Chapter IV
Work & Proof
Selected products and cases
Selected products and cases — not a list of repositories.
Main product · MCP server
Activesenior-mcp
Brazilian HR, payroll and ERP knowledge for AI agents.
428,505 chunks from Senior's public sources · counted on 2026-10-07
Indexing and retrieval architecture
AI + regulatory geometry
Live · early stageTraço Urbano
Legal residential design, fail-closed — pilot in Cafelândia-PR.
Geometric engine validates zoning, FAR, setbacks, permeable area
Geometric engine architecture
Local-first product
Open sourceMDRecord
Local audio memory, hybrid search — +23% over pure FTS.
Hybrid search nDCG@10 0.747 vs 0.606 pure FTS (+23%)
Product author
Open source · applied research
Open sourceground-first
The skill that makes models state what they understood — 648 calls.
Benchmark with 648 calls (36 cases × 3 rounds × 6 vendors)
Author and researcher