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PopNx MCPMCP servers for people who use AI · explained in plain words

Zihin

by zihin-aiversion 2.2.2i★ –iComputer or cloud
Registry nameai.zihin/mcp-server

Install

Overview

Description from the maker (original English)

Chat with your Zihin.ai agents, list them and load platform skills from any MCP client.

PopNx MCP’s three pillars

These three are never merged into one score: opinions, measurements and popularity are different things.

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

  • Connection: Computer or cloud
  • Transport: stdio, Streamable HTTP
  • Category: Chat & email
  • You need to fill in: ZIHIN_API_KEY, X-Api-Key

Install

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

Before you install

  • Basic checks: 1 of 1 passed
  • Runs on the maker’s server: what you ask it goes through their server.
  • You fill in yourself: ZIHIN_API_KEY, X-Api-Key

Values marked secret are keys to your account. Never share them or paste them into a chat.

You need

  • Runs in the cloudNothing to install; it connects over the internet
  • npmNode.js installed (for the npx command)

Which app do you use?

Pick your app above. We remember it, so next time the button says “Install in …”.

This address needs a key in a request header, which the add-connector menu cannot set. Use Claude Code, Cursor or VS Code instead.

Or run it on your computer

Open Claude Desktop → Settings → Developer → Edit Config, and paste this into claude_desktop_config.json

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

Run this in your terminal

claude mcp add --transport http zihin https://llm.zihin.ai/mcp --header 'X-Api-Key: your-value'

Or run it on your computer

claude mcp add zihin --env ZIHIN_API_KEY=your-value -- npx -y @zihin/mcp-server

Fill in the empty values before running it.

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

{
  "mcpServers": {
    "zihin": {
      "url": "https://llm.zihin.ai/mcp",
      "headers": {
        "X-Api-Key": "your-value"
      }
    }
  }
}

Or run it on your computer

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

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

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

{
  "servers": {
    "zihin": {
      "type": "http",
      "url": "https://llm.zihin.ai/mcp",
      "headers": {
        "X-Api-Key": "your-value"
      }
    }
  }
}

Or run it on your computer

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

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

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

This address needs a key in a request header, which the add-connector menu cannot set. Use Claude Code, Cursor or VS Code instead.

Your choice stays on this device in a cookie; no account needed.

Values you fill in

  • ZIHIN_API_KEY secret required env
    Zihin API Key (zhn_live_*, zhn_test_* or zhn_dev_*), from the Zihin console
  • X-Api-Key secret required HTTP header
    Zihin API Key (zhn_live_*, zhn_test_* or zhn_dev_*), from the Zihin console

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

What it can do

We have not read this server’s tool list yet; we check endpoints in rotation.

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 7, 2026

  • ✓ Pass

    Maker matches the repo

    The registry name was verified against the domain zihin.ai (the registry checks domain ownership)

  • … 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

  • … Not checked yet

    Endpoint responds

    Not checked yet; we check endpoints in rotation

  • … Not checked yet

    Sign-in with OAuth

    Not checked yet; we check endpoints in rotation

  • … Not checked yet

    No hidden instructions in tool descriptions

    Not checked yet; we read the tool list when we check the endpoint

Compared with others in Chat & emaili

  • More stars than 0% of the other 1783 servers in this category
  • Published to the registry more recently than 44% of the other 1783 servers in this category
  • Basic checks equal to or better than 100% of the other 1783 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 Zihin safe?

It passed 1 of 1 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: ZIHIN_API_KEY, X-Api-Key

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 (2.2.2) reached the registry 33 days 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 in developer mode.

What can I use instead?

In the same category: Vexa, emailmd, MCP WhatsApp Cloud

Alternatives

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

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

Vexa

by Vexa-ai

Meeting bot and transcripts for Google Meet, Teams and Zoom. Live or after, speakers labelled.

Runs in the cloud★ 2,949Apache-2.0Updated 2 months ago
Install

emailmd

by anypost

Render markdown into email-safe HTML, lint drafts for deliverability problems, and preview emails.

