Olist ERP MCP Server
Enables AI agents to interact with the Olist ERP (Tiny) API v3, providing 168 tools for managing products, orders, contacts, invoices, and more.
README
Olist ERP MCP Server
Servidor MCP para a API Olist ERP (Tiny ERP) v3 com 168 tools geradas automaticamente do Swagger da API.
Compativel com qualquer cliente MCP — Claude Code, Claude Desktop, n8n, Cursor, etc.
O que faz
Conecta qualquer agente de IA ao Olist ERP. As 168 tools cobrem todas as operacoes da API:
| Categoria | Tools | Operacoes |
|---|---|---|
| Produtos | 24 | CRUD, estoque, precos, kits, anexos |
| Pedidos de Venda | 14 | CRUD, notas, etiquetas, rastreio |
| Contatos | 14 | CRUD, tipos, busca |
| Contas a Pagar | 14 | CRUD, baixa, estorno |
| Contas a Receber | 14 | CRUD, baixa, estorno, boletos |
| Notas Fiscais (NFe/NFCe) | 18 | Emissao, consulta, XML, cancelamento |
| PDV | 10 | Vendas, sessoes, caixa |
| CRM | 8 | Oportunidades, funil |
| Contratos | 6 | CRUD, parcelas |
| Ordem de Servico | 6 | CRUD |
| Expedicao | 8 | Volumes, objetos, etiquetas |
| Catalogo | 16 | Categorias, marcas, depositos, vendedores |
| Configuracoes | 16 | Empresa, formas pgto, parcelas |
Quick Start
1. Configure o .env
cp .env.example .env
Preencha com suas credenciais Olist:
MCP_SERVER_NAME=olist-erp
SWAGGER_URL=https://erp.tiny.com.br/public-api/v3/swagger/swagger.json
OAUTH_CLIENT_ID=seu-client-id
OAUTH_CLIENT_SECRET=seu-client-secret
OAUTH_AUTH_URL=https://accounts.tiny.com.br/realms/tiny/protocol/openid-connect/auth
OAUTH_TOKEN_URL=https://accounts.tiny.com.br/realms/tiny/protocol/openid-connect/token
OAUTH_REDIRECT_URI=http://localhost:47321/auth/callback
OAUTH_SCOPE=openid
Para obter
client_ideclient_secret, crie uma aplicacao no painel de integracoes da sua conta Olist ERP (Tiny).
2. Suba o server
# Docker (recomendado)
docker compose up -d
# Ou local
pip install -r requirements.txt
python -m src.server
3. Autentique com a Olist
Abra http://localhost:47321/auth no browser e autorize a aplicacao na conta Olist.
4. Crie um token de acesso
curl -X POST http://localhost:47321/api/tokens \
-H 'Content-Type: application/json' \
-d '{"name": "meu-token"}'
Guarde o token retornado — sera necessario para acessar o endpoint /mcp.
5. Conecte seu agente
Configure o MCP client apontando para http://localhost:47321/mcp com o header Authorization: Bearer SEU_TOKEN.
Configuracao
| Variavel | Default | Descricao |
|---|---|---|
| MCP Server | ||
MCP_SERVER_NAME |
swagger-mcp |
Nome do server MCP |
MCP_SERVER_INSTRUCTIONS |
(auto) | Instrucoes do server para o LLM |
MCP_TRANSPORT |
streamable-http |
Transporte: streamable-http, sse ou stdio |
MCP_HOST |
0.0.0.0 |
Host do servidor |
MCP_PORT |
47321 |
Porta do servidor |
| Swagger | ||
SWAGGER_URL |
— | URL do swagger spec (fetched no startup, cached localmente) |
| API | ||
API_BASE_URL |
(auto do spec) | Base URL da API (auto-detectado do servers[0].url do swagger) |
| OAuth2 | ||
OAUTH_CLIENT_ID |
— | Client ID (obrigatorio) |
OAUTH_CLIENT_SECRET |
— | Client Secret (obrigatorio) |
OAUTH_AUTH_URL |
— | URL de autorizacao OAuth |
OAUTH_TOKEN_URL |
— | URL de troca de tokens |
OAUTH_REDIRECT_URI |
http://localhost:47321/auth/callback |
Redirect URI |
OAUTH_SCOPE |
openid |
Scopes OAuth |
OAUTH_TOKEN_FILE |
data/.oauth_tokens.json |
Caminho para persistir tokens OAuth |
| API Token | ||
MCP_TOKEN_FILE |
data/.mcp_tokens.json |
Caminho para persistir tokens de acesso |
Autenticacao OAuth2
O servidor embute o fluxo OAuth2 completo com a Olist via rotas HTTP.
Fluxo
- Suba o servidor — funciona mesmo sem tokens
- Abra
/authno browser — redireciona para login da Olist - Autorize a aplicacao — redireciona de volta para
/auth/callback - Tokens salvos — troca o code por tokens e salva em
data/.oauth_tokens.json - Pronto — todas as 168 tools funcionam
Tokens sao renovados automaticamente via refresh token. Se expirar, abra /auth novamente.
