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Add TruLens and Guardrails AI third-party scorer documentation#21034

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smoorjani merged 8 commits intomlflow:masterfrom
smoorjani:doc-3p-scorers
Feb 24, 2026
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Add TruLens and Guardrails AI third-party scorer documentation#21034
smoorjani merged 8 commits intomlflow:masterfrom
smoorjani:doc-3p-scorers

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@smoorjani smoorjani commented Feb 20, 2026

Related Issues/PRs

#xxx

What changes are proposed in this pull request?

As titled.

How is this PR tested?

  • Existing unit/integration tests
  • New unit/integration tests
  • Manual tests

Does this PR require documentation update?

  • No. You can skip the rest of this section.
  • Yes. I've updated:
    • Examples
    • API references
    • Instructions

Does this PR require updating the MLflow Skills repository?

  • No. You can skip the rest of this section.
  • Yes. Please link the corresponding PR or explain how you plan to update it.

Release Notes

Is this a user-facing change?

  • No. You can skip the rest of this section.
  • Yes. Give a description of this change to be included in the release notes for MLflow users.

What component(s), interfaces, languages, and integrations does this PR affect?

Components

  • area/tracking: Tracking Service, tracking client APIs, autologging
  • area/models: MLmodel format, model serialization/deserialization, flavors
  • area/model-registry: Model Registry service, APIs, and the fluent client calls for Model Registry
  • area/scoring: MLflow Model server, model deployment tools, Spark UDFs
  • area/evaluation: MLflow model evaluation features, evaluation metrics, and evaluation workflows
  • area/gateway: MLflow AI Gateway client APIs, server, and third-party integrations
  • area/prompts: MLflow prompt engineering features, prompt templates, and prompt management
  • area/tracing: MLflow Tracing features, tracing APIs, and LLM tracing functionality
  • area/projects: MLproject format, project running backends
  • area/uiux: Front-end, user experience, plotting, JavaScript, JavaScript dev server
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How should the PR be classified in the release notes? Choose one:

  • rn/none - No description will be included. The PR will be mentioned only by the PR number in the "Small Bugfixes and Documentation Updates" section
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  • rn/feature - A new user-facing feature worth mentioning in the release notes
  • rn/bug-fix - A user-facing bug fix worth mentioning in the release notes
  • rn/documentation - A user-facing documentation change worth mentioning in the release notes

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@smoorjani @claude
Add TruLens and Guardrails AI third-party scorer documentation
b8a51f3 
Co-Authored-By: Claude <noreply@anthropic.com>
Signed-off-by: Samraj Moorjani <samraj.moorjani@databricks.com>
@github-actions github-actions bot added the size/L Large PR (200-499 LoC) label Feb 20, 2026
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github-actions bot commented Feb 20, 2026

🛠 DevTools 🛠

Install mlflow from this PR

# mlflow
pip install git+https://github.com/mlflow/mlflow.git@refs/pull/21034/merge
# mlflow-skinny
pip install git+https://github.com/mlflow/mlflow.git@refs/pull/21034/merge#subdirectory=libs/skinny

For Databricks, use the following command:

%sh curl -LsSf https://raw.githubusercontent.com/mlflow/mlflow/HEAD/dev/install-skinny.sh | sh -s pull/21034/merge

@github-actions github-actions bot added area/docs Documentation issues rn/none List under Small Changes in Changelogs. v3.10.1 labels Feb 20, 2026
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Documentation preview for 374810b is available at:

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smoorjani and others added 2 commits February 20, 2026 13:09
@smoorjani @claude
Add smoke tests for TruLens and Guardrails AI scorers, use gpt-5-mini…
eabcc92 
… in docs

