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Agent skill

Send Sms Textbelt

by gooseworks-ai in gooseworks-ai/goose-skills

Send SMS text messages to phone numbers. An agent skill from gooseworks-ai/goose-skills.

MITAuto-check passedProductivity & Automation

Install Send Sms Textbelt

skills CLI
$ npx skills add gooseworks-ai/goose-skills --skill send-sms-textbelt -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install gooseworks-ai/goose-skills send-sms-textbelt --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/gooseworks-ai/goose-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/outreach/capabilities/send-sms-textbelt .claude/skills/send-sms-textbelt && rm -rf skills-src

Use ~/.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/

Facts

Skill name
send-sms-textbelt
GitHub stars
1.2k
Used in
1 other repo
Token cost
~733 tokens
SKILL.md length
243 words
Files
2
Skills in repo
273
Repo updated
First seen
Licence
MIT

At a glance

Send SMS text messages to phone numbers. An agent skill from gooseworks-ai/goose-skills.

  • Works in 3 steps: Gather Info → Send the Message → Confirm Delivery
  • The user asks to send a text
  • SKILL.md covers Setup, Workflow, Response and Constraints, plus 2 more sections
  • Calls python3, curl and npx; reaches api.gooseworks.ai; needs GOOSEWORKS_API_KEY

What it does

Send Sms Textbelt is an agent skill from gooseworks-ai/goose-skills. Send SMS text messages to phone numbers. Use when the user asks to send a text, send an SMS, text someone, message a phone number, or send a notification via text message.

Its SKILL.md is about 730 tokens, which your agent loads only when the skill is triggered. The skill folder holds 1 other file (for example `skill.meta.json`).

It sits in Productivity & Automation, covering Messaging and chat bots. The repository describes itself as: Library of Growth & GTM skills + data APIs for Claude Code, Codex, Cursor to run ads, social, content, lead gen, seo and data scraping. The licence is MIT.

When your agent uses it

  • The user asks to send a text
  • Message a phone number
  • Send a notification via text message

Example prompts

  • “/send-sms-textbelt”

Requirements

  • Python 3
  • Node.js
  • A credential in GOOSEWORKS_API_KEY

Workflow steps

3 steps, taken from the step headings in SKILL.md.

  1. Gather Info
  2. Send the Message
  3. Confirm Delivery

What it can do on your machine

Read from SKILL.md and the folder at commit c650c6d. 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

    Shell commands in SKILL.md call:

    • python3
    • curl
    • npx

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    Hosts in commands or code, which the agent is likely to contact:

    • api.gooseworks.ai

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names these keys or tokens, usually read from environment variables:

    • GOOSEWORKS_API_KEY

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Send Sms Textbelt loads about 733 tokens when it runs. Until then it costs about 47 tokens; SKILL.md has 243 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~47
When it runs · the whole SKILL.md, loaded when a task matches
~733

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 gooseworks-ai/goose-skills at commit c650c6d, republished under its MIT licence (© gooseworks-ai). 243 words, ~733 tokens.

Download SKILL.mdSave it as .claude/skills/send-sms-textbelt/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
send-sms-textbelt
description
Send SMS text messages to phone numbers. Use when the user asks to send a text, send an SMS, text someone, message a phone number, or send a notification via text message.
source
orthogonal

Send Text Message

Setup

Read your credentials from ~/.gooseworks/credentials.json:

bash
export GOOSEWORKS_API_KEY=$(python3 -c "import json;print(json.load(open('$HOME/.gooseworks/credentials.json'))['api_key'])")
export GOOSEWORKS_API_BASE=$(python3 -c "import json;print(json.load(open('$HOME/.gooseworks/credentials.json')).get('api_base','https://api.gooseworks.ai'))")

If ~/.gooseworks/credentials.json does not exist, tell the user to run: npx gooseworks login

All endpoints use Bearer auth: -H "Authorization: Bearer $GOOSEWORKS_API_KEY"

Send SMS messages via the Textbelt API on Orthogonal.

Workflow

Step 1: Gather Info

Ask the user for:

  • Phone number (required) - US/Canada: 10-digit with area code. International: E.164 format (e.g., +44...)
  • Message (required) - Max 800 characters. No URLs allowed.
Step 2: Send the Message
bash
curl -s -X POST $GOOSEWORKS_API_BASE/v1/proxy/orthogonal/run \
  -H "Authorization: Bearer $GOOSEWORKS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"api":"textbelt","path":"/text"}'
  "phone": "<phone_number>",
  "message": "<message_text>"
}'
Step 3: Confirm Delivery

The response includes a textId. Use it to check delivery status:

bash
curl -s -X POST $GOOSEWORKS_API_BASE/v1/proxy/orthogonal/run \
  -H "Authorization: Bearer $GOOSEWORKS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"api":"textbelt","path":"/status/{textId}"}'

This endpoint is free.

