Environment variables

Every KYMA_* variable read by the kyma engine (kyma-bin), the local CLI engine (kyma mcp / kyma serve), or the node daemon (kyma worker run). Defaults are the values the binary falls back to when the variable is absent. Areas group related flags so a deploy config stays coherent.

Side legend: S = server / engine only; C = CLI / local engine / node daemon; SC = both.

Catalog

Name	Side	Default	Purpose
KYMA_CATALOG_URL	SC	postgres://kyma:kyma_dev@localhost:5433/kyma	Postgres connection URL for the catalog. Used by kyma-bin and admin subcommands.
KYMA_PG_MAX_CONNS	S	16	Catalog connection-pool size. Raise for many concurrent query/ingest nodes against one catalog.
KYMA_PG_ACQUIRE_TIMEOUT_SECS	S	10	How long a request waits for a free pool connection before erroring.

Roles and scale-out

Knobs for running more than one engine pod against a catalog. By default a node is all_in_one (single-writer); see Deploy with Helm → role split.

Name	Side	Default	Purpose
KYMA_ROLE	S	all_in_one	Which components this node runs. all_in_one (or unset/unknown) = everything; edge/query/ingest = stateless HTTP only (no committer, no background jobs); committer = the commit loop only; worker/compaction = background jobs only.
KYMA_INGEST_MODE	S	sync	Set to staged to stage writes to object storage and ack immediately, leaving the commit to the (possibly separate) committer node. Required for the role split to offload commits.
KYMA_WRITE_FORMAT	S	tlm	Segment format for newly written extents: tlm (Arrow IPC) or parquet (ZSTD + encodings + blooms). Reads dispatch per-extent, so old extents stay readable after a flip; compaction migrates them.

HTTP server

Name	Side	Default	Purpose
KYMA_HTTP_ADDR	S	0.0.0.0:8080	HTTP listen address. Serves query, ingest, agent, etc.
KYMA_LOCAL_HTTP_ADDR	C	127.0.0.1:7777	Listen address for kyma serve (local single-binary).
KYMA_SCHEMA_CACHE_TTL_SECS	S	5	TTL for the GET /v1/catalog/schema server-side cache.
KYMA_CORS_ALLOWED_ORIGINS	S	permissive (dev)	Comma-separated allowed origins for CORS. Unset → permissive (dev only); always set in production.

Query limits & admission control

Per-query resource ceilings and node-level backpressure. The budget caps are deployment-wide defaults; per-request headers may lower them further. Admission limits are off by default (unset/0 ⇒ unlimited) — set them to convert overload into a fast 429 Too Many Requests + Retry-After instead of OOM or latency collapse.

Name	Side	Default	Purpose
KYMA_QUERY_MEMORY_BYTES	S	4294967296 (4 GiB)	Per-query DataFusion memory pool. Over-budget queries spill instead of OOM-ing.
KYMA_QUERY_WALL_MS	S	300000 (5 min)	Per-query wall-clock deadline (ms).
KYMA_QUERY_OBJECT_STORE_BYTES	S	10737418240 (10 GiB)	Per-query cap on bytes fetched from object storage.
KYMA_QUERY_MAX_CONCURRENT	S	0 (unlimited)	Max in-flight queries on this node. Excess → 429 + Retry-After.
KYMA_QUERY_RETRY_AFTER_SECS	S	1	Retry-After advertised when query admission rejects.
KYMA_QUERY_MAX_CONCURRENT_PER_TENANT	S	0 (unlimited)	Per-tenant in-flight query cap — one tenant saturating its budget can't starve others.
KYMA_AGENT_MAX_CONCURRENT	S	0 (unlimited)	Max concurrent agent runs on this node.
KYMA_AGENT_RETRY_AFTER_SECS	S	1	Retry-After advertised when agent-run admission rejects.
KYMA_AGENT_MAX_CONCURRENT_PER_TENANT	S	0 (unlimited)	Per-tenant concurrent agent-run cap.

gRPC (Arrow Flight)

Name	Side	Default	Purpose
KYMA_GRPC_ADDR	S	0.0.0.0:9090	Arrow Flight listen address. Set to off to disable the gRPC server entirely.

