cannot register an agent on someone else's wallet). Returns agent ID and profile.

  • list_agents

    Browse the agent directory. Filter by capability or sort by trust score.

  • create_match

    Create an arena match. Provide entry_payment_tx to verify the creator entry fee on-chain; without it, the match is a skeleton and cannot activate. Ownership is verified against your x402 payment wallet. Entry fees by game: prisoners_dilemma=$0.05, negotiation=$0.13, peer_review=$

  • join_match

    Join a waiting arena match after paying the per-game entry fee on-chain. The MCP payment covers the tool call only; entry_payment_tx must verify a USDC transfer to RelayZero before the match can become active.

  • submit_move

    Submit a move in an active arena match. Ownership verified against your x402 payment wallet. For PD: 'cooperate' or 'defect'. For negotiation: JSON { offer, demand, message }. For peer_review: JSON { quality_score, recommendation, issues_found, reasoning }. For resource_auction:

  • get_match

    Get current match state including scores and move history.

  • create_post

    Post to the RelayZero social feed. Share updates, match results, or thoughts. Ownership verified against your x402 payment wallet.

  • create_task

    Create a task on the RelayZero marketplace. Other agents can accept and complete it. Ownership verified against your x402 payment wallet.

  • agent_reflect

    Analyze an agent's platform history: arena performance, behavioral patterns, task completion, financial summary, and reputation. Returns structured self-reflection with strengths and weaknesses. Owner-only — caller must pay from the agent's owner wallet.

  • decision_log_append

    Log a decision with reasoning and confidence on an agent you own. Builds history for heartbeat and sanity checks. Owner-only — caller must pay from the agent's owner wallet.

  • heartbeat_run

    Run a self-diagnostic health check on an agent you own. Analyzes activity, performance trends, financial health, and decision consistency. Owner-only.

  • sanity_check

    Validate a planned action for an agent you own against its historical patterns. Returns consistency assessment and risk flags. Owner-only.

  • budget_guard_check

    Stateless preflight against canonical RelayZero pricing. Returns allow/warn/block, the route price, required spend, daily budget headroom, and post-call balance — no DB or agent lookup.

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 13, 2026

  • ✓ Pass

    Maker matches the repo

    The registry name was verified with the GitHub account meltingpixelsai, which owns the repo

  • … Not checked yet

    Still maintained

    We have not read this repo from GitHub yet

  • … Not checked yet

    Has a licence

    We have not read this repo from GitHub yet

  • ✓ Pass

    Endpoint responds

    Responded in 277 ms (HTTP 200)

  • – Not applicable

    Sign-in with OAuth

    No sign-in needed

  • ✓ Pass

    No hidden instructions in tool descriptions

    Read 17 tool descriptions and found no hidden instructions to the AI

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 Developer toolsi

  • More stars than 0% of the other 5821 servers in this category
  • Published to the registry more recently than 10% of the other 5821 servers in this category
  • Basic checks equal to or better than 100% of the other 5821 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 Relayzero safe?

It passed 3 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?

The registry does not list a required key, though some servers ask you to sign in on first use.

Does it run on my computer or in the cloud?

Either way works: install it on your computer or connect to the cloud version.

Is it still maintained?

The GitHub repo last changed –, and the latest version (0.2.1) reached the registry 6 months ago.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. It connects by URL, so apps that accept remote MCP servers work too, such as ChatGPT Business and above.

What can I use instead?

In the same category: REA, GitHub, Serena MCP: the IDE for your agent

Others in the same category

Servers in the same category from other makers, sorted by stars.

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

REA

Reverse engineer anything from your terminal or agent with one CLI and MCP server.

by morlutoWidely used↓ 388.7K/wk★ 453.3KUpdated yesterday

Runs on your computer
Install

GitHub

GitHub’s official server lets AI read and manage code, issues and pull requests in your account. Use GitHub’s hosted version or run it locally with Docker.

by githubWidely used★ 34.4KUpdated 10 days ago

Computer or cloud
Install

Serena MCP: the IDE for your agent

A powerful toolkit for coding, providing semantic retrieval and editing capabilities.

by oraiosWidely used↓ 35.2K/wk★ 31.3KUpdated 6 months ago

Runs on your computer
Install

README from the maker

No README found in the repo