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config: support Anthropic, OpenAI, Gemini, and OpenCode Zen providers
- Add ANTHROPIC_API_KEY, OPENAI_API_KEY, GEMINI_API_KEY to .env.schema - OPENCODE_ZEN_API_KEY no longer required (any one provider suffices) - start.sh auto-detects provider and picks model: - Orchestration/coding: opus-4-6 / gpt-5.3-codex / gemini-3-pro - Triage (sentry): haiku-4-5 / gpt-5-mini / gemini-3-flash - install.sh prompts for all four providers - Remove hardcoded defaultProvider/defaultModel from settings.json - Update control-agent skill with model selection tables - Update CI simulated input for new prompt order
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‎.env.schema‎

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# ---
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# ── LLM Access ───────────────────────────────────────────────────────────────
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# Set at least one. Multiple can coexist — switch models at runtime.
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# API key for the LLM provider (Anthropic, OpenAI, or a proxy)
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# @required @type=string
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# @docs(https://docs.anthropic.com/en/api/getting-started)
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# Anthropic API key (Claude models)
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# @type=string(startsWith=sk-ant-)
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# @docs(https://console.anthropic.com/settings/keys)
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ANTHROPIC_API_KEY=
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# OpenAI API key (GPT, o-series models)
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# @type=string(startsWith=sk-)
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# @docs(https://platform.openai.com/api-keys)
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OPENAI_API_KEY=
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# Google Gemini API key
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# @type=string
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# @docs(https://aistudio.google.com/apikey)
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GEMINI_API_KEY=
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# OpenCode Zen API key (multi-provider router)
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# @type=string
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# @docs(https://opencode.ai)
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OPENCODE_ZEN_API_KEY=
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# ── GitHub ───────────────────────────────────────────────────────────────────

‎.pi/todos/89b135dc.md‎

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{
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"id": "89b135dc",
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"title": "Add ANTHROPIC_API_KEY and OPENAI_API_KEY to .env.schema",
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"tags": [
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"providers"
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],
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"status": "done",
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"created_at": "2026-02-17T11:57:40.435Z"
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}
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Pi has built-in `anthropic` and `openai` providers that activate when the env vars are set. No extension needed.
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Add to `.env.schema` under LLM Access:
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- `ANTHROPIC_API_KEY` — @type=string(startsWith=sk-ant-), @docs(https://console.anthropic.com/settings/keys)
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- `OPENAI_API_KEY` — @type=string(startsWith=sk-), @docs(https://platform.openai.com/api-keys)
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Make `OPENCODE_ZEN_API_KEY` optional (no longer @required) since users can use any of the three providers. None of the three should be @required — at least one must be set but we can't express that in varlock.

‎.pi/todos/c3058270.md‎

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{
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"id": "c3058270",
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"title": "Update install.sh to prompt for all three LLM providers",
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"tags": [
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"providers"
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],
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"status": "open",
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"created_at": "2026-02-17T11:57:52.746Z",
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"assigned_to_session": "381813d9-c69a-4472-9a00-e232ffb746d1"
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}
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The installer currently prompts for a single LLM key. Update to prompt for all three, all optional:
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1. Anthropic API key (sk-ant-...)
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2. OpenAI API key (sk-...)
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3. OpenCode Zen API key (any string)
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Validate prefixes where applicable. Write all non-empty values to .env.
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Also update the CI scripts (setup-ubuntu.sh, setup-arch.sh) simulated input to match the new prompt order.

‎.pi/todos/f60a332a.md‎

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{
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"id": "f60a332a",
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"title": "Update CONFIGURATION.md for three LLM providers",
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"tags": [
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"providers"
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],
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"status": "done",
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"created_at": "2026-02-17T11:57:47.187Z"
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}
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Rewrite the "LLM Access" section in CONFIGURATION.md to list all three providers:
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| Variable | Provider | How to get it |
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|---|---|---|
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| `ANTHROPIC_API_KEY` | Anthropic (Claude) | console.anthropic.com/settings/keys |
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| `OPENAI_API_KEY` | OpenAI (GPT, o-series) | platform.openai.com/api-keys |
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| `OPENCODE_ZEN_API_KEY` | OpenCode Zen (multi-provider router) | opencode.ai |
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Note: set at least one. Multiple can coexist — switch models at runtime.
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Update the example .env file to show all three (commented out with a note to uncomment one).

