Phone
BlockRunAI/ClawRouter
Verify phone numbers (carrier + SIM-swap fraud signals) and place AI-powered outbound voice calls via BlockRun's gateway (Twilio + Bland.ai).
Start voice calls via the Bitterbot voice-call plugin. An agent skill from Bitterbot-AI/bitterbot-desktop.
MITAuto-check passed
Install Voice Call
$ npx skills add Bitterbot-AI/bitterbot-desktop --skill voice-call -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install Bitterbot-AI/bitterbot-desktop voice-call --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/Bitterbot-AI/bitterbot-desktop.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/voice-call .claude/skills/voice-call && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "voice-call" agent skill from https://github.com/Bitterbot-AI/bitterbot-desktop/tree/main/skills/voice-call into .claude/skills/voice-call/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "voice-call", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/Bitterbot-AI/bitterbot-desktop/tree/main/skills/voice-callType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add Bitterbot-AI/bitterbot-desktop --skill voice-call -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install Bitterbot-AI/bitterbot-desktop voice-call --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/Bitterbot-AI/bitterbot-desktop.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/voice-call .agents/skills/voice-call && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "voice-call" agent skill from https://github.com/Bitterbot-AI/bitterbot-desktop/tree/main/skills/voice-call into .agents/skills/voice-call/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "voice-call", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add Bitterbot-AI/bitterbot-desktop --skill voice-call -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install Bitterbot-AI/bitterbot-desktop voice-call --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/Bitterbot-AI/bitterbot-desktop.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/voice-call .cursor/skills/voice-call && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "voice-call" agent skill from https://github.com/Bitterbot-AI/bitterbot-desktop/tree/main/skills/voice-call into .cursor/skills/voice-call/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "voice-call", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/Bitterbot-AI/bitterbot-desktop.git --path skills/voice-call--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add Bitterbot-AI/bitterbot-desktop --skill voice-call -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install Bitterbot-AI/bitterbot-desktop voice-call --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/Bitterbot-AI/bitterbot-desktop.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/voice-call .gemini/skills/voice-call && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "voice-call" agent skill from https://github.com/Bitterbot-AI/bitterbot-desktop/tree/main/skills/voice-call into .gemini/skills/voice-call/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "voice-call", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install Bitterbot-AI/bitterbot-desktop voice-callInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add Bitterbot-AI/bitterbot-desktop --skill voice-call -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/Bitterbot-AI/bitterbot-desktop.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/voice-call .github/skills/voice-call && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "voice-call" agent skill from https://github.com/Bitterbot-AI/bitterbot-desktop/tree/main/skills/voice-call into .github/skills/voice-call/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "voice-call", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add Bitterbot-AI/bitterbot-desktop --skill voice-call -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install Bitterbot-AI/bitterbot-desktop voice-call --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/Bitterbot-AI/bitterbot-desktop.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/voice-call .opencode/skills/voice-call && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "voice-call" agent skill from https://github.com/Bitterbot-AI/bitterbot-desktop/tree/main/skills/voice-call into .opencode/skills/voice-call/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "voice-call", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
voice-call- GitHub stars
- 2.5k
- Token cost
- ~291 tokens
- SKILL.md length
- 75 words
- Files
- 1
- Skills in repo
- 17
- Repo updated
- First seen
- Licence
- MIT
At a glance
Start voice calls via the Bitterbot voice-call plugin. An agent skill from Bitterbot-AI/bitterbot-desktop.
- SKILL.md covers CLI and Tool
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Voice Call is an agent skill from Bitterbot-AI/bitterbot-desktop. Start voice calls via the Bitterbot voice-call plugin.
Its SKILL.md is about 290 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.
It works with Twilio. The repository describes itself as: Bitterbot - a mesh of agents that turns shared experience into collective capability. The licence is MIT.
Example prompts
- “/voice-call”
What it can do on your machine
Read from SKILL.md and the folder at commit cd4562a. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md (its code samples are bash).
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Voice Call loads about 291 tokens when it runs. Until then it costs about 16 tokens; SKILL.md has 75 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
SKILL.md
The full file from Bitterbot-AI/bitterbot-desktop at commit cd4562a, republished under its MIT licence (© Bitterbot-AI). 75 words, ~291 tokens.
Download SKILL.mdSave it as
.claude/skills/voice-call/SKILL.md (or your agent's skills folder).- name
- voice-call
- description
- Start voice calls via the Bitterbot voice-call plugin.
Voice Call
Use the voice-call plugin to start or inspect calls (Twilio, Telnyx, Plivo, or mock).