Computer or cloud★ 1,385MITUpdated 31 days ago
Install

MCP server for WhatsApp Cloud API (Meta) — messages, media, and templates via Graph API

Runs on your computer★ 277MITUpdated 5 months ago
Install

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.

@zihin/mcp-server

Converse com seus agentes de IA da [Zihin.ai](https://www.zihin.ai) e gerencie-os direto do seu IDE ou assistente — Claude, Cursor, VS Code, Codex, Gemini CLI ou qualquer cliente MCP.

Se este projeto for útil para você, uma ⭐ ajuda outras pessoas a encontrá-lo.

Proxy MCP stdio-to-HTTP para a plataforma Zihin.ai. Conecta clientes MCP ao Zihin MCP Server via HTTP.

Cliente MCP <-stdio-> [@zihin/mcp-server] <-HTTP-> https://llm.zihin.ai/mcp
Em 30 segundos
  1. Gere uma API Key no console da Zihin.
  2. Registre o servidor no seu cliente — no Claude Code, por exemplo:
   claude mcp add zihin -e ZIHIN_API_KEY=zhn_live_xxx -- npx -y @zihin/mcp-server

Claude Desktop, Cursor (1 clique), VS Code (1 clique), Windsurf, Gemini CLI e Codex: ver Configuracao.

  1. Peça ao assistente: *"liste meus agentes Zihin"* ou *"converse com o agente X"*.
O que você pode fazer
  • Conversar com agentes publicados (chat_with_agent, com continuidade de sessão).
  • Criar e configurar agentes: persona, tools de API externa, MCP servers externos e publicação — com o prompt guiado setup-agent.
  • Conectar canais e automações: triggers de webhook (WhatsApp, Slack, Teams, n8n), agendados e por e-mail.
  • Governar: teto de gasto por agente, políticas de segurança e aprovação humana antes de ações sensíveis.
  • Diagnosticar: métricas por agente, traces de execução e saúde do tenant.

Até 88 tools para uma key admin (ver Capabilities); o que cada key enxerga depende do role. Documentação completa: docs.zihin.ai · Site: www.zihin.ai

Inicio rapido

macOS / Linux:

ZIHIN_API_KEY=zhn_live_xxx npx @zihin/mcp-server

Windows (PowerShell):

$env:ZIHIN_API_KEY="zhn_live_xxx"; npx @zihin/mcp-server

Na pratica, a maioria dos clientes MCP (Claude Desktop, Cursor, etc.) define a variavel automaticamente via bloco "env" na configuracao — nao e necessario definir manualmente no shell.

Configuracao

Claude Desktop

Adicione ao claude_desktop_config.json:

{

"mcpServers": { "zihin": { "command": "npx", "args": ["-y", "@zihin/mcp-server"], "env": { "ZIHIN_API_KEY": "zhn_live_xxx" } } } }

Claude Code

Adicione ao .mcp.json do projeto:

{

"mcpServers": { "zihin": { "command": "npx", "args": ["-y", "@zihin/mcp-server"], "env": { "ZIHIN_API_KEY": "zhn_live_xxx" } } } }

Ou via CLI (a variavel ZIHIN_API_KEY deve estar definida no shell):

claude mcp add zihin -e ZIHIN_API_KEY=zhn_live_xxx -- npx -y @zihin/mcp-server
Cursor

Instalacao em 1 clique (cole na barra de endereco do navegador ou rode open ' '):

cursor://anysphere.cursor-deeplink/mcp/install?name=zihin&config=eyJjb21tYW5kIjoibnB4IiwiYXJncyI6WyIteSIsIkB6aWhpbi9tY3Atc2VydmVyIl0sImVudiI6eyJaSUhJTl9BUElfS0VZIjoiemhuX2xpdmVfeHh4In19

Troque zhn_live_xxx pela sua key nas configuracoes do MCP depois de instalar. Ou adicione ao .cursor/mcp.json:

