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Alternatives

Products that do what agentrial does

Run your AI agent 20x. Get confidence intervals, not vibes.

  1. 1
    AgentX523

    Evaluate AI agent, pinpoint issues, and fix with one click.

    Jun 2026 · agentx.so

  2. 2
    Fabraix196

    Find gaps in your AI agents before users do

    May 2026 · fabraix.com

  3. 3

    Your coding agent’s testing buddy

    18d ago · checksum.ai

  4. 4

    Validate every PR with AI that runs tests for you

    Apr 2026 · qa.tech

  5. 5

    An open benchmark for AI agents that test APIs

    May 2026 · resources.kusho.ai

  6. 6
    Cyris98

    Turns every AI decision into audit-ready evidence

    Apr 2026 · cyrisai.dev

  7. 72C

    Single-agent LLMs suck at long-running complex tasks. We’ve open-sourced a multi-agent orchestrator that we’ve been using to handle long-running LLM tasks. We found that single LLM agents tend to stall, loop, or generate non-compiling code, so we built a harness for agents to coordinate over shared context while work is in progress. How it works: 1. Orchestrator agent that manages task decomposition 2. Sub-agents for parallel work 3. Subscriptions to task state and progress 4. Real-time sharing of intermediate discoveries between agents We tested this on a Putnam-level math problem, but the…

    Feb 2026 · github.com

  8. 8DA

    Write a task in plain English. An AI agent runs it on a simulator on your Mac and tells you if a real user could complete it. Save the successful run as a regression check you can replay later.

    23d ago · app.deltix.ai

  9. 9

    Ask your Playwright tests why they failed

    Apr 2026 · testrelic.ai

  10. 10
    Tracea80

    Datadog for AI agents with traces, RCA, and team memory

    May 2026 · tracea.dev

  11. 11

    Validate agent-generated code before it ever reaches CI

    May 2026 · circleci.com

  12. 12
    Retrace101

    Debug AI agents by replaying and forking runs

    Jul 2026 · retraceai.tech

  13. 13
    klanex4

    Reliability layer for AI agent tool calls

    26d ago · klanexai.com

  14. 14AB

    Hi there, HN! We’re Jai and Sanket from DeepSource (YC W20), and today we’re launching Autofix Bot, a hybrid static analysis + AI agent purpose-built for in-the-loop use with AI coding agents. AI coding agents have made code generation nearly free, and they’ve shifted the bottleneck to code review. Static-only analysis with a fixed set of checkers isn’t enough. LLM-only review has several limitations: non-deterministic across runs, low recall on security issues, expensive at scale, and a tendency to get ‘distracted’. We spent the last 6 years building a deterministic, static-analysis-only…

    Dec 2025

  15. 15IS

    Hey HN! For that last 8 months I've been trying to make agents that can hack web applications to find vulnerabilities in them - An AI Security Tester. The system has 29 agents in total, a custom LLM Orchestration framework which works on the task-subtask architecture (old-school but works amazingly for my use case, and is pretty reliable) with custom agent calling mechanism. No Auo-Gen, Langchain and Crew AI - Everything custom built for pentesting. Each test runs in an isolated Kali linux environment (on AWS Fargate), where the agents have full access to the environment to undertake any…

    2025

  16. 16
    Avery16

    Create a deterministic agent that runs on your hardware

    Jul 2026 · avery.software

  17. 17
    cngx10

    Catch AI agents that claim tests passed when they didn't

    Jul 2026 · github.com

  18. 18

    Run the scientific method on your LLM agent

    May 2026 · github.com

  19. 19KA

    I built this because Cursor, Claude Code and other agentic AI tools kept giving me tests that looked fine but failed when I ran them. Or worse - I'd ask the agent to run them and it would start looping: fix tests, those fail, then it starts "fixing" my code so tests pass, or just deletes assertions so they "pass". Out of that frustration I built KeelTest - a VS Code extension that generates pytest tests and executes them, got hooked and decided to push this project forward... When tests fail, it tries to figure out why: - Generation error: Attemps to fix it automatically, then tries again -…

    Jan 2026 · keelcode.dev

  20. 20

    Debug everything your AI Agent does, locally

    Feb 2026 · github.com

  21. 21
    Ledda9

    See what your AI agents are actually doing in production

    Mar 2026 · ledda.ai

  22. 22

    Deterministic offline release evidence for AI agents

    Jul 2026 · iisacc-justmoong.github.io

  23. 23LC

    Prompt instructions like 'never do X' don't hold up in production. LLMs ignore them when context gets long or users push hard. Limits sits between your agent and the real world. Every action — database writes, API calls, refunds — gets intercepted and checked against your rules before it executes. Deterministically. No LLM involved in enforcement. Three modes: Conditions: hard rules on structured data Guideance: validate LLM output before it reaches the user and give the agent chance to reason and retry Guardrails: scan for PII, toxicity, prompt injection etc One line to integrate: npm…

    Feb 2026 · limits.dev

  24. 24

    A runtime behavioral probing framework for LLM agents

    Jul 2026 · github.com

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