@MLflow

The open source developer platform to build AI applications and models with confidence.

San Francisco, CA
Joined August 2018
We compared Jev, TypeSafe’s model for structured decisions, with GPT, Claude, and DeepSeek using MLflow. On 30 human-labeled QA examples, Jev matched the best agreement at lower cost and latency: ✅ 30/30 agreement with human labels ⚡ 369 ms median latency 💰 $0.0247 estimated cost per 1,000 judgments Our new blog walks through building a Jev scorer in MLflow, measuring quality, cost, and latency, and deciding when to use another judge. Try the same comparison on your own dataset. 📖 Full blog: mlflow.org/blog/jev-llm-judg… #MLflow #OpenSource
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A multi-agent app can return 200 OK and still be wrong. Request dashboards miss bad tool calls, empty MCP data, and stale-prompt token burn. In this video, @LegareKerrison (@RedHat) covers MLflow tracing, LLM-as-judge evals, and production setup. 🎥 Watch: youtube.com/watch?v=iZX6d0Od… #MLflow #LLMOps
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Use the MLflow MCP server to query tracking data from code or an assistant. 👇 🔹 Async Python FastMCP client, scoped to genai or traditional ml tools 🔹 Configure Claude, VS Code, or Cursor, then ask in plain English 🔹 ~20–30 read/write tools; runs locally or next to tracking Watch the full tutorial: youtu.be/E0tFK9Ah22I #MLflow #MCP #GenAI
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The trace explorer in MLflow 3.16.0 has been rebuilt from the ground up and is now the default traces experience. 🔹 Traces table: Tighter row density, a cleaner header, and smoother navigation 🔹 Span-tree explorer: Redesigned for faster drill-down 🔹 Custom columns: Reorder columns and add fields backed by any trace tag or metadata 🔹 Session grouping: Multi-turn conversations folded into the traces view alongside your other traces Learn more in MLflow 3.16.0: mlflow.org/releases/3.16.0/ #MLflow #GenAI #LLMOps #OpenSource
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2 weeks until Open Lakehouse + AI Meetup in Paris 🇫🇷 Building with MLflow? Don't miss @omnigent_ai: A Meta Harness for AI Agents. Aravind Segu and Edwin He will show how to capture @opentelemetry traces for observability in MLflow across multi-harness agent workflows. 🗓️ Sept 23 | 6–9:30 PM CEST 📍 La Fondation 👉 RSVP: usergroups.databricks.com/ev… #MLflow #AIAgents #Paris
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Reminder: MLflow 3.16 deep dive is tomorrow 👇 We'll cover: 🔹 Trace UI/UX Overhaul 🔹 Custom trace view via A2UI 🔹 MCP Registry 🔹 Trace analysis & automatic agent improvement flywheel 📅 Wednesday, Sept 9 🕓 4:00 PM PT 🎟️ RSVP: luma.com/jwvjuz71 #mlflow #opensource #oss #llmops
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Custom Trace Views in MLflow 3.16.0 👇 Describe a layout in plain English; Assistant builds it. No config files or custom code. Save and reuse views per experiment so the team shares the same lens. 🔗 3.16.0 release notes: mlflow.org/releases/3.16.0/ #MLflow #GenAI #LLMOps
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A workflow can move from Cursor to Claude Code to Pi to Codex by copy-pasting prompts and outputs. Each harness logs differently, which leaves a hole when you try to debug, audit, or trust the run.👇 This blog shows how @omnigent_ai unifies that interface and sends standardized traces to MLflow: agent turns, tool calls, per-turn tokens, and session metadata, with no app code changes. 🔗 mlflow.org/blog/omnigent-mlf… #MLflow #Omnigent
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MLflow 3.16.0 is now available! 🎉 Major new features include: 🎨 Custom Trace Views: describe a layout in plain English; Assistant builds it (no config files or custom code) 🔭 Redesigned traces now default: denser rows, cleaner nav, redesigned span tree, custom columns, session grouping 🔗 Span Links: record span relationships in the SDK; Links tab jumps to the destination span Check out the release notes for more 👉 github.com/mlflow/mlflow/rel… #MLflow #GenAI #LLMOps #OpenSource
