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Alternatives

Products that do what Weir - unit test for your AI agent does

Deterministic tests for AI agents — no LLM required

  1. 1

    Weir - unit tests for your agents. Contribute to IdoGol24/weir development by creating an account on GitHub.

    9d ago · github.com

  2. 2

    Trace LLM requests + costs with OpenTelemetry monitoring

    Oct 2025

  3. 3

    First AI agent for deep website monitoring

    2025

  4. 4

    Improve your LLM apps with open-source observability tool

    2024

  5. 5
    TraceLLM100

    OpenTelemetry for production AI applications

    Jul 2026 · tracellm.in

  6. 6

    Trace, evaluate, and improve AI agents in production

    Aug 2026 · telerik.com

  7. 7
    AskCodi230

    Custom LLMs, without training. Use via openai compatible api

    Nov 2025

  8. 8
    Retrace101

    Debug AI agents by replaying and forking runs

    Jul 2026 · retraceai.tech

  9. 9OA

    Hi HN, we're Kiran and Vijay! Over the past two years, we have built a columnar storage engine for observability: logs, metrics, and traces. Today, it's exciting for us to show what we've built on top of that foundation: LLM Agent Observability. Given how non-deterministic agents are, storing all traces without sampling was critical for us. But these traces tend to be in the MBs, sometimes GBs - we needed to store them inexpensively. We also needed the queries and analyses to be fast. To meet both these goals, we store them in S3 in our own parquet-like file format, and query them using AWS…

    Jul 2026 · oodle.ai

  10. 10

    Real-time observability dashboard for OpenClaw AI agents

    Feb 2026

  11. 11
    Foglamp101

    Ship AI agents you can actually see

    Jun 2026 · foglamp.dev

  12. 12
    Taylor AI118

    Fine-tune open source LLMs in minutes

    2023

  13. 13

    The modern standard in AML compliance through AI agents

    2023

  14. 14

    Your site scores X/100 for AI agents with next steps

    May 2026

  15. 15
    Tracea80

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

    May 2026

  16. 16
    Qwarm73

    Write tests in plain English AI agents run them in browsers

    Feb 2026

  17. 17

    The AI agent for synthetic data generation

    Nov 2025

  18. 18
    Trails81

    Automated insights from LLM agent runs

    Jan 2026

  19. 19WI

    At Laminar (https://github.com/lmnr-ai/lmnr) we're building open source AI observability platform in Rust. We obsess over instrumentation DX for our Python and TS SDKs and in this new blog we outline how we made the most seamless way of instrumenting recently released claude agent sdk

    Dec 2025 · laminar.sh

  20. 20

    Unofficial Grafana Agent Observability plugin for Hermes Agent - alexander-akhmetov/grafana-agento11y-hermes

    21d ago · github.com

  21. 21

    Test AI agent workflows without ML expertise

    Jul 2026 · argminai.com

  22. 22OS

    Hi HN, Matvey, Ildar, Joey, and Dominik here. If you're building LLM agents that use tools, you're probably worried about prompt injection attacks that can hijack those tools. We were too, and found that solutions like prompt-based filtering or secondary "guard" LLMs can be unreliable. Our thesis is that agent security should be handled at the network level between the agent and the LLM, just like a traditional web application firewall. So we built Archestra Platform: an open-source gateway that acts as a secure proxy for your AI agents. It's designed to be a deterministic firewall against…

    Oct 2025 · archestra.ai

  23. 23AU

    Agentpanel is an observability platform for optimizing the control flow, performance, token usage, and correctness of LLM/AI agents! Built-in @rustlang, the first release of Agent Panel currently features an AI gateway that provides seamless access to 100+ LLMs across 20+ platforms, including OpenAI GPT-4o, Gemini 1.5 Pro latest, AnthropicAI Claude 3.5, MistralAI, Cohere, Groq,Perplexity AI, and more.

    2024 · github.com

  24. 24

    Deterministic offline release evidence for AI agents

    Jul 2026 · iisacc-justmoong.github.io

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