OTLP gRPC

Name	Side	Default	Purpose
KYMA_OTLP_ADDR	S	off	OTLP gRPC listen address (conventional 0.0.0.0:4317). off disables the receiver.
KYMA_OTLP_DATABASE	S	default	Target database for OTLP-received logs. Tables auto-created as otel_logs.

Object store

S3-compatible (works with MinIO, AWS S3, R2, GCS via S3 API). When KYMA_LOCAL_MODE=1 or no S3 env vars are set, the local filesystem is used instead (set automatically by kyma serve).

Name	Side	Default	Purpose
KYMA_PATH_PREFIX	S	kyma	Path prefix prepended to every object key.
KYMA_LOCAL_MODE	SC	unset	1 forces the local filesystem store (auto-set by kyma serve).
KYMA_S3_ENDPOINT	S	unset	S3 endpoint URL (e.g. http://localhost:9000 for MinIO). Empty → AWS S3.
KYMA_S3_REGION	S	us-east-1	Region passed to the S3 client.
KYMA_S3_BUCKET	S	kyma	Bucket name.
KYMA_S3_ACCESS_KEY_ID	S	unset	Access key. Falls back to the AWS credential chain when unset.
KYMA_S3_SECRET_ACCESS_KEY	S	unset	Secret key. When both key vars are unset, the standard AWS provider chain applies (ECS/Fargate task role, web identity, AWS_* env, IMDS) — keyless IAM-role deployments set only bucket + region.
KYMA_S3_PATH_STYLE	S	true	Path-style addressing (vs. virtual-hosted). Set false for virtual-host style.
KYMA_S3_ALLOW_HTTP	S	true	Allow plain HTTP (for local MinIO). Set false to require TLS.

Local engine data paths

Read by kyma mcp, kyma serve, and kyma sync. Data lives under ~/.kyma by default.

Name	Side	Default	Purpose
KYMA_HOME	C	~/.kyma	Root data directory for the local engine.
KYMA_LOCAL_DB	C	$KYMA_HOME/catalog.db	SQLite catalog path (local engine only).
KYMA_LOCAL_DATA	C	$KYMA_HOME/data	Local object-store root directory.
KYMA_LOCAL_USER	C	admin	Default admin username for kyma serve.
KYMA_LOCAL_PASSWORD	C	admin	Default admin password for kyma serve. Override in shared envs.

Auth

Name	Side	Default	Purpose
KYMA_AUTH_BACKEND	S	env	env = static KYMA_AUTH_TOKENS; session = username/password login backed by the catalog; supabase = Supabase Auth JWTs; oidc = generic OIDC.
KYMA_AUTH_TOKENS	S	unset	(env backend) Comma-separated token:role pairs (e.g. alice-tok:admin,reader-tok:read). Empty / unset disables auth.
KYMA_ADMIN_USER	S	unset	(session backend) Seed an admin user on first boot if no users exist yet. Requires KYMA_ADMIN_PASSWORD.
KYMA_ADMIN_PASSWORD	S	unset	Password for the seeded admin user. Only used when no users exist.
KYMA_ACCESS_TTL_SECS	S	3600	Access-token lifetime (1 hour). Applies to the session and supabase backends.
KYMA_REFRESH_TTL_SECS	S	2592000	Refresh-token lifetime (30 days).
KYMA_INTERNAL_BEARER	SC	auto	Bearer token used by the local engine to call itself (e.g. dreaming). Auto-derived from KYMA_AUTH_TOKENS; override only when embedding the server.

Roles: read ⊆ write ⊆ admin. A higher role grants everything below it.

Supabase Auth (KYMA_AUTH_BACKEND=supabase)

Validates Supabase-issued JWTs (project JWKS by default, with kid-rotation refetch) and JIT-provisions kyma users from them. Opaque tokens (static keys, kyma session/API tokens) still authenticate through the session backend, so CLI/MCP/CI clients keep working. Used by the production deployment.