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📣 3 weeks until Open Lakehouse + AI Meetup in Paris 🇫🇷 Join the open source and AI communities for technical talks, networking, and light bites. 🎉 Building with MLflow? Don't miss @omnigent_ai: A Meta Harness for AI Agents. Aravind Segu and Edwin He will show how to capture @opentelemetry traces for observability in MLflow across multi-harness agent workflows. Also on the agenda: @unitycatalog_io data architectures and @huggingface on deploying AI agents at scale. 🗓️ Sept 23 | 6–9:30 PM CEST | Paris 👉 RSVP: usergroups.databricks.com/ev… #MLflow #AIAgents
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MLflow retweeted
📣 Hey Paris: Join us on Sept 23 for the next Open Lakehouse + AI meetup! Aravind Segu and Edwin He will cover why to use a meta-harness: collaborate on your work, exercise control, and choose your coding agent harnesses. The talk includes a demo of Omnigent’s workflow, including @opentelemetry traces in tools like @MLflow. 🗓️ Wed, Sept 23 | 6:00–9:30 PM GMT+2 📍 La Fondation, Paris 🎟️ Register: usergroups.databricks.com/ev… #Paris #Omnigent #OpenSource
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When an agent answers, traditional monitoring can still treat the workflow as a black box. You know the API returned in 5 seconds, not which tool ran or what the model saw. This @RedHat blog shows how MLflow connects that answer to the model calls, tools, and context behind it, including on Red Hat OpenShift AI. 👉 Read more: developers.redhat.com/articl… #MLflow #AIObservability
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Jules Damji (@databricks) walks through what breaks when you switch coding harnesses: sharing context, carrying policies, and seeing whether the agents did the right thing. @omnigent_ai sits on top as a meta-harness; session-scoped traces go to MLflow. 📽️ Watch the tutorial: youtu.be/vvJTyd-egsY #Omnigent #MLflow #OpenSource @2twitme
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3 weeks out: Open Lakehouse + AI Meetup is coming to Paris! 🇫🇷 Agenda: 🔹 @unitycatalog_io (You Can Go Your Own Way....Go Your Own Way) 🔹 @omnigent_ai — A Meta Harness for AI Agents 🔹 AI Agents at Every Scale: Personal, Team, and Data Workflows Then networking, light bites & swag. 📅 Wed, Sept 23 | 6:00–9:30 PM CEST 📍 La Fondation | Paris, FR 🎟️Register: usergroups.databricks.com/ev… #OpenLakehouse #AI
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Most teams iterate on agents by trying a question, fixing what looks wrong, and repeating. Each issue gets fixed once, then a later change quietly brings it back. At AGNTCon + MCPCon North America, MLflow core maintainer Yuki Watanabe (Tech Lead, @databricks) treats every quality issue as a regression test: a suite scored automatically, so regressions show up before production. The loop in MLflow: failing trace → a suite that grows with the agent. 🗓️ Thursday, Oct 22 | 12:40–1:05 PM PDT 📍 San Jose McEnery Convention Center 🔗 events.linuxfoundation.org/a… #MLflow #AGNTCon #MCPCon #AIAgents
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Curious about what’s packed into MLflow 3.16? Join the MLflow Community for a live deep dive into all the latest features, including: 🔹 Trace UI/UX Overhaul 🔹 Custom trace view via A2UI 🔹 MCP Registry 🔹 Trace analysis & automatic agent improvement flywheel 🔹 Live Q&A with the team 📅 Wed, Sept 9 🕓 4:00 PM PT RSVP 👉 luma.com/jwvjuz71 #mlflow #opensource #oss
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In this clip from Mastering MLflow for GenAI (Notebook 1.7), @2twitme covers MLflow’s built-in scorers (about 60+), including relevance to the query, correctness, and guidelines. Full tutorial 👉 youtube.com/watch?v=WvTqW6gr… Notebook 👉 github.com/dmatrix/mlflow-ge… #MLflow #GenAI #LLMOps
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Prompt optimization with DSPy and MLflow 👇 MLflow Ambassador Azad Djan builds a PubMedQA classifier in three lines of DSPy, lets MIPROv2 search the instructions and demos, and logs per-class F1 and full prediction tables in MLflow. The optimizer beat DSPy's own zero-shot prompt. A careful hand-written prompt is a closer call. And what actually improved was hedging less often, not reading abstracts better. Learn more: azaddjan.com/2026/08/20/dont… #MLflow #DSPy #LLMOps
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