Co-Authored-By: Claude <noreply@anthropic.com>
Signed-off-by: Samraj Moorjani <samraj.moorjani@databricks.com>
@smoorjani @claude
Fix lint: ruff line length, blacken-docs, and prettier formatting
df0eef9 
Co-Authored-By: Claude <noreply@anthropic.com>
Signed-off-by: Samraj Moorjani <samraj.moorjani@databricks.com>
SomtochiUmeh
SomtochiUmeh reviewed Feb 24, 2026
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SomtochiUmeh
SomtochiUmeh reviewed Feb 24, 2026
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docs/docs/genai/eval-monitor/scorers/third-party/trulens.mdx

| Scorer | What does it evaluate? | TruLens Docs |
| -------------------------------------------------------------------------------------- | ----------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------ |
| <APILink fn="mlflow.genai.scorers.trulens.Groundedness">Groundedness</APILink> | Is the response grounded in the provided context? | [Link](https://www.trulens.org/reference/trulens/feedback/#trulens.feedback.LLMProvider.groundedness_measure_with_cot_reasons) |
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mlflow.genai.scorers.trulens scorers are not in the api page for some reason. Same with arize phoenix and guardrails scorers. Only deepeval and ragas scorers are there. Do you know why this is

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Could it be related to namespacing?

smoorjani and others added 4 commits February 23, 2026 17:31
@smoorjani @claude
Add autodoc directives for Phoenix, TruLens, and Guardrails AI scorers
2d6306c 
Co-Authored-By: Claude <noreply@anthropic.com>
Signed-off-by: Samraj Moorjani <samraj.moorjani@databricks.com>
@smoorjani @claude
Address PR review: add sidebar entries and tab view for Quick Start
f71c429 
Co-Authored-By: Claude <noreply@anthropic.com>
Signed-off-by: Samraj Moorjani <samraj.moorjani@databricks.com>
@smoorjani @claude
Fix Sphinx doc build warnings in Phoenix scorer docstrings
9359a3d 
Add required blank lines after `.. code-block:: python` directives
in module and class docstrings to fix Sphinx -W build failures.

Co-Authored-By: Claude <noreply@anthropic.com>
Signed-off-by: Samraj Moorjani <samraj.moorjani@databricks.com>
@smoorjani @claude
Update API inventory with phoenix, trulens, and guardrails scorers
ee8dc4c 
Co-Authored-By: Claude <noreply@anthropic.com>
Signed-off-by: Samraj Moorjani <samraj.moorjani@databricks.com>
SomtochiUmeh
SomtochiUmeh approved these changes Feb 24, 2026
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Thanks for adding these in!

@smoorjani smoorjani enabled auto-merge February 24, 2026 17:47
@smoorjani smoorjani added this pull request to the merge queue Feb 24, 2026
Merged via the queue into mlflow:master with commit 352a774 Feb 24, 2026
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@smoorjani smoorjani deleted the doc-3p-scorers branch February 24, 2026 20:52
@github-actions github-actions bot added size/XL Extra-large PR (500+ LoC) and removed size/L Large PR (200-499 LoC) labels Feb 24, 2026
@smoorjani smoorjani mentioned this pull request Feb 25, 2026
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smoorjani added a commit to smoorjani/mlflow that referenced this pull request Feb 26, 2026
@smoorjani @claude
Add TruLens and Guardrails AI third-party scorer documentation (mlflo…
b57aee4 
…w#21034)

Signed-off-by: Samraj Moorjani <samraj.moorjani@databricks.com>
Co-authored-by: Claude <noreply@anthropic.com>
Signed-off-by: Samraj Moorjani <samraj.moorjani@databricks.com>
daniellok-db pushed a commit to daniellok-db/mlflow that referenced this pull request Mar 5, 2026
@smoorjani @claude @daniellok-db
Add TruLens and Guardrails AI third-party scorer documentation (mlflo…
b030aeb 
…w#21034)

Signed-off-by: Samraj Moorjani <samraj.moorjani@databricks.com>
Co-authored-by: Claude <noreply@anthropic.com>
daniellok-db pushed a commit to daniellok-db/mlflow that referenced this pull request Mar 5, 2026
@smoorjani @claude @daniellok-db
Add TruLens and Guardrails AI third-party scorer documentation (mlflo…
a5844a8 
…w#21034)

Signed-off-by: Samraj Moorjani <samraj.moorjani@databricks.com>
Co-authored-by: Claude <noreply@anthropic.com>
daniellok-db pushed a commit that referenced this pull request Mar 5, 2026
@smoorjani @claude @daniellok-db
Add TruLens and Guardrails AI third-party scorer documentation (#21034)
96cff8f 
Signed-off-by: Samraj Moorjani <samraj.moorjani@databricks.com>
Co-authored-by: Claude <noreply@anthropic.com>
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