Name	Side	Default	Purpose
KYMA_SUPABASE_URL	S	required	Project base URL, e.g. https://<ref>.supabase.co. JWKS is fetched under it.
KYMA_SUPABASE_ANON_KEY	S	unset	Publishable anon key, served to the web login page via GET /v1/auth/config.
KYMA_SUPABASE_JWT_SECRET	S	unset	Legacy HS256 shared secret. Unset → asymmetric JWKS validation (preferred).
KYMA_SUPABASE_JWT_AUD	S	authenticated	Expected aud claim.
KYMA_SUPABASE_PROVIDERS	S	unset	OAuth buttons to render on the login page (e.g. google,github); enable them in Supabase too.
KYMA_ADMIN_EMAILS	S	unset	Comma-separated emails granted the kyma admin role on sign-in.
KYMA_ALLOWED_EMAIL_DOMAINS	S	unset	When set, only these email domains may sign in — guards projects with open signup.
KYMA_SUPABASE_DEFAULT_ROLE	S	read	Role for users matching neither the admin list nor an app_metadata.role claim.
KYMA_SUPABASE_API_BASE	C	https://api.supabase.com	Supabase Management API base URL. Override in tests or private deployments. Used by kyma deploy.
KYMA_SUPABASE_OAUTH_CLIENT_ID	C	unset	OAuth app client id for the kyma deploy browser OAuth flow against Supabase.
KYMA_SUPABASE_OAUTH_CLIENT_SECRET	C	unset	OAuth app client secret for the kyma deploy browser OAuth flow.

OIDC backend (KYMA_AUTH_BACKEND=oidc)

Validates JWTs from any standards-compliant OIDC issuer (Okta, Auth0, Keycloak, etc.) and maps claims to kyma roles.

Name	Side	Default	Purpose
KYMA_OIDC_ISSUERS	S	unset	Comma-separated issuer URLs. Unset / empty disables OIDC.
KYMA_OIDC_AUDIENCE	S	kyma	Required aud claim value.
KYMA_OIDC_ROLE_CLAIM	S	kyma_role	JWT claim to map to the kyma role.
KYMA_OIDC_SUBJECT_CLAIM	S	sub	JWT claim to use as the kyma username.
KYMA_OIDC_DATABASES_CLAIM	S	kyma_databases	JWT claim containing an allowlist of database names this token may access.

Ingest staging (group commit)

Name	Side	Default	Purpose
KYMA_STAGING_DISABLED	S	unset (off)	Set to 1 or true to disable group-commit. Each ingest request becomes one extent.
KYMA_FLUSH_MAX_ROWS	S	8000	Per-table flush trigger — row count.
KYMA_FLUSH_MAX_BYTES	S	16777216	Per-table flush trigger — bytes (16 MiB).
KYMA_FLUSH_MAX_AGE_MS	S	50	Per-table flush trigger — wall-clock age.
KYMA_COMMIT_WINDOW_MS	S	5	Commit-coordinator window. Flushes within this window land in one snapshot.
KYMA_COMMIT_MAX_EXTENTS	S	128	Maximum extents the coordinator collapses into a single snapshot.

Ingest rate limiting

Per-database token bucket on the ingest path. Off by default — set the rate to turn ingest overload into a 429 + Retry-After instead of unbounded queueing.

Name	Side	Default	Purpose
KYMA_INGEST_RATE_RPS	S	0 (off)	Steady-state requests/sec per database. 0 or unset ⇒ unlimited.
KYMA_INGEST_RATE_BURST	S	2 × rps	Token-bucket burst cap (min 1). Only meaningful when KYMA_INGEST_RATE_RPS is set.

