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🦑 TruLens
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🚀 Getting Started
🚀 Getting Started
📓 Quickstarts
📓 Quickstarts
📓 TruLens Quickstart
Conversation Evaluation Quickstart
📓 Ground Truth Evaluations
📓 Blocking Guardrails Quickstart
📓 Persist Groundtruth Datasets
📓 Evaluate Streaming Apps
📓 Text to Text Quickstart
📓 Logging Human Feedback
📓 Groundtruth Evaluations for Retrieval Systems
📓 Build and Evaluate a Web Search Agent
⭐ Core Concepts
⭐ Core Concepts
☔ Metrics
⟁ RAG Triad
🏆 Honest, Harmless, Helpful Evals
🎈Viewing Results
🎈Viewing Results
Trends
🗺️ Component Guides
🗺️ Component Guides
Instrumentation
Instrumentation
🦜️🔗 LangChain Integration
🦜️ LangGraph Integration
🦙 LlamaIndex Integration
Client Hooks
MCP
Span Groups
Conversation ID
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Logging
Logging
Postgres
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🎯 Evaluation
🎯 Evaluation
Anatomy of a Metric
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Running with your app
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Generating Test Cases
Generating Test Cases
Generating Test Cases
Migrating to Metric API
Evaluate MLFlow Traces
🏃 Runtime Evaluation
🏃 Runtime Evaluation
In-line Evaluations
Guardrails
Other
Other
Moving from TruLens Eval
Uninstalling TruLens
📚 API Reference
📚 API Reference
providers
providers
📦 OpenAI
📦 OpenAI
endpoint
provider
📦 LiteLLM
📦 LiteLLM
endpoint
provider
orcarouter
orcarouter
provider
📦 Snowflake Cortex
📦 Snowflake Cortex
endpoint
provider
📦 LangChain
📦 LangChain
endpoint
provider
google
google
endpoint
provider
📦 HuggingFace
📦 HuggingFace
endpoint
provider
📦 Amazon Bedrock
📦 Amazon Bedrock
endpoint
provider
anthropic
anthropic
endpoint
provider
ollama
ollama
provider
apps
apps
app
basic
virtual
gepa
gepa
fitness
opencode
opencode
client
cursor
cursor
client
📦 LlamaIndex
📦 LlamaIndex
guardrails
llama
tru_llama
tru_llama_workflow
📦 LangChain
📦 LangChain
guardrails
langchain
tru_chain
📦 NeMo Guardrails
📦 NeMo Guardrails
tru_rails
claude
claude
client
rl
rl
reward
langgraph
langgraph
inline_evaluations
trace_provider
tru_graph
connectors
connectors
📦 Snowflake
📦 Snowflake
connector
otel_exporter
snowflake_event_table_db
sqlalchemy_db
utils
utils
server_side_evaluation_artifacts
server_side_evaluation_stored_procedure
sis_dashboard_artifacts
❌ trulens_eval
core
core
app
batch
dao
dao
default_run
run
database
database
base
connector
connector
base
default
exceptions
legacy
legacy
migration
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migrations
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enums
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feedback
feedback
custom_metric
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feedback_function_input
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selector
guardrails
guardrails
base
instruments
metric
metric
metric
selector
otel
otel
client_hooks
client_hooks
cli
clients
exporting
journal
models
parsers
privacy
runs
service
tracing
worker
function_call_context_manager
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propagation
recording
utils
prompt
run
sampling
schema
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app
base
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groundtruth
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record
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feedback
feedback
computer
dummy
dummy
endpoint
provider
embeddings
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generated
groundtruth
jury
llm_provider
optimize
output_schemas
prompts
schema_validator
templates
templates
agent
base
conversation
quality
rag
safety
v2
v2
feedback
dashboard
dashboard
appui
cli
components
components
record_viewer
record_viewer_otel
constants
display
main
run
streamlit
tabs
tabs
Compare
Leaderboard
Prompts
Records
Trends
utils
utils
dashboard_utils
metadata_utils
notebook_utils
records_utils
sis_utils
streamlit_compat
ux
ux
components
styles
benchmark
benchmark
alignment_report
