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The open-source AI agent control plane: MCP firewall, model gateway with budgets, human approvals, runtime observability, and audit trails

40 starsPython

Preloop: Open-source control plane for AI agents. See, govern, cut cost

by dim0r·Jul 28, 2026·1 point·1 comment

AI Analysis

●●●BangerSolve My ProblemBold Bet

MCP firewall and model gateway combo solves the real enterprise governance gap.

Strengths
  • MCP firewall intercepts tool calls to enforce policy before agents execute actions.
  • Unified model gateway handles cost budgets, safety filters, and attribution tracking.
  • CLI automatically discovers and onboards existing local agents like Cursor and Codex.
Weaknesses
  • Self-hosting complexity may deter small teams without dedicated DevOps resources.
  • Relies on agent ecosystem adoption of MCP protocol for full firewall effectiveness.
Category
Target Audience

Engineering teams deploying governed AI agents in production

Similar To

Helicone · Portkey · LangSmith

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