CNJ (Datajud API Pública) MCP Server for Claude DesktopGive Claude Desktop instant access to 3 tools to Search Process By Number, Search Processes Advanced, Search Processes By Class And Organ
Claude Desktop is Anthropic's native application for interacting with Claude AI models on macOS and Windows. It was the first consumer application to ship with built-in MCP support, making it the reference implementation for the Model Context Protocol standard.
Ask AI about this MCP Server for Claude Desktop
The CNJ (Datajud API Pública) MCP Server for Claude Desktop 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
{
"mcpServers": {
"cnj-datajud-api-publica": {
// Your Vinkius token. get it at cloud.vinkius.com
"url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
}
}
}Vinkius Desktop App
The modern way to manage MCP Servers — no config files, no terminal commands. Install CNJ (Datajud API Pública) and 4,000+ MCP Servers from a single visual interface.





* 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.
Claude Desktop is the definitive way to connect CNJ (Datajud API Pública) to your AI workflow. Add Vinkius Edge URL to your config, restart the app, and Claude immediately exposes all 3 tools in the chat interface. ask a question, Claude calls the right tool, and you see the answer. Zero code, zero context switching.
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 Claude Desktop 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 Claude Desktop
When Claude Desktop 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 Claude Desktop via MCP
Follow these steps to wire CNJ (Datajud API Pública) into Claude Desktop. The entire setup takes under two minutes — your credentials stay safe behind Vinkius.
Open Claude Desktop Settings
claude_desktop_config.jsonAdd the MCP Server
mcpServers sectionRestart Claude Desktop
Start using CNJ (Datajud API Pública)
Why Use Claude Desktop with the CNJ (Datajud API Pública) MCP Server
Claude Desktop by Anthropic provides unique advantages when paired with CNJ (Datajud API Pública) through the Model Context Protocol.
Claude Desktop is the reference MCP client. it was designed alongside the protocol itself, ensuring the most complete and stable MCP implementation available
Zero-code configuration: add a server URL to a JSON file and Claude instantly discovers and exposes all available tools in the chat interface
Claude's extended thinking capability lets it reason through multi-step tool usage, chaining multiple API calls to answer complex questions
Enterprise-grade security with local config storage. your tokens never leave your machine, and connections go directly to Vinkius Edge network
CNJ (Datajud API Pública) + Claude Desktop Use Cases
Practical scenarios where Claude Desktop combined with the CNJ (Datajud API Pública) MCP Server delivers measurable value.
Interactive data exploration: ask Claude to query DNS records, look up WHOIS data, and cross-reference results in a single conversation
Ad-hoc security audits: type a domain name and let Claude enumerate subdomains, check DNS history, and flag configuration anomalies. all through natural language
Executive briefings: generate comprehensive domain intelligence reports by asking Claude to compile findings into a formatted summary
Learning and training: new team members can explore API capabilities conversationally without needing to read documentation
Example Prompts for CNJ (Datajud API Pública) in Claude Desktop
Ready-to-use prompts you can give your Claude Desktop 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 Claude Desktop
Common issues when connecting CNJ (Datajud API Pública) to Claude Desktop through Vinkius, and how to resolve them.
Server not appearing after restart
~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\\Claude\\ (Windows).Authentication error
Tools not showing in chat
CNJ (Datajud API Pública) + Claude Desktop FAQ
Common questions about integrating CNJ (Datajud API Pública) MCP Server with Claude Desktop.
How does Claude Desktop discover MCP tools?
claude_desktop_config.json file and connects to each configured MCP server. It calls the tools/list endpoint to fetch the schema for every available tool, then surfaces them as clickable options in the chat interface via the 🔌 icon.What happens if the MCP server is temporarily unavailable?
Can I connect multiple MCP servers simultaneously?
mcpServers section of the config file. Each server appears as a separate tool provider, and Claude can use tools from multiple servers in a single conversation turn.Is there a limit on the number of tools per server?
Does Claude Desktop support Streamable HTTP transport?
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