CNJ (Datajud API Pública) MCP Server for Mastra AIGive Mastra AI instant access to 3 tools to Search Process By Number, Search Processes Advanced, Search Processes By Class And Organ
GDPR Free for SubscribersMastra AI is a TypeScript-native agent framework built for modern web stacks. Connect CNJ (Datajud API Pública) through Vinkius and Mastra agents discover all tools automatically. type-safe, streaming-ready, and deployable anywhere Node.js runs.
Ask AI about this MCP Server for Mastra AI
The CNJ (Datajud API Pública) MCP Server for Mastra AI is a standout in the Data Management category — giving your AI agent 3 tools to work with, ready to go from day one.
Vinkius delivers Streamable HTTP and SSE to any MCP client
Geminiimport { Agent } from "@mastra/core/agent";
import { createMCPClient } from "@mastra/mcp";
import { openai } from "@ai-sdk/openai";
async function main() {
// Your Vinkius token. get it at cloud.vinkius.com
const mcpClient = await createMCPClient({
servers: {
"cnj-datajud-api-publica": {
url: "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
},
},
});
const tools = await mcpClient.getTools();
const agent = new Agent({
name: "CNJ (Datajud API Pública) Agent",
instructions:
"You help users interact with CNJ (Datajud API Pública) " +
"using 3 tools.",
model: openai("gpt-4o"),
tools,
});
const result = await agent.generate(
"What can I do with CNJ (Datajud API Pública)?"
);
console.log(result.text);
}
main();
* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure
About CNJ (Datajud API Pública) MCP Server
Connect to the CNJ Datajud Public API to perform deep searches across the Brazilian judicial system. This server allows AI agents to retrieve detailed metadata about lawsuits, court movements, and procedural history directly from the official national database.
Mastra's agent abstraction provides a clean separation between LLM logic and CNJ (Datajud API Pública) tool infrastructure. Connect 3 tools through Vinkius and use Mastra's built-in workflow engine to chain tool calls with conditional logic, retries, and parallel execution. deployable to any Node.js host in one command.
What you can do
- Search by CNJ Number — Retrieve full details of a specific lawsuit using its unique unformatted numbering and the target court alias.
- Class & Organ Filtering — Find processes categorized by their Procedural Class (TPU) and specific Court Organ codes.
- Advanced Elasticsearch Queries — Execute complex searches using the full power of Elasticsearch Query DSL to filter by dates, parties, or specific metadata fields.
- Court Coverage — Access data from various courts including TRFs, TJs, TST, and more via their respective API aliases.
The CNJ (Datajud API Pública) MCP Server exposes 3 tools through the Vinkius. Connect it to Mastra AI in under two minutes — credentials fully managed, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.
All 3 CNJ (Datajud API Pública) tools available for Mastra AI
When Mastra AI connects to CNJ (Datajud API Pública) through Vinkius, your AI agent gets direct access to every tool listed below — spanning judicial-records, brazil-law, procedural-data, and more. Every call runs in a secure, isolated environment with full audit visibility. Beyond a simple connection, you get real-time monitoring of agent activity, enterprise governance, and optimized token usage.
Search process by number on CNJ (Datajud API Pública)
g., api_publica_trf1, api_publica_tjsp). Search for a specific judicial process by its CNJ number
Search processes advanced on CNJ (Datajud API Pública)
Execute an advanced Elasticsearch query against the Datajud API
Search processes by class and organ on CNJ (Datajud API Pública)
Search processes by Procedural Class and Court Organ
Connect CNJ (Datajud API Pública) to Mastra AI via MCP
Follow these steps to wire CNJ (Datajud API Pública) into Mastra AI. The entire setup takes under two minutes — your credentials stay safe behind Vinkius.
Install dependencies
npm install @mastra/core @mastra/mcp @ai-sdk/openaiReplace the token
[YOUR_TOKEN_HERE] with your Vinkius tokenRun the agent
agent.ts and run with npx tsx agent.tsExplore tools
Why Use Mastra AI with the CNJ (Datajud API Pública) MCP Server
Mastra AI provides unique advantages when paired with CNJ (Datajud API Pública) through the Model Context Protocol.
Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure. add CNJ (Datajud API Pública) without touching business code
Built-in workflow engine chains MCP tool calls with conditional logic, retries, and parallel execution for complex automation
TypeScript-native: full type inference for every CNJ (Datajud API Pública) tool response with IDE autocomplete and compile-time checks
One-command deployment to any Node.js host. Vercel, Railway, Fly.io, or your own infrastructure
CNJ (Datajud API Pública) + Mastra AI Use Cases
Practical scenarios where Mastra AI combined with the CNJ (Datajud API Pública) MCP Server delivers measurable value.
Automated workflows: build multi-step agents that query CNJ (Datajud API Pública), process results, and trigger downstream actions in a typed pipeline
SaaS integrations: embed CNJ (Datajud API Pública) as a first-class tool in your product's AI features with Mastra's clean agent API
Background jobs: schedule Mastra agents to query CNJ (Datajud API Pública) on a cron and store results in your database automatically
Multi-agent systems: create specialist agents that collaborate using CNJ (Datajud API Pública) tools alongside other MCP servers
Example Prompts for CNJ (Datajud API Pública) in Mastra AI
Ready-to-use prompts you can give your Mastra AI agent to start working with CNJ (Datajud API Pública) immediately.
"Search for process number 50012345620234036100 in the TRF3 public API."
"List 5 processes from TJDFT with class code 1116 and organ code 12345."
"Run an advanced search in TST for processes moved in the last 7 days."
Troubleshooting CNJ (Datajud API Pública) MCP Server with Mastra AI
Common issues when connecting CNJ (Datajud API Pública) to Mastra AI through Vinkius, and how to resolve them.
createMCPClient not exported
npm install @mastra/mcpCNJ (Datajud API Pública) + Mastra AI FAQ
Common questions about integrating CNJ (Datajud API Pública) MCP Server with Mastra AI.
How does Mastra AI connect to MCP servers?
MCPClient with the server URL and pass it to your agent. Mastra discovers all tools and makes them available with full TypeScript types.Can Mastra agents use tools from multiple servers?
Does Mastra support workflow orchestration?
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