{"name":"Doberman","tagline":"Runtime guard dog for AI coding agents that blocks unsafe tool calls before they execute.","url":"https://github.com/fu351/Doberman-Core","category":"agents","pricing":"free","price_note":"Apache-2.0 open source core; enterprise platform on roadmap","free_tier":true,"open_source":true,"api":true,"self_host":true,"verdict":"situational","verdict_text":"Sits on the MCP execution path and gives every tool call a PASS, AUTH, or BLOCK verdict, stopping destructive commands, secret exfiltration, and prompt-injection-driven actions. It fails closed and logs redacted decisions. The project is early but already ships CI-proven parity matrices and a plugin API for custom guardrails.","limitations":["Some host integrations are still experimental or manual to wire.","Adaptive behavioral features currently run only on the MCP proxy path, not all host hooks.","Static egress parsing can be evaded by runtime-constructed URLs or non-verb channels."],"strengths":["PASS/AUTH/BLOCK verdict on every tool call before it executes.","Fail-closed with redacted decision logs.","CI-proven parity matrices and a plugin API for custom guardrails."],"use_for":["Securing MCP-based coding agents against destructive or exfiltrating calls.","Teams that need an open, auditable guardrail they can self-host."],"skip_when":["Your host integration is still experimental or manual to wire.","You need behavioral guards beyond the MCP proxy path.","Runtime-constructed URLs or non-verb channels would evade static egress parsing."],"receipts":["https://github.com/fu351/Doberman-Core","https://github.com/fu351/Doberman-Core/blob/main/docs/ADAPTER_GUIDE.md"],"affiliate":"none","evidence_tier":"source-verified","momentum":"blueshift","featured":false,"data_sensitivity":{"trains_on_inputs":"unknown","local_processing":true},"last_verified":"2026-08-19","observed_by":"whysanesanders","slug":"doberman","canonical_url":"https://noemium.com/tools/doberman/","attribution":"Noemium catalog data is licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). See https://noemium.com/method/ for how entries are verified."}