deer-flow/.env.example
lekt8 f889ce7517
feat(community): add Unbrowse web fetch provider (#5981)
* feat(community): add Unbrowse web fetch provider

Add a community web_fetch provider backed by Unbrowse
(https://unbrowse.ai), a hosted service that returns a page as markdown,
over plain HTTP when that is enough and through a cloud browser when the
page needs JavaScript. The tool sends one JSON-RPC tools/call POST
(unbrowse.scrape) to Unbrowse's MCP endpoint, so it needs no extra Python
package and no MCP client (uses httpx, already a dependency).

Unbrowse is not a general web search engine, so only web_fetch is added.

Changes:
- backend/packages/harness/deerflow/community/unbrowse/{__init__,tools}.py
  web_fetch_tool with the same output shape as the Sofya, Exa and
  Firecrawl fetch tools (# <title> plus markdown, 4KB cap). API key is read
  from the config.yaml api_key field or the UNBROWSE_API_KEY env var.
  Optional render: auto|never|always; unknown values log a warning and fall
  back to auto. JSON-RPC errors, isError tool results, HTTP errors and
  malformed payloads come back as "Error: ..." strings.
- backend/tests/test_unbrowse_tools.py: key resolution, render handling,
  request shape, structuredContent vs text payloads, error paths.
- scripts/doctor.py, scripts/wizard/providers.py: register the key and the
  web_fetch provider; backend/tests/test_doctor.py covers both doctor paths.
- config.example.yaml, .env.example, backend/docs/CONFIGURATION.md,
  tools/AGENTS.md, EN/ZH harness/tools.mdx: document the provider.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

* docs(changelog): add Unbrowse web_fetch provider entry

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Co-authored-by: Willem Jiang <willem.jiang@gmail.com>
2026-09-28 15:08:49 +08:00

