The full upstream README, mirrored here for reference. Install config, tool schemas, adoption signals, and an original overview live on the Simpson Strong Tie Agent listing page.
Agent-to-Agent MCP + REST Service — No Human UI
Complete Simpson Strong-Tie structural connector catalog (C-C-2024) exposed as a headless service. Agents call it, agents pay for it, agents get engineering answers.
| Endpoint | Protocol | Description |
|---|---|---|
POST /mcp | JSON-RPC 2.0 | MCP tool interface (9 tools) |
/v1/api/* | REST | Direct HTTP endpoints |
/health | GET | Service health (free) |
/.well-known/simpson-agent.json | GET | Agent discovery (free) |
/.well-known/hive-payments.json | GET | Payment pricing (free) |
| Tool | Description | Price |
|---|---|---|
simpson_product_lookup | Search 35+ families, 400+ models | $0.01 |
simpson_check_load | Verify connector meets required load (ASD) | $0.02 |
simpson_size_holdown | Size holdown for uplift requirements | $0.03 |
simpson_select_hurricane_tie | Match hurricane tie to uplift/lateral | $0.02 |
simpson_classify_sdc | ASCE 7-22 Seismic Design Category classifier | $0.03 |
simpson_corrosion_advisor | Coating selection for environment/lumber | $0.01 |
simpson_products_by_application | Filter by construction application | $0.01 |
simpson_code_reference | Code section → product mapping | $0.01 |
simpson_catalog_stats | Catalog summary statistics | Free |
x402 protocol — USDC on Base L2. Include X-Payment-Hash header with transaction hash after sending payment.
Internal Hive services: use X-API-Key header.
Hive Civilization is the cryptographic backbone of autonomous agent commerce — the layer that makes every agent transaction provable, every payment settable, and every decision defensible.
This repository is part of the PROVABLE · SETTABLE · DEFENSIBLE pillar.