‎CONFIGURATION.md‎

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@@ -12,9 +12,14 @@ Baudbot uses [Varlock](https://varlock.dev) to validate environment variables at
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### LLM Access
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| Variable | Description | How to get it |
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|----------|-------------|---------------|
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| `OPENCODE_ZEN_API_KEY` | API key for the LLM provider | Your LLM provider dashboard (e.g. Anthropic, OpenAI, or a proxy like OpenCode Zen) |
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Set at least one. Multiple can coexist — switch models at runtime via `/model`.
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| Variable | Provider | How to get it |
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|----------|----------|---------------|
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| `ANTHROPIC_API_KEY` | Anthropic (Claude) | [console.anthropic.com/settings/keys](https://console.anthropic.com/settings/keys) |
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| `OPENAI_API_KEY` | OpenAI (GPT, o-series) | [platform.openai.com/api-keys](https://platform.openai.com/api-keys) |
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| `GEMINI_API_KEY` | Google Gemini | [aistudio.google.com/apikey](https://aistudio.google.com/apikey) |
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| `OPENCODE_ZEN_API_KEY` | OpenCode Zen (multi-provider router) | [opencode.ai](https://opencode.ai) |
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### GitHub
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@@ -90,8 +95,11 @@ Set during `setup.sh` via env vars (or edit `~/.gitconfig` after):
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## Example `.env` File
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```bash
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# LLM
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OPENCODE_ZEN_API_KEY=sk-...
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# LLM (set at least one)
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ANTHROPIC_API_KEY=sk-ant-...
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# OPENAI_API_KEY=sk-...
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# GEMINI_API_KEY=...
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# OPENCODE_ZEN_API_KEY=...
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# GitHub
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GITHUB_TOKEN=ghp_...

‎bin/ci/setup-arch.sh‎

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@@ -20,7 +20,7 @@ sudo -u baudbot_admin bash -c 'cd ~/baudbot && git init -q && git config user.em
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echo "=== Running install.sh ==="
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# Simulate interactive input: admin user, required secrets, skip optionals, decline launch
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printf 'baudbot_admin\nsk-test-key\nghp_testtoken\nxoxb-test\nxapp-test\nU01TEST\n\n\n\n\n\nn\n' \
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printf 'baudbot_admin\nsk-ant-testkey\n\n\n\nghp_testtoken\nxoxb-test\nxapp-test\nU01TEST\n\n\n\n\n\nn\n' \
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| bash /home/baudbot_admin/baudbot/install.sh
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echo "=== Verifying install ==="
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test -f /home/baudbot_agent/runtime/start.sh
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test -d /home/baudbot_agent/.pi/agent/extensions
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# Required secrets written
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grep -q "OPENCODE_ZEN_API_KEY=sk-test-key" /home/baudbot_agent/.config/.env
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grep -q "ANTHROPIC_API_KEY=sk-ant-testkey" /home/baudbot_agent/.config/.env
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grep -q "SLACK_BOT_TOKEN=xoxb-test" /home/baudbot_agent/.config/.env
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grep -q "BAUDBOT_SOURCE_DIR=" /home/baudbot_agent/.config/.env
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echo " ✓ install.sh verification passed"

