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agentguard47

Your AI agent just burned $200. AgentGuard stops it at $5. Runtime cost guardrails for AI agents — budget enforcement, loop detection, kill switch. Zero dependencies, MIT licensed.

veronica-core

Runtime containment kernel for LLM agents. Enforces budget, step, retry, and circuit-breaker limits before the model call.

veloryn

Execution Constraint Engine (ECE) is a runtime decision layer for multi-step LLM workflows. ECE (v1) focuses on cost constraints, acting as a guardrail for unbounded execution in loops, agents, and multi-step systems. It evaluates projected cost before each step and stops execution before exceeding a defined budget.

runcycles

Python SDK for Cycles — reserve, commit, release budget and risk for AI agents

shekel

LLM budget control and cost governance for AI agents. Python library for token budgets, usage limits and guardrails for OpenAI, Anthropic, LangChain, LangGraph and agentic systems.

magicrails

🛑 Emergency brake for AI agents. Hard budget caps, loop detection, and state-stasis guards in 3 lines of Python. Stops runaway agents before the $500 overnight invoice.

langchain-kavachos

The kill-switch between your AI agents and your credit card. Agentic spend governance for Claude Code, OpenAI Codex, and any JSONL-logging agent.

crewai-kavachos

The kill-switch between your AI agents and your credit card. Agentic spend governance for Claude Code, OpenAI Codex, and any JSONL-logging agent.

costcutter

A kill-switch for AWS that automatically deletes resources when spending limits are breached.

runcycles-openai-agents

Cycles budget and tool governance for OpenAI Agents SDK — per-tenant budgets, tool estimates, and audit trails

enzu

Budgeted LLM runs with hard caps + typed outcomes + async job mode. Python/CLI/HTTP. OpenAI-compatible.

tokvigil

Python SDK for TokVigil - AI usage control platform