nimblebrain/.env.example at main · NimbleBrainInc/nimblebrain · GitHub

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# NimbleBrain Platform — Environment Variables
# Copy this file to .env and fill in your values.
# .env is gitignored and never committed.

# ── Required ──────────────────────────────────────────────────────────────────

# At least one LLM provider key is required.
ANTHROPIC_API_KEY=
OPENAI_API_KEY=
GEMINI_API_KEY=

# ── Telemetry (optional) ───────────────────────────────────────────────────────

# PostHog write-only API key. If unset, telemetry is disabled.
# Server-side analytics.
POSTHOG_API_KEY=

# Disable telemetry entirely (overrides POSTHOG_API_KEY).
# Set to "1" to opt out.
# NB_TELEMETRY_DISABLED=1

# Respects the community standard https://consoledonottrack.com
# DO_NOT_TRACK=1

# ── Server (optional) ─────────────────────────────────────────────────────────

# HTTP port for the API server. Default: 3000
# PORT=3000

# Host URL used for generating absolute URLs (e.g. MCP server callbacks).
# Default: http://localhost:${PORT}
# NB_HOST_URL=https://your-domain.com

# Comma-separated list of allowed CORS origins. Default: * (all origins)
# ALLOWED_ORIGINS=https://your-domain.com

# ── Paths (optional) ──────────────────────────────────────────────────────────

# Working directory for conversations, skills, and bundle state.
# Default: .nimblebrain/ (project-local) or ~/nimblebrain/ (global serve)
# All other paths (config, skills, core/) are derived from this.
# NB_WORK_DIR=/path/to/workdir

# ── Home Bundle (optional) ────────────────────────────────────────────────────

# Display name shown in the Home briefing.
# NB_HOME_USERNAME=Mat

# IANA timezone for the Home briefing schedule (e.g. America/Honolulu).
# NB_HOME_TIMEZONE=America/New_York

# Override the model used for Home briefings.
# NB_HOME_MODEL=claude-sonnet-4-5

# ── mpak (optional) ───────────────────────────────────────────────────────────

# mpak workspace directory. Default: ~/.mpak
# MPAK_WORKSPACE=/path/to/mpak-workspace

# ── MCP Session Limits (optional) ─────────────────────────────────────────────

# Maximum concurrent MCP sessions. Default: 50
# MCP_MAX_SESSIONS=50

# MCP session TTL in milliseconds. Default: 3600000 (1 hour)
# MCP_SESSION_TTL_MS=3600000

# ── Web Client (Vite, optional) ───────────────────────────────────────────────

# API base URL for the web client in development.
# Default: /v1 (proxied to :3000 by Vite dev server)
# VITE_API_BASE=/v1

# PostHog write-only API key for web client analytics. If unset, disabled.
# VITE_POSTHOG_KEY=