CLI
bitterbot voicecall call --to "+15555550123" --message "Hello from Bitterbot"
bitterbot voicecall status --call-id <id>Tool
Use voice_call for agent-initiated calls.
Actions:
initiate_call(message, to?, mode?)continue_call(callId, message)speak_to_user(callId, message)end_call(callId)get_status(callId)
Notes:
- Requires the voice-call plugin to be enabled.
- Plugin config lives under
plugins.entries.voice-call.config. - Twilio config:
provider: "twilio"+twilio.accountSid/authToken+fromNumber. - Telnyx config:
provider: "telnyx"+telnyx.apiKey/connectionId+fromNumber. - Plivo config:
provider: "plivo"+plivo.authId/authToken+fromNumber. - Dev fallback:
provider: "mock"(no network).
© Bitterbot-AI, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
Just SKILL.md in skills/voice-call of Bitterbot-AI/bitterbot-desktop.
Open the folder on GitHubat commit cd4562a
Compare with similar skills
Voice Call next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Voice Call this skillBitterbot-AI/bitterbot-desktop | 2.5k | — | ~291 | Automated safety check: Pass | MIT | |
| PhoneBlockRunAI/ClawRouter | 6.6k | — | ~2.4k | Automated safety check: Pass | MIT | |
| Smscoreyhaines31/marketingskills | 54k | 1 repos | ~4.6k | Automated safety check: Pass | MIT | |
| Breach Patternsbriiirussell/cybersecurity-skills | 413 | — | ~3.5k | Automated safety check: Notes | MIT | |
| Brigade Voice Callsspinabot/brigade | 11k | — | ~288 | Automated safety check: Pass | MIT | |
| Twilio Communicationsdavila7/claude-code-templates | 33k | 5 repos | ~2.3k | Automated safety check: Pass | MIT |
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Breach Patterns
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Learn from public breach disclosures — extract the audit question each one implies and check your own stack.
Brigade Voice Calls
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Starts and inspects phone calls through the Brigade voice-call plugin, using a CLI command or the voice_call tool, with Twilio, Telnyx, Plivo or a mock provider.
Twilio Communications
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Build communication features with Twilio: SMS messaging, voice calls, WhatsApp Business API, and user verification (2FA).
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Start voice calls via the OpenClaw voice-call plugin. An agent skill from trpc-group/trpc-agent-go.
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Related
Works with
Questions about Voice Call
What does Voice Call do?
Start voice calls via the Bitterbot voice-call plugin. An agent skill from Bitterbot-AI/bitterbot-desktop. Voice Call is an agent skill from Bitterbot-AI/bitterbot-desktop. Start voice calls via the Bitterbot voice-call plugin.
How do I install Voice Call in Claude Code?
Run `npx skills add Bitterbot-AI/bitterbot-desktop --skill voice-call -a claude-code`. Or copy the skill folder (skills/voice-call in Bitterbot-AI/bitterbot-desktop) into .claude/skills/voice-call in your project. Claude Code loads it when a task matches its description.
How do I install Voice Call in Codex?
Run `npx skills add Bitterbot-AI/bitterbot-desktop --skill voice-call -a codex`. Or copy the skill folder (skills/voice-call in Bitterbot-AI/bitterbot-desktop) into .agents/skills/voice-call in your project. Codex loads it when a task matches its description.
Can I use Voice Call in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add Bitterbot-AI/bitterbot-desktop --skill voice-call -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/voice-call, .gemini/skills/voice-call, .github/skills/voice-call and .opencode/skills/voice-call in your project.
What does Voice Call need to run?
SKILL.md names no scripts, command-line tools or credentials: Voice Call is instructions for the agent only.
Does Voice Call access the network?
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Is Voice Call safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
What licence does Voice Call use?
Voice Call is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Voice Call use?
About 291 tokens (SKILL.md is roughly 1.2k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
What are the alternatives to Voice Call?
Skills that share tags, products or a category with Voice Call: Phone (BlockRunAI/ClawRouter, 6.6k stars), Sms (coreyhaines31/marketingskills, 54k stars), Breach Patterns (briiirussell/cybersecurity-skills, 413 stars) and Brigade Voice Calls (spinabot/brigade, 11k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Voice Call?
Bitterbot-AI (a GitHub organization) maintains it in Bitterbot-AI/bitterbot-desktop, which has 2,469 GitHub stars. The repository holds 17 skills in this directory. The repository was last updated on October 9, 2026.
Source: Bitterbot-AI/bitterbot-desktop on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.