‎bin/ci/setup-ubuntu.sh‎

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@@ -31,7 +31,7 @@ sudo -u baudbot_admin bash -c 'cd ~/baudbot && git init -q && git config user.em
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echo "=== Running install.sh ==="
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# Simulate interactive input: admin user, required secrets, skip optionals, decline launch
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printf 'baudbot_admin\nsk-test-key\nghp_testtoken\nxoxb-test\nxapp-test\nU01TEST\n\n\n\n\n\nn\n' \
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printf 'baudbot_admin\nsk-ant-testkey\n\n\n\nghp_testtoken\nxoxb-test\nxapp-test\nU01TEST\n\n\n\n\n\nn\n' \
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| bash /home/baudbot_admin/baudbot/install.sh
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echo "=== Verifying install ==="
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test -f /home/baudbot_agent/runtime/start.sh
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test -d /home/baudbot_agent/.pi/agent/extensions
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# Required secrets written
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grep -q "OPENCODE_ZEN_API_KEY=sk-test-key" /home/baudbot_agent/.config/.env
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grep -q "ANTHROPIC_API_KEY=sk-ant-testkey" /home/baudbot_agent/.config/.env
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grep -q "SLACK_BOT_TOKEN=xoxb-test" /home/baudbot_agent/.config/.env
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grep -q "BAUDBOT_SOURCE_DIR=" /home/baudbot_agent/.config/.env
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echo " ✓ install.sh verification passed"

‎install.sh‎

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echo -e "${BOLD}Required${RESET} ${DIM}(agent won't start without these)${RESET}"
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echo ""
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echo -e "${BOLD}LLM provider${RESET} ${DIM}(set at least one)${RESET}"
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echo ""
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prompt_secret "ANTHROPIC_API_KEY" \
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"Anthropic API key" \
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"https://console.anthropic.com/settings/keys" \
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"" \
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"sk-ant-"
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prompt_secret "OPENAI_API_KEY" \
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"OpenAI API key" \
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"https://platform.openai.com/api-keys" \
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"" \
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"sk-"
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prompt_secret "GEMINI_API_KEY" \
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"Google Gemini API key" \
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"https://aistudio.google.com/apikey"
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prompt_secret "OPENCODE_ZEN_API_KEY" \
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"LLM API key (Anthropic/OpenAI)" \
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"https://docs.anthropic.com/en/api/getting-started" \
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"required"
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"OpenCode Zen API key (multi-provider router)" \
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"https://opencode.ai"
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HAS_LLM_KEY=false
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for k in ANTHROPIC_API_KEY OPENAI_API_KEY GEMINI_API_KEY OPENCODE_ZEN_API_KEY; do
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if [ -n "${ENV_VARS[$k]:-}" ]; then HAS_LLM_KEY=true; break; fi
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done
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if [ "$HAS_LLM_KEY" = false ]; then
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warn "No LLM key set — agent needs at least one to work"
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fi
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echo ""
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prompt_secret "GITHUB_TOKEN" \
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"GitHub personal access token" \
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# Write in a sensible order
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ordered_keys=(
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ANTHROPIC_API_KEY
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OPENAI_API_KEY
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GEMINI_API_KEY
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OPENCODE_ZEN_API_KEY
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GITHUB_TOKEN
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SLACK_BOT_TOKEN
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# Check if we have the minimum required secrets
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MISSING=""
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for key in OPENCODE_ZEN_API_KEY GITHUB_TOKEN SLACK_BOT_TOKEN SLACK_APP_TOKEN SLACK_ALLOWED_USERS; do
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HAS_LLM=false
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for k in ANTHROPIC_API_KEY OPENAI_API_KEY GEMINI_API_KEY OPENCODE_ZEN_API_KEY; do
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if [ -n "${ENV_VARS[$k]:-}" ]; then HAS_LLM=true; break; fi
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done
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if [ "$HAS_LLM" = false ]; then
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MISSING+=" - LLM key (ANTHROPIC_API_KEY, OPENAI_API_KEY, GEMINI_API_KEY, or OPENCODE_ZEN_API_KEY)\n"
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fi
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for key in GITHUB_TOKEN SLACK_BOT_TOKEN SLACK_APP_TOKEN SLACK_ALLOWED_USERS; do
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if [ -z "${ENV_VARS[$key]:-}" ]; then
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MISSING+=" - $key\n"
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fi