Seguranca — Token de Acesso
O endpoint /mcp e protegido por Bearer token. Ao criar o primeiro token, a autenticacao e ativada automaticamente — qualquer request sem token valido recebe 401 Unauthorized.
Rotas publicas (sem token): /auth, /auth/callback, /auth/status, /health, /info, /api/tokens.
Criar token
curl -X POST http://localhost:47321/api/tokens \
-H 'Content-Type: application/json' \
-d '{"name": "meu-token", "description": "Token para meus scripts"}'
Resposta:
{
"token": "dKx8vZ-pQ_H2mN4r8tL9...",
"name": "meu-token",
"message": "Save this token securely. You won't be able to see it again."
}
Usar o token
curl -X POST http://localhost:47321/mcp \
-H 'Authorization: Bearer dKx8vZ-pQ_H2mN4r8tL9...' \
-H 'Content-Type: application/json' \
-d '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{...}}'
Listar tokens
curl http://localhost:47321/api/tokens
Revogar token
curl -X DELETE http://localhost:47321/api/tokens/dummy \
-H 'Content-Type: application/json' \
-d '{"token": "dKx8vZ-pQ_H2mN4r8tL9..."}'
Tokens sao salvos com hash SHA-256. Se perder o token, crie um novo.
Rotas HTTP
| Rota | Descricao |
|---|---|
GET /auth |
Redireciona para login OAuth da Olist |
GET /auth/callback |
Recebe o code e troca por tokens |
GET /auth/status |
Retorna {"authenticated": true/false} |
GET /api/tokens |
Lista tokens ativos |
POST /api/tokens |
Cria novo token |
DELETE /api/tokens/{hash} |
Revoga token |
GET /health |
Health check (200 healthy / 503 degraded) |
GET /info |
Metadata: nome, transport, tools, swagger_url |
POST /mcp |
Endpoint MCP — requer Bearer token |
Integracao
Claude Desktop
1. Configure o MCP server em claude_desktop_config.json (Settings > Developer > Edit Config):
{
"mcpServers": {
"olist-erp": {
"url": "http://localhost:47321/mcp",
"headers": {
"Authorization": "Bearer SEU_TOKEN_AQUI"
}
}
}
}
2. Adicione o Agent Prompt — copie o conteudo de agents/olist-erp.md como Project Instructions no Claude Desktop.
Isso ensina o Claude as quirks da API Olist (validacao de EAN, workflows de NF, regras do ERP brasileiro). Sem o agent prompt, o Claude vai errar frequentemente.
Claude Code
{
"mcpServers": {
"olist-erp": {
"url": "http://localhost:47321/mcp",
"headers": {
"Authorization": "Bearer SEU_TOKEN_AQUI"
}
}
}
}
n8n
- Suba o container com
docker compose up -d - Autentique via
http://localhost:47321/auth - Crie um token:
curl -X POST http://localhost:47321/api/tokens -H 'Content-Type: application/json' -d '{"name":"n8n"}' - No n8n, adicione um MCP Client node apontando para
http://host.docker.internal:47321/mcpcom headerAuthorization: Bearer SEU_TOKEN
stdio (sem Docker)
{
"mcpServers": {
"olist-erp": {
"command": "python",
"args": ["-m", "src.server"],
"cwd": "/caminho/para/olist-mcp-server"
}
}
}
Docker
docker-compose.yml
services:
olist-mcp:
build: .
ports:
- "47321:47321"
env_file:
- .env
volumes:
- ./data:/app/data
restart: unless-stopped
Imagem do GHCR
docker pull ghcr.io/opastorello/olist-mcp-server:1.0.0
Health check
curl http://localhost:47321/health
# {"status":"healthy","server":"olist-erp","tools":168,"authenticated":true,"transport":"streamable-http"}
Arquitetura
src/
├── server.py # Entry point - FastMCP + rotas OAuth/health + auth middleware
├── api_client.py # Cliente HTTP async generico
├── tools_generator.py # Gera tools dinamicamente do swagger + auto-fetch
├── oauth.py # OAuth2 token manager (exchange, refresh, persistencia)
├── token_auth.py # API token manager (SHA-256 hash, CRUD, validacao)
├── __main__.py # python -m src
└── __init__.py
agents/
└── olist-erp.md # Agent prompt para Claude Desktop (168 tools documentadas)
O swagger e buscado da SWAGGER_URL no startup e cacheado localmente. Se a Olist adicionar endpoints novos, basta reiniciar o server — novas tools aparecem automaticamente.
Pre-requisitos
- Python 3.12+
- Docker (opcional, recomendado)
- Credenciais OAuth2 da Olist (crie no painel de integracoes da sua conta Olist ERP)
Licenca
MIT
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