benchmark_frameworks
benchmark_frameworks
tru_benchmark_experiment
criteria_ab_test
cross_model_alignment
generate
generate
generate_test_set
golden_set_generator
score_distribution
test_cases
🧑🍳 Cookbook
🧑🍳 Cookbook
Frameworks
Frameworks
Gepa
Gepa
GEPA + TruLens: Evolving Prompts with Feedback-Driven Fitness
Langchain
Langchain
LangChain Conversation Evaluation
LangChain Ensemble Retriever
LangChain Quickstart
Multi-agent Data Tasks
LangGraph astream
LangGraph Functional API Quickstart with TruLens
LangGraph Quickstart
TruGraph Tutorial: Instrumenting LangGraph Applications with OTel
Llamaindex
Llamaindex
LlamaIndex Async
Tracing and Evaluating Multi-Agent Systems with TruLens and LlamaIndex AgentWorkflow
GroundTruth evaluation for LlamaIndex applications
LlamaIndex Hybrid Retriever + Reranking + Guardrails
Evaluating Multi-Modal RAG
Query Planning in LlamaIndex
📓 LlamaIndex Quickstart with Otel
Measuring Retrieval Quality
Evaluating Sentence Window RAG
LlamaIndex Stream
Llama-Index Workflows
Mlflow
Mlflow
TruLens Scorers with MLflow
Openai agent sdk
Openai agent sdk
TruLens + OpenAI Agent SDK: Basic Tools Example
Openai agent sdk snowflake tools
Openai agent sdk snowflake tools
Trl
Trl
🤖 RLHF / RLAIF Fine-Tuning with TruLens Metrics & TRL
Logging
Logging
Logging to PostgreSQL
Logging to a Snowflake Cortex AI Gateway
Exporting Traces to New Relic via OTLP
Models
Models
Anthropic
Anthropic
Anthropic Quickstart
Claude 3 Quickstart
Azure
Azure
Azure OpenAI LangChain Quickstart
Azure OpenAI Llama Index Quickstart
Bedrock
Bedrock
AWS Bedrock
Deploy, Fine-tune Foundation Models with AWS Sagemaker, Iterate and Monitor with TruEra
Google
Google
Multimodal Evaluations with Gemini
Google Quickstart
Google Vertex
local and OSS models
local and OSS models
Vectara HHEM Evaluator Quickstart
LiteLLM Quickstart
Local vs Remote HuggingFace Feedback Functions
Ollama Quickstart
OpenAI OSS Models as Judge with TruLens
Openai
Openai
📓 Choosing an OpenAI Judge Model for Your RAG Evals
Snowflake cortex
Snowflake cortex
Cortex Finetuning Experiments
❄️ Snowflake Quickstart with Cortex LLM Functions
Otel genai
Otel genai
Evaluating Recorded Coding Agent Traces
Selecting OTel GenAI Semantic Convention Attributes in TruLens
Span groups
Span groups
Span Groups — Per-Hop Metric Localization
Use cases
Use cases
📓 Context Filters
Evaluating Healthcare Administrative AI with TruLens
Language Verification
Benchmark and Improve an LLM Judge
LLM Jury: Ensemble Evaluation with Multiple Judges
Model Comparison
Moderation
PII Detection
📓 Prompt Management and Version Evaluation
Snowflake Authentication Methods for TruLens
Evaluating Summarization with TruLens
Debugging evaluation results with TruLens Hotspots
📓 Debugging Recurring Trace Failures
📓 Curate Production Traces into an Evaluation Dataset
Iterate on rag
Iterate on rag
Iterating on LLM Apps with TruLens
Iterating on LLM Apps with TruLens
Iterating on LLM Apps with TruLens
Iterating on LLM Apps with TruLens
Iterating on LLM Apps with TruLens
Snowflake ai stack
Snowflake ai stack
Snowflake AI Stack: Notebook
Vector stores
Vector stores
Faiss
Faiss
LangChain with FAISS Vector DB
Milvus
Milvus
Iterating with RAG on Milvus
Milvus
Mongodb
Mongodb
Atlas quickstart
Pinecone
Pinecone
Pinecone Configuration Choices on Downstream App Performance
Simple Pinecone setup with LlamaIndex + Eval
Qdrant
Qdrant
Evaluate your Hybrid Search RAG pipeline built on Langchain and Qdrant
Weaviate
Weaviate
Evaluating Weaviate Query Agents
🔭 OpenTelemetry
🔭 OpenTelemetry
Semantic Conventions
🤝 Contributing
🤝 Contributing
🛠️ Development Setup
🧭 Design
📦 Release Policies
✅ Standards
💣 Tech Debt
⛅ Optional Packages
🗄️ Database Schema
🏁 Release History
✍️ Blog
✍️ Blog
Archive
Archive
2026
2025
2024
Categories
Categories
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Table of contents
claude
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apps
claude
trulens.apps.claude
¶
trulens.apps.claude
¶
Claude Code hook instrumentation plugin.
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