{

"mcpServers": { "zihin": { "command": "npx", "args": ["-y", "@zihin/mcp-server"], "env": { "ZIHIN_API_KEY": "zhn_live_xxx" } } } }

VS Code (Copilot)

O botao abre o VS Code com a config pronta (troque zhn_live_xxx pela sua key). Manual: comando MCP: Add Server ou .vscode/mcp.json:

{

"servers": { "zihin": { "command": "npx", "args": ["-y", "@zihin/mcp-server"], "env": { "ZIHIN_API_KEY": "zhn_live_xxx" } } } }

Windsurf

Adicione ao ~/.windsurf/mcp.json:

{

"mcpServers": { "zihin": { "command": "npx", "args": ["-y", "@zihin/mcp-server"], "env": { "ZIHIN_API_KEY": "zhn_live_xxx" } } } }

Gemini CLI
gemini extensions install https://github.com/zihin-ai/gemini-cli-zihin

A extensao pede a API Key na instalacao (fica no keychain) e instala o MCP + contexto. Config manual: ver "Outros clientes MCP".

Codex (OpenAI)

Adicione ao ~/.codex/config.toml (ou .codex/config.toml no projeto):

[mcp_servers.zihin]

command = "npx" args = ["-y", "@zihin/mcp-server"] env_vars = ["ZIHIN_API_KEY"]

A variavel ZIHIN_API_KEY deve estar definida no seu shell. Alternativamente, para definir inline:

[mcp_servers.zihin]

command = "npx" args = ["-y", "@zihin/mcp-server"]

[mcp_servers.zihin.env] ZIHIN_API_KEY = "zhn_live_xxx"

Outros clientes MCP

Qualquer cliente que suporte o protocolo MCP via stdio pode usar este pacote. O padrao de configuracao e o mesmo: executar npx -y @zihin/mcp-server com a variavel ZIHIN_API_KEY definida.

Variaveis de ambiente

VariavelObrigatoriaDescricao
ZIHIN_API_KEYSimAPI Key do tenant (formato zhn_live_*, zhn_test_* ou zhn_dev_*)
ZIHIN_MCP_URLNaoURL do MCP Server (default: https://llm.zihin.ai/mcp)
ZIHIN_MCP_CALL_TIMEOUT_MSNaoTeto de tempo de um tools/call, em milissegundos (default: 300000, 5 min; faixa aceita: 1000–1800000). O server tem deadline proprio por canal (defaults de chat 150s, builder 180s e demais canais 240s, sujeitos ao teto operacional do servidor) — o default deixa o server responder o erro diagnosticavel antes de o proxy cortar. As skills do backend 2026.10.5 informam teto operacional de 180s para os canais externos, incluindo chat_with_agent; esse valor depende da configuracao do servidor. Acima de ~300s o fetch do Node (undici) pode cortar antes, com timeout proprio de headers/body.

Como funciona

O pacote atua como um proxy transparente entre o cliente MCP local (via stdio) e o Zihin MCP Server (via HTTP):

  • Todas as tools, resources e prompts sao descobertos automaticamente do server
  • Auth, RBAC e tenant isolation sao enforced server-side via API Key
  • O role (admin/editor/member) e determinado pela API Key

Skills — deixe seu IDE especialista no Zihin

O servidor expoe 6 skills (playbooks procedurais: criar agente, tools, triggers, diagnostico, governanca) como resources zihin://skills/*, para os roles que enxergam resources (ver Capabilities). Nada precisa ser instalado, mas o corpo da skill nao e entregue sozinho: o client (ou o modelo) precisa consulta-lo com resources/read.

Para instalar tambem no formato NATIVO do seu client (ativacao automatica por contexto):

# Claude Code (Agent Skills em .claude/skills/)

ZIHIN_API_KEY=zhn_live_xxx npx @zihin/mcp-server install-skills --client claude

Cursor (.cursor/rules/*.mdc) | Windsurf (.windsurf/rules/) | Codex (AGENTS.md + .zihin/skills/)

ZIHIN_API_KEY=zhn_live_xxx npx @zihin/mcp-server install-skills --client cursor ZIHIN_API_KEY=zhn_live_xxx npx @zihin/mcp-server install-skills --client all

Offline (usa as skills empacotadas no npm)

npx @zihin/mcp-server install-skills --client claude --bundled

Opcoes: --client claude|cursor|windsurf|codex|all · --dir · --global (so claude, instala em ~/.claude/skills) · --bundled (offline).