Compaction, retention, GC

Name	Side	Default	Purpose
KYMA_COMPACTION_IDLE_SLEEP_MS	S	bin default	Sleep between work polls when the compaction queue is empty.
KYMA_COMPACTION_POLL_SECS	S	bin default	Scheduler poll interval (seconds).
KYMA_COMPACTION_MIN_EXTENTS	S	bin default	Minimum extent count per (table, time-bucket) before compaction fires.
KYMA_RETENTION_POLL_SECS	S	bin default	Retention sweeper poll interval (seconds).
KYMA_PHYSICAL_GC_POLL_SECS	S	bin default	Physical-delete worker poll interval (seconds).
KYMA_PHYSICAL_GC_GRACE_SECS	S	bin default	Grace period between soft-delete and hard-delete (seconds).
KYMA_ARTIFACT_GC_POLL_SECS	S	300	Poll interval for the artifact-retention sweeper + artifact-graph/content-index sync.
KYMA_ARTIFACT_GC_GRACE_SECS	S	bin default	Grace period before expired object-store artifacts are physically deleted.

All of these run only on job-running roles (all_in_one / worker); see Roles & scale-out.

File-drop

Name	Side	Default	Purpose
KYMA_FILEDROP_ENABLED	S	unset	1 or true enables the file-drop watcher.
KYMA_FILEDROP_PREFIXES	S	ingest	Comma-separated object-store prefixes to watch.
KYMA_FILEDROP_PREFIX	S	unset	Legacy single-prefix form. KYMA_FILEDROP_PREFIXES wins when both are set.
KYMA_FILEDROP_POLL_SECS	S	5	Watcher poll interval.
KYMA_FILEDROP_DELETE_AFTER_INGEST	S	false	Delete the source object after it commits. Off by default — replays remain idempotent.
KYMA_FILEDROP_AUTO_CREATE	S	true	Create the database + table on first sight.
KYMA_FILEDROP_SCHEMA_EVOLVE	S	true	Add new columns mid-batch.

Kafka

Name	Side	Default	Purpose
KYMA_KAFKA_ENABLED	S	unset	1 or true enables the Kafka consumer.
KYMA_KAFKA_BROKERS	S	localhost:9092	Comma-separated broker list.
KYMA_KAFKA_GROUP	S	kyma-ingest	Consumer group id.
KYMA_KAFKA_TOPICS	S	unset	Comma-separated topic:database.table mappings. Required to enable.
KYMA_KAFKA_BATCH_SIZE	S	500	Per-batch row count.
KYMA_KAFKA_BATCH_TIMEOUT_MS	S	500	Per-batch wall-clock timeout.

Data sources

Name	Side	Default	Purpose
KYMA_DATA_SOURCE_WORKERS	S	4	Number of data-source-runner tasks. Also the fallback for KYMA_FABRIC_WORKERS when unset.
KYMA_DISCOVER_MAX_SOURCES	S	bin default	Cap on sources returned by the discovery endpoint.
KYMA_GH_PAT	S	unset	GitHub personal-access token injected into git clone credentials for private-repo data sources.

Per-data-source secrets are resolved through the EnvSecretStore — config values written as $env:VAR_NAME resolve to whatever std::env::var("VAR_NAME") returns at fetch time.

Credentials & OAuth

The typed credentials store (PATs, OAuth tokens, connection URLs) is encrypted at rest; the OAuth connect flow needs a public origin and a client app per provider.

Name	Side	Default	Purpose
KYMA_SECRET_KEY	S	unset (required for credentials)	AES-256-GCM key for the credentials store. Base64 of 32 random bytes (openssl rand -base64 32); shorter values are SHA-256 stretched (dev only).
KYMA_OAUTH_REDIRECT_BASE	S	http://localhost:8080	Externally reachable origin. Builds the provider redirect_uri (<base>/v1/oauth/<provider>/callback).
KYMA_OAUTH_UI_RETURN_BASE	S	= redirect base	Where the callback sends the browser back to (the web UI origin).
KYMA_OAUTH_<PROVIDER>_CLIENT_ID	S	unset	Operator client id. <PROVIDER> ∈ GOOGLE, NOTION, ATLASSIAN, SLACK.
KYMA_OAUTH_<PROVIDER>_CLIENT_SECRET	S	unset	Operator client secret. A per-tenant bring-your-own app (set in the UI) takes precedence over these.