‎pi/settings.json‎

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{
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"lastChangelogVersion": "0.52.12",
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"defaultProvider": "opencode-zen",
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"defaultModel": "claude-opus-4-6",
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"skills": [
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"~/.pi/agent/skills"
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],

‎pi/skills/control-agent/SKILL.md‎

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## Spawning Sub-Agents
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When launching a new pi session (e.g. dev-agent), use `tmux` with the `PI_SESSION_NAME` env var:
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When launching a new pi session (e.g. dev-agent), use `tmux` with the `PI_SESSION_NAME` env var.
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Pick the model based on which API key is available (check env vars in this order):
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**Coding / orchestration (top-tier):**
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| API key | Model |
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|---------|-------|
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| `ANTHROPIC_API_KEY` | `anthropic/claude-opus-4-6` |
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| `OPENAI_API_KEY` | `openai/gpt-5.3-codex` |
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| `GEMINI_API_KEY` | `google/gemini-3-pro-preview` |
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| `OPENCODE_ZEN_API_KEY` | `opencode-zen/claude-opus-4-6` |
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```bash
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tmux new-session -d -s dev-agent "export PATH=\$HOME/.varlock/bin:\$HOME/opt/node-v22.14.0-linux-x64/bin:\$PATH && export PI_SESSION_NAME=dev-agent && varlock run --path ~/.config/ -- pi --session-control --skill ~/.pi/agent/skills/dev-agent"
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tmux new-session -d -s dev-agent "export PATH=\$HOME/.varlock/bin:\$HOME/opt/node-v22.14.0-linux-x64/bin:\$PATH && export PI_SESSION_NAME=dev-agent && varlock run --path ~/.config/ -- pi --session-control --skill ~/.pi/agent/skills/dev-agent --model <MODEL_FROM_TABLE_ABOVE>"
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```
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**Important**:
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### Spawning sentry-agent
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The sentry-agent triages Sentry alerts and investigates critical issues via the Sentry API. It runs on **Haiku 4.5** (cheap) via OpenCode Zen.
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The sentry-agent triages Sentry alerts and investigates critical issues via the Sentry API. It runs on a cheap model to save tokens.
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Pick the model based on which API key is available (check env vars in this order):
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| API key | Model |
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|---------|-------|
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| `ANTHROPIC_API_KEY` | `anthropic/claude-haiku-4-5` |
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| `OPENAI_API_KEY` | `openai/gpt-5-mini` |
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| `GEMINI_API_KEY` | `google/gemini-3-flash-preview` |
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| `OPENCODE_ZEN_API_KEY` | `opencode-zen/claude-haiku-4-5` |
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```bash
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tmux new-session -d -s sentry-agent "export PATH=\$HOME/.varlock/bin:\$HOME/opt/node-v22.14.0-linux-x64/bin:\$PATH && export PI_SESSION_NAME=sentry-agent && varlock run --path ~/.config/ -- pi --session-control --skill ~/.pi/agent/skills/sentry-agent --model opencode-zen/claude-haiku-4-5"
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tmux new-session -d -s sentry-agent "export PATH=\$HOME/.varlock/bin:\$HOME/opt/node-v22.14.0-linux-x64/bin:\$PATH && export PI_SESSION_NAME=sentry-agent && varlock run --path ~/.config/ -- pi --session-control --skill ~/.pi/agent/skills/sentry-agent --model <MODEL_FROM_TABLE_ABOVE>"
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```
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**Model note**: Use `opencode-zen/*` models for headless agents. `github-copilot/*` models reject Personal Access Tokens and will fail in non-interactive sessions.
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**Model note**: `github-copilot/*` models reject Personal Access Tokens and will fail in non-interactive sessions.
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The sentry-agent operates in **on-demand mode** — it does NOT poll. Sentry alerts arrive via the Slack bridge in real-time and are forwarded by you. The sentry-agent uses `sentry_monitor get <issue_id>` to investigate when asked.
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