Koog 1.0 idioms, gotchas, and scaffolding skills for Kotlin agents on the JVM
87
88%
Does it follow best practices?
Impact
87%
1.85xAverage score across 45 eval scenarios
Advisory
Suggest reviewing before use
A developer maintains an internal documentation site (~2000 pages of markdown). They want a Koog 1.0 agent that answers questions about those docs by retrieving relevant pages before responding. They've already loaded the markdown into a List<Document> where each Document has an id, text, and path.
The agent uses OpenAI. Retrieval should happen when the LLM decides it needs context — they specifically don't want every input augmented with retrieval results (some queries are conversational and don't need docs).
Walk through the wiring — embedder, vector store, retrieval surface, agent integration. Produce the relevant code as a single Kotlin file, labeled.
evals
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skills
add-observability
add-persistence
add-rag
add-structured-output
add-token-budgeting
add-tool
cache-llm-calls
define-prompt
domain-model-subtask-pipeline
references
enable-prompt-caching
handle-agent-events
manage-state
migrate-from-0-x
model-planner-subtasks
persist-chat-history
query-sql-from-agent
scaffold-agent
snapshot-and-restore
test-koog-agents
trace-agent-internals
use-attachments
use-functional-agent
use-llm-node-variants
use-planner
wire-a2a
wire-acp-server
wire-ktor-server
wire-mcp-server
wire-spring-boot