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# Serper API Key (Google Search) - https://serper.dev
SERPER_API_KEY=your-serper-api-key
# Serply API Key (Google Search, News and Scholar) - https://serply.io
SERPLY_API_KEY=your-serply-api-key
# TAVILY API Key
TAVILY_API_KEY=your-tavily-api-key
# Jina API Key
JINA_API_KEY=your-jina-api-key
# InfoQuest API Key
INFOQUEST_API_KEY=your-infoquest-api-key
# Sofya API Key (web search and fetch) - https://sofya.co
SOFYA_API_KEY=your-sofya-api-key
# Unbrowse API Key (web fetch) - https://unbrowse.ai/app
UNBROWSE_API_KEY=your-unbrowse-api-key
# Browser CORS allowlist for split-origin or port-forwarded deployments (comma-separated exact origins).
# Leave unset when using the unified nginx endpoint, e.g. http://localhost:2026.
# GATEWAY_CORS_ORIGINS=http://localhost:3000,http://127.0.0.1:3000
# Host interface the Docker stack publishes its entry port on. Defaults to
# 127.0.0.1 (loopback only), matching the local-trusted-environment deployment
# model documented in README.md -- the agent can execute commands.
# Set 0.0.0.0 only when the host is protected by your own TLS/auth front door
# or firewall, and complete first-run setup before it becomes reachable.
# BIND_HOST=0.0.0.0
# PORT=2026
# Optional:
# FIRECRAWL_API_KEY=your-firecrawl-api-key
# VOLCENGINE_API_KEY=your-volcengine-api-key
# OPENAI_API_KEY=your-openai-api-key
# OPENVIKING_API_KEY=your-openviking-user-api-key
# GEMINI_API_KEY=your-gemini-api-key
# DEEPSEEK_API_KEY=your-deepseek-api-key
# NOVITA_API_KEY=your-novita-api-key # OpenAI-compatible, see https://novita.ai
# MINIMAX_API_KEY=your-minimax-api-key # OpenAI-compatible, see https://platform.minimax.io
# OpenAI-compatible Images API (used by the image-generation skill)
# IMAGE_GENERATION_PROVIDER=openai # openai-compatible is also accepted
# IMAGE_GENERATION_API_KEY=your-image-generation-api-key
# IMAGE_GENERATION_BASE_URL=https://api.openai.com/v1
# IMAGE_GENERATION_MODEL=gpt-image-2.5-flare
# IMAGE_GENERATION_SIZE=1536x1024
# STEPFUN_API_KEY=your-stepfun-api-key # OpenAI-compatible, see https://platform.stepfun.com
# VLLM_API_KEY=your-vllm-api-key # OpenAI-compatible
# E2B cloud sandbox API key — required only when using E2BSandboxProvider.
# Sign up at https://e2b.dev/dashboard
# E2B_API_KEY=your-e2b-api-key
# FEISHU_APP_ID=your-feishu-app-id
# FEISHU_APP_SECRET=your-feishu-app-secret
# SLACK_BOT_TOKEN=your-slack-bot-token
# SLACK_APP_TOKEN=your-slack-app-token
# TELEGRAM_BOT_TOKEN=your-telegram-bot-token
# DISCORD_BOT_TOKEN=your-discord-bot-token
# Enable LangSmith to monitor and debug your LLM calls, agent runs, and tool executions.
# LANGSMITH_TRACING=true
# LANGSMITH_ENDPOINT=https://api.smith.langchain.com
# LANGSMITH_API_KEY=your-langsmith-api-key
# LANGSMITH_PROJECT=your-langsmith-project
# GitHub API Token
# GITHUB_TOKEN=your-github-token
# Database (only needed when config.yaml has database.backend: postgres)
# DATABASE_URL=postgresql://deerflow:password@localhost:5432/deerflow
#
# WECOM_BOT_ID=your-wecom-bot-id
# WECOM_BOT_SECRET=your-wecom-bot-secret
# DINGTALK_CLIENT_ID=your-dingtalk-client-id
# DINGTALK_CLIENT_SECRET=your-dingtalk-client-secret
# Set to "false" to disable Swagger UI, ReDoc, and OpenAPI schema in production
# GATEWAY_ENABLE_DOCS=false
# Shared internal Gateway auth token for multi-worker deployments.
# `make up` honors a value set here (as it does for BETTER_AUTH_SECRET) and
# otherwise generates one and persists it under DEER_FLOW_HOME; set it
# manually when Gateway workers also run outside the bundled deploy script.
# DEER_FLOW_INTERNAL_AUTH_TOKEN=your-shared-internal-token
# Provisioner API key for sandbox authentication (required when using provisioner/K8s sandbox mode).
# The same value must be set on the provisioner container and in config.yaml sandbox.provisioner_api_key.
# Generate: openssl rand -hex 32
# PROVISIONER_API_KEY=your-provisioner-api-key
# ── Frontend SSR → Gateway wiring ─────────────────────────────────────────────
# The Next.js server uses these to reach the Gateway during SSR (auth checks,
# /api/* rewrites). They default to localhost values that match `make dev` and
# `make start`, so most local users do not need to set them.
#
# Override only when the Gateway is not on localhost:8001 (e.g. when the
# frontend and gateway run on different hosts, in containers with a service
# alias, or behind a different port). docker-compose already sets these.
# DEER_FLOW_INTERNAL_GATEWAY_BASE_URL=http://localhost:8001
# DEER_FLOW_TRUSTED_ORIGINS=http://localhost:3000,http://localhost:2026
# ── Claude Code / Codex CLI subscription as a model provider (optional) ───────
# If you configure a ClaudeChatModel / Codex model provider (or an ACP agent)
# that reuses your CLI subscription login, prefer passing a token via env over
# bind-mounting your whole ~/.claude / ~/.codex into the container. The Gateway
# credential loader reads these first, so no directory mount is needed.
# CLAUDE_CODE_CREDENTIALS_PATH points at a single .credentials.json (Claude)
# rather than the whole dir. docker-compose.cli-auth.yaml is the opt-in
# directory-mount fallback for adapters that need the full CLI config.
# ACP adapters often take their own env API key (e.g. ANTHROPIC_API_KEY) and
# need no mount at all — check the adapter's docs. See SECURITY.md.
# CLAUDE_CODE_OAUTH_TOKEN=your-claude-code-oauth-token
# ANTHROPIC_AUTH_TOKEN=your-anthropic-auth-token
# CLAUDE_CODE_CREDENTIALS_PATH=/path/to/.claude/.credentials.json
# CODEX_AUTH_PATH=/path/to/codex/auth.json