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版本数
在 OpenClaw 中安装
/install supercall
功能描述
Make AI-powered phone calls with custom personas and goals. Uses OpenAI Realtime API + Twilio for ultra-low latency voice conversations. Supports DTMF/IVR na...
安全使用建议
This plugin appears to do what it says — make AI-driven phone calls via Twilio using the OpenAI Realtime API. Before installing, consider: (1) This will require your OpenAI API key and Twilio credentials; rotate and scope keys where possible and monitor billing (real calls cost money). (2) Configure and protect the global hooks.token (the plugin will POST internal callbacks to your configured webhook URL). Treat that token as a secret. (3) The plugin performs webhook self-tests (POST and WebSocket checks) to the configured public URL — ensure that URL points to your infrastructure or trusted tunnel, not an attacker-controlled endpoint. (4) The npm install writes code to disk (normal for a plugin) — only install from sources you trust; verify the package publisher and repository if you need stronger assurance. (5) Set conservative limits (maxConcurrentCalls, maxDurationSeconds) and monitor transcripts/behavior — the AI can act autonomously during calls. If you'd like a narrower risk profile, consider using the provided mock provider for testing and validating configuration before enabling real calls.
功能分析
Type: OpenClaw Skill
Name: supercall
Version: 2.0.0
The skill is classified as suspicious due to its inherent high-risk capabilities and a potential vulnerability. It explicitly spawns external processes (`ngrok`, `tailscale` CLI binaries) for tunneling, opens a local HTTP server, makes outbound network requests to Twilio and OpenAI, and persists sensitive call transcripts to disk (`~/clawd/supercall-logs`). While these actions are documented and necessary for its stated purpose of AI-powered phone calls, the `src/manager.ts` file contains a self-test mechanism that sends an internal `selfTestSecret` to the configured `publicUrl`. If `publicUrl` is misconfigured to an unintended external endpoint, this secret could be unintentionally exfiltrated, representing a vulnerability. There is no clear evidence of intentional malicious behavior such as unauthorized data exfiltration, backdoors, or prompt injection against the OpenClaw agent itself; the internal prompts are designed to guide the AI model's behavior during calls.
能力评估
Purpose & Capability
Name/description (AI phone calls, DTMF/IVR, Twilio + OpenAI Realtime) align with required env vars (OPENAI_API_KEY, TWILIO_ACCOUNT_SID, TWILIO_AUTH_TOKEN), code files implement Twilio provider, realtime conversation, DTMF generation, and webhook handling. Requesting a tunnel binary (ngrok/tailscale) is consistent with needing a public webhook URL for media streams.
Instruction Scope
SKILL.md and code limit runtime actions to initiating calls, managing WebSocket media streams, verifying webhooks, generating DTMF tones, persisting call logs, and invoking call-completion callbacks. The instructions do not direct the agent to read unrelated secrets or system files beyond normal config paths (user home for logs). Webhook self-tests perform POSTs to the configured public webhook URL (expected behavior for reachability checks).
Install Mechanism
Install spec is an npm package (@xonder/supercall) — a standard, expected mechanism for a Node-based OpenClaw plugin. This is moderate risk compared to an instruction-only skill (because code is installed on disk), but appropriate and proportional for the functionality. There are no downloads from arbitrary URLs or extract-from-URL steps.
Credentials
Requested env vars (OPENAI_API_KEY as primary, TWILIO_ACCOUNT_SID, TWILIO_AUTH_TOKEN) are directly required for the stated functionality. NGROK_AUTHTOKEN is optional per SKILL.md. The skill uses process.env.HOME for log storage (normal). No unrelated credentials or broad secrets are requested.
Persistence & Privilege
The plugin does not request always:true and registers as a normal user-invocable plugin. It persists its own call logs under a path in the user's home and requires a hooks token in OpenClaw config for callbacks — these are normal installation/runtime behaviors and limited in scope.
如何使用
- 确保已安装 OpenClaw（本地或 Docker 部署）
- 在对话框中输入安装命令：
/install supercall - 安装完成后，直接呼叫该 Skill 的名称或使用
/supercall触发 - 根据 Skill 的参数说明提供必要输入，即可获得结构化输出
版本历史
v2.0.0
SuperCall 2.0.0 — adds AI-powered DTMF/IVR phone menu navigation
- AI can now generate and inject DTMF (touch-tone) digits to autonomously navigate automated phone menus (IVR systems).
- New DTMF/IVR navigation feature is fully automatic; no extra setup required for agents or users.
- Updated documentation to reflect DTMF/IVR support and explain character/code options.
- Significant internal refactor: removed core-bridge.ts/provider index, added dtmf.ts module.
- No breaking changes to existing persona calling or realtime features.
v1.3.2
- Improved webhook verification for Twilio to better handle signature mismatches on ngrok free-tier domains.
- Security logic relaxed for webhook requests from `.ngrok-free.app` and `.ngrok.io` domains to allow through signature mismatches, matching actual domain rewriting behavior.
- No changes to user-facing API or configuration.
v1.3.1
- Updated credential requirements to clarify that ngrok credentials are optional and only needed if using ngrok as a tunnel provider
- Installation instructions and requirements are unchanged
- Metadata changed to support either ngrok or tailscale for tunneling (`anyBins` instead of just `ngrok`)
- Noted that the plugin may use ngrok or tailscale CLI, and explained how process spawning, networking, and webhook verification works for each
- Expanded security notes into a dedicated "Runtime Behavior and Security" section detailing process spawning, network listeners, self-tests, webhook verification, and data storage practices
- Clarified best practices around protecting credentials, verifying tunnel config, and managing logs
v1.3.0
Supercall 1.3.0 introduces expanded credential support, improved documentation, and adds project files for better development workflow.
- Added explicit credential requirements and environment variable support for OpenAI, Twilio, and ngrok in documentation
- Updated SKILL.md with a new “Credentials Required” section and detailed security notes
- Expanded metadata to declare required environment variables and binaries
- Added developer project files: .gitignore, .npmignore, and LICENSE for improved code management and distribution
v1.2.0
- Added detailed documentation outlining new features, installation, configuration, and usage instructions.
- Introduced persona-based autonomous AI phone calls using OpenAI Realtime API and Twilio.
- Enabled ultra-low latency (<1s) bidirectional voice conversations and streaming audio over WebSocket.
- Added support for multiple actions: persona_call, get_status, end_call, and list_calls.
- Improved security by isolating gateway agent access compared to the standard voice_call plugin.
- Provided mock provider support for testing, alongside comprehensive configuration options.
元数据
常见问题
Supercall 是什么？
Make AI-powered phone calls with custom personas and goals. Uses OpenAI Realtime API + Twilio for ultra-low latency voice conversations. Supports DTMF/IVR na... 它是一个面向 Claude Code / OpenClaw 的 AI Agent Skill 插件，目前累计下载 1956 次。
如何安装 Supercall？
在 OpenClaw 或 Claude Code 对话框中运行命令「/install supercall」即可一键安装，无需额外配置。
Supercall 是免费的吗？
是的，Supercall 完全免费（开源免费），可自由下载、安装和使用。
Supercall 支持哪些平台？
Supercall 跨平台运行，可在任意部署了 OpenClaw / Claude Code 的环境中使用（cross-platform）。
谁开发了 Supercall？
由 xonder（@xonder）开发并维护，当前版本 v2.0.0。
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