Worker fabric

The server-side job dispatch layer that routes work to registered worker nodes.

Name	Side	Default	Purpose
KYMA_FABRIC_WORKERS	S	4	Goroutine-pool size for the fabric dispatcher. Falls back to KYMA_DATA_SOURCE_WORKERS.
KYMA_FABRIC_LEASE_SECS	S	300	How long a job lease is held before the fabric considers it expired (5 minutes).
KYMA_FABRIC_SWEEP_SECS	S	30	How often the fabric sweeps for expired leases.
KYMA_FABRIC_OFFLINE_SECS	S	90	Seconds without a heartbeat before a node is marked offline.

Node daemon / local sync

Variables read by kyma worker run (the fabric node daemon) and kyma sync / kyma worker install (the CC-memory sync service). These are client-side — the running server reads none of them.

Name	Side	Default	Purpose
KYMA_SERVER_URL	C	required	Control-plane URL. Required for kyma worker run; also overrides the saved client endpoint for all kyma subcommands.
KYMA_TOKEN	C	unset	Bearer token override for all client subcommands (wins over ~/.kyma/config.json).
KYMA_WORKER_TOKEN	C	required	Node authentication token minted by kyma worker create. Required for kyma worker run.
KYMA_WORKER_INSECURE	C	unset	Set to 1 to allow HTTP (non-TLS) connections from the node daemon to the server. Tokens ride this channel.
KYMA_CC_SYNC_POLL_SECS	C	30	Poll interval (seconds) for kyma sync --watch and the background worker service.
KYMA_CC_WATCH	C	0 (off)	Set to 1 to enable the continuous CC-file sync watcher inside kyma serve.
KYMA_CC_FILE_SYNC	C	1 (on)	Set to 0 to disable the Claude Code file-memory phase of sync entirely.
KYMA_CC_SYNC_ON_MCP	C	1 (on)	Set to 0 to skip the one-shot file sync that fires when the MCP server initialises.
KYMA_CC_HOME	C	~/.claude	Root directory that kyma treats as the Claude Code home (scans CLAUDE.md, projects/*/memory).
KYMA_CLOUD_URL	C	unset	URL of the kyma control plane to push/pull memories to. Unset → local-only sync.
KYMA_CLOUD_TOKEN	C	unset	Bearer token for the cloud control plane.
KYMA_SYNC_REALM	C	unset	Memory realm to sync to/from on the control plane. Unset → server default.
KYMA_NO_UPDATE_CHECK	C	unset	Set to any value to suppress the background update-available nudge in kyma status / kyma version.

CC-memory curation

Knobs for the Claude Code memory curation pass (promotion and LLM-curated deduplication / staleness review).

Name	Side	Default	Purpose
KYMA_CC_CURATE	SC	1 (on)	Master switch. Set to 0 to disable all curation.
KYMA_CC_PROMOTE	SC	1 (on)	Write high-importance memories back as native .md files for Claude Code to load.
KYMA_CC_PROMOTE_MAX	SC	15	Max number of memories promoted to files per project.
KYMA_CC_PROMOTE_MIN_IMPORTANCE	SC	0.6	Minimum importance score a memory needs to be eligible for promotion.
KYMA_CC_QUIET_WINDOW	SC	300	Seconds of inactivity before a promotion pass is allowed (prevents churn during edits).
KYMA_CC_LOCK_TTL	C	300	Seconds before a stale curation lock is forcibly released.
KYMA_CC_STALE_DAYS	SC	90	Age in days before a memory is considered stale for LLM review.
KYMA_CC_DUP_COSINE	SC	0.90–0.97 band	Cosine-similarity range where duplication is plausible but not certain — the model decides.

