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cnpj-mcp
Read-only analytics over Brazil's Receita Federal open CNPJ company registry using DuckDB and Parquet. Search and count companies, inspect partner links and check the loaded snapshot date; contact-quality scores estimate registry data quality, not actual responsiveness. Self-hosted ingestion downloads multi-gigabyte public datasets. Repository created October 8, 2026.
MCP unverified
Integration
| Transport | stdio |
| Auth | none |
| Endpoint | CNPJ_DATA_DIR=./data cnpj-mcp |
| Install | Install cnpj-mcp with its ingest extras in an isolated Python environment, ingest and build a dated Receita snapshot with adequate disk space, and run cnpj-mcp as stdio with CNPJ_DATA_DIR |
Use Cases
| 01 | Count firms by state and industry |
| 02 | Inspect public registry partners |
| 03 | Check the underlying dataset month before analysis |
Tags
brazil cnpj open-data duckdb company-registry
Machine-readable: /api/servers.json
· JSON-LD schema embedded in <head>