Harness Engineering Explained — Agent = Model + Harness (2026)

Harness Engineering Explained — Agent = Model + Harness (2026)

Pillars

SecurityBlock attacks, redact PII and secrets
ObservabilityTrace every call, cost, and latency
EvaluationScore responses and whole agent runs

Part of Evaluation

DatasetsGolden sets that capture whole agent runs
Prompt ManagementVersion and deploy prompt templates

Across the platform

AlertsPush eval and security events to Slack

LLM Providers

OpenAI
Anthropic
Google Gemini
Google Vertex AI

Agent Frameworks

LangChain
LangGraph
CrewAI
Google ADK
MCP

Vector Databases

Pinecone
Chroma
Weaviate
FAISS
Qdrant

14 integrations · zero wrappersView all

Learn

BlogsWriting on evals, security & cost
FAQPricing, evals, security & data

Build

Fluiq DocsGuides, concepts & SDK reference
Code SamplesCopy-paste integration snippets

Tools

Response Gate DemoWhat an LLM leaks while refusing
LLM Cost CalculatorCompare OpenAI, Claude & Gemini
polygateOpen-source unified LLM client
InfragerDiagrams to secure Terraform

Login Start free

Loading…

Fluiq

Secure, observe, evaluate.

PlatformSecurity Observability Evaluation Datasets Prompt Management Alerts

CompanyIntegrations Pricing Docs Response Gate Demo Cost Calculator Blog Contact

Comparevs LangSmith vs Langfuse vs Helicone vs Braintrust vs Portkey vs Lakera

IntegrationsOpenAI Anthropic LangChain CrewAI Pinecone View all →

Open Sourcepolygate polygate GitHub Infrager Infrager GitHub