Agentic memory

Name	Side	Default	Purpose
KYMA_MEMORY_ASYNC	SC	1 (on)	0 makes memory writes synchronous (blocks until the embedding + save complete).
KYMA_MEMORY_QUEUE_DURABLE	SC	0 (local) / 1 (server)	1 persists the in-flight memory queue to the catalog so it survives restarts. Defaults on for the server binary, off for local/stdio.
KYMA_MEMORY_CONSOLIDATION	S	1 (on)	0 disables the background memory-consolidation worker.
KYMA_MEMORY_CONSOLIDATION_POLL_SECS	S	bin default	Poll interval for the memory consolidation background task.
KYMA_SESSION_SUMMARY_EVERY	S	12	Refresh the rolling session summary every N turns.
KYMA_CI_CORRELATE	S	1 (on)	0 disables the CI failure-correlation pipeline (writes recurring-failure memories).
KYMA_CI_CORRELATE_POLL_SECS	S	bin default	Poll interval for the CI-correlation pipeline.
KYMA_FILE_PROMOTE	S	1 (on)	0 disables the file-candidate promotion pipeline (stitches contributed File nodes to live repo nodes).
KYMA_FILE_PROMOTE_POLL_SECS	S	bin default	Poll interval for the file-promotion pipeline.
KYMA_MEMORY_PPR	S	0 (off)	1/true rescores recall with personalized PageRank over the memory graph (else hop-decay proximity). Capability is shipped; enabling-by-default is gated on benchmark uplift.
KYMA_MEMORY_CLASS_DECAY	S	0 (off)	1/true applies memory-class-aware recency decay (episodic short half-life, semantic invalidation-only). Default keeps the uniform recency term.

The consolidation / CI-correlate / file-promote pipelines run only on job-running roles (all_in_one / worker); see Roles & scale-out.

Agent

Name	Side	Default	Purpose
KYMA_AGENT_MCP_URL	S	auto (derived from HTTP addr)	Override the MCP endpoint the agent routes tool calls to. off disables.
KYMA_OLLAMA_HOST	S	http://localhost:11434	Ollama host the server-side agent uses.

Embeddings

For dense-vector ingestion + nearest-neighbour scan. Selects the embedding backend at startup.

Name	Side	Default	Purpose
KYMA_EMBED_PROVIDER	SC	fastembed	One of fastembed, ollama, openai-compat, gemini.
KYMA_EMBED_MODEL_ID	SC	provider-specific (e.g. bge-small-en-v1.5)	Model id passed to the provider.
KYMA_EMBED_BASE_URL	SC	provider-specific	Base URL for HTTP-based providers (Ollama, OpenAI-compat).
KYMA_EMBED_MODEL_PATH	SC	unset	Local model path for fastembed (overrides id).
KYMA_EMBED_API_KEY_ENV	SC	OPENAI_API_KEY	Env var to read the API key from (for openai-compat).

gemini reads the API key from GOOGLE_API_KEY (fixed).

Cross-encoder reranker

Optional final reranking stage for hybrid search + memory recall. Off unless KYMA_RERANK_MODEL is set; when configured, the top fused results are re-scored by a cross-encoder before returning.

Name	Side	Default	Purpose
KYMA_RERANK_MODEL	SC	unset	fastembed reranker model id (e.g. bge-reranker-base). Unset ⇒ no reranking.
KYMA_RERANK_MODEL_PATH	SC	unset	Local model path override for the reranker.
KYMA_RERANK_POOL_SIZE	SC	1	Number of reranker inference instances (parallel ONNX sessions).

UI / icon gallery

Name	Side	Default	Purpose
KYMA_ICON_GALLERY	S	unset	Path to a JSON file that extends or overrides the built-in icon gallery ({"kinds":{...},"vendors":{...}}).

Debug / verbose flags

These are CLI-side flags that increase output verbosity for specific operations. They are not set in production.

Name	Side	Default	Purpose
KYMA_INGEST_VERBOSE	C	unset	Print per-row ingest detail from kyma ingest push.
KYMA_DISTILL_VERBOSE	C	unset	Print distillation progress from kyma distill.

Logging

tracing-subscriber reads the standard RUST_LOG env var. The default filter is info,sqlx=warn,hyper=warn,h2=warn.