As skills sao buscadas do server vivo (sempre atualizadas). Se a busca falhar (rede, server fora do ar, key recusada) ou voltar vazia, o comando instala as copias empacotadas no npm — as mesmas do --bundled, congeladas na data da release. Na falha ele imprime um aviso; nos dois casos a saida informa a fonte usada (fonte: server ou fonte: bundled). Sem ZIHIN_API_KEY e sem --bundled nao ha fallback: o comando encerra com erro. No Codex, um bloco gerenciado e inserido no AGENTS.md (entre , idempotente) com o indice das skills em .zihin/skills/.

Plugin Claude Code (MCP + skills em um comando)
claude plugin marketplace add zihin-ai/zihin-mcp

claude plugin install zihin@zihin

O plugin instala o MCP server (via este pacote) + as 6 skills. Requer ZIHIN_API_KEY exportada no ambiente.

Capabilities

As capabilities disponiveis dependem do role da API Key, controlado server-side:

RoleToolsResourcesPrompts
adminTodas (88)193
editorLeitura (48 — writes nao sao listadas)193
memberSubset consumer (5)--

Contagens verificadas contra producao em 04/10/2026 (88 tools / 19 resources — 3 catalogos + 10 schemas + 6 skills / 3 prompts). O numero exato pode variar conforme o server evolui.

Resources disponiveis
URIDescricao
zihin://agentsLista de agentes do tenant
zihin://modelsCatalogo de modelos LLM disponiveis
zihin://schema-templatesTemplates de schema para configuracao
zihin://schemas/{tipo}Contrato formal (JSON Schema) de cada payload — o mesmo que o server valida (10 tipos)
zihin://skills/{slug}Playbooks procedurais (6 skills — ver secao Skills acima)
Prompts disponiveis
NomeDescricao
setup-agentCria um agente completo (agente + persona + tools + publicacao)
add-toolAdiciona uma tool a um agente existente
configure-webhookConfigura trigger webhook para um agente

Testes

87 testes: unitarios offline (classificacao de erros, teto de timeout, install-skills, verificador do registry, coerencia dos manifests do plugin) + integracao real contra o server de producao. Sem ZIHIN_API_KEY, so os offline rodam; com a key, a suite completa:

ZIHIN_API_KEY=zhn_live_xxx npm test

Cobertura: validacao de API Key, tools (incluindo chat_with_agent com session tracking, continuidade e o contrato de saida — execution_id, cancelled, tools_used/tool_calls), resources, prompts, protocolo MCP (identidade espelhada + instructions), classificacao de erros (formas SDK v1 e v2) e o teto de tools/call conferido contra o deadline do server.

A suite de integracao faz DUAS chamadas reais a chat_with_agent (abertura da sessao e continuidade) — dois turnos de agente, com custo real de LLM no tenant. No CI ela roda apenas no workflow da tag v*.

Troubleshooting

"ERRO: ZIHIN_API_KEY nao definida"

Defina a variavel de ambiente antes de rodar:

# macOS / Linux

ZIHIN_API_KEY=zhn_live_xxx npx @zihin/mcp-server

Windows (PowerShell)

$env:ZIHIN_API_KEY="zhn_live_xxx"; npx @zihin/mcp-server

"Falha ao conectar ao server"
  • Verifique sua conexao com a internet
  • Verifique se a API Key e valida e esta ativa
  • Se usar URL customizada, verifique ZIHIN_MCP_URL
"ERRO FATAL: API Key invalida ou revogada"

A API Key foi revogada ou desativada no painel Zihin. Gere uma nova key e atualize a configuracao do cliente MCP. Reini

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