{"id":"oitc-modbus-server","name":"modbus-server","af_score":18.2,"security_score":19.0,"reliability_score":17.5,"what_it_does":"Provides a Modbus server implementation (speaking the Modbus protocol) to expose holding/input registers (and related Modbus data models) to Modbus clients.","best_when":"You need a lightweight Modbus TCP server for LAN/industrial network integration or for simulating/modelling register maps for Modbus clients.","avoid_when":"You need strong application-layer security (authentication/authorization) or you cannot control network exposure; Modbus commonly lacks inherent security features beyond what the surrounding network provides.","last_evaluated":"2026-04-04T19:38:13.243649+00:00","has_mcp":false,"has_api":false,"auth_methods":[],"has_free_tier":false,"known_gotchas":["Protocol-level operations (Modbus reads/writes) are not naturally idempotent; agents should avoid repeated writes unless operations are explicitly safe.","Modbus deployments are sensitive to timing/register semantics; agents may need to respect polling intervals and register mapping details."],"error_quality":0.0}