Response

Send Response (/text)
  • success (boolean) - true if message was queued
  • textId (string) - Message ID for delivery tracking (only on success)
  • quotaRemaining (integer) - Remaining SMS credits
  • error (string) - Error message (only on failure)
Status Response (/status/{textId})
  • status (string) - DELIVERED, SENDING, FAILED, or UNKNOWN

Constraints

  • Max 800 characters per message
  • No URLs in message text
  • Sender name is optional and not visible to the recipient in most countries

Optional Parameters

When sending, you can also include:

  • sender (string) - Business/org name for regulatory purposes
  • replyWebhookUrl (string) - US only: URL to receive reply webhooks
  • webhookData (string) - Extra data passed to webhook (max 100 chars)

Error Handling

  • success: false with error field describes the issue (e.g., invalid phone number, insufficient credits)
  • US/Canada numbers only work from US/Canada IP region
  • International numbers require E.164 format (e.g., +44...)
  • Messages containing URLs are rejected — use descriptions instead
  • Max 800 characters — longer messages are rejected, not truncated

© gooseworks-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

SKILL.md and 1 other file in skills/outreach/capabilities/send-sms-textbelt of gooseworks-ai/goose-skills.

  • SKILL.md
  • skill.meta.json

Open the folder on GitHubat commit c650c6d

Used in 1 other repository

We found 1 copy of this SKILL.md (exact, near-identical or edited) in other folders, from 1 other GitHub owner. This page covers the copy in gooseworks-ai/goose-skills, which our catalogue first saw on October 9, 2026.

Compare with similar skills

Send Sms Textbelt 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.

Send Sms Textbelt compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Send Sms Textbelt this skillgooseworks-ai/goose-skills1.2k1 repos~733Automated safety check: PassMIT
Feishu Docopenclaw/openclaw392k—~516Automated safety check: PassMIT
She Love Me863401402/she-love-me9311 repos~1.3kAutomated safety check: PassMIT
Feishu Docraucvr/Group-Goki1123 repos~592Automated safety check: PassMIT
Wechat Article Extractorfreestylefly/wechat-article-extractor-skill1361 repos~1kAutomated safety check: PassNone
Wechat Miniprogram Builderchenjin-cmd/wechat-miniprogram-builder356—~634Automated safety check: PassMIT

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Categories

Questions about Send Sms Textbelt

What does Send Sms Textbelt do?

Send SMS text messages to phone numbers. An agent skill from gooseworks-ai/goose-skills. Send Sms Textbelt is an agent skill from gooseworks-ai/goose-skills. Send SMS text messages to phone numbers.

When should I use Send Sms Textbelt?

Send Sms Textbelt fits situations like: the user asks to send a text; message a phone number; send a notification via text message.

How do I install Send Sms Textbelt in Claude Code?

Run `npx skills add gooseworks-ai/goose-skills --skill send-sms-textbelt -a claude-code`. Or copy the skill folder (skills/outreach/capabilities/send-sms-textbelt in gooseworks-ai/goose-skills) into .claude/skills/send-sms-textbelt in your project. Claude Code loads it when a task matches its description.

How do I install Send Sms Textbelt in Codex?

Run `npx skills add gooseworks-ai/goose-skills --skill send-sms-textbelt -a codex`. Or copy the skill folder (skills/outreach/capabilities/send-sms-textbelt in gooseworks-ai/goose-skills) into .agents/skills/send-sms-textbelt in your project. Codex loads it when a task matches its description.

Can I use Send Sms Textbelt 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 gooseworks-ai/goose-skills --skill send-sms-textbelt -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/send-sms-textbelt, .gemini/skills/send-sms-textbelt, .github/skills/send-sms-textbelt and .opencode/skills/send-sms-textbelt in your project.

What does Send Sms Textbelt need to run?

Going by SKILL.md and its folder, Send Sms Textbelt needs the command-line tools its instructions call (python3, curl and npx) and credentials named GOOSEWORKS_API_KEY. Our summary lists: Python 3; Node.js; A credential in GOOSEWORKS_API_KEY.

Does Send Sms Textbelt access the network?

SKILL.md names 1 domain. In commands or code: api.gooseworks.ai; the agent is likely to contact it when it follows the instructions. This is read from the text; nothing was executed.

Is Send Sms Textbelt 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 Send Sms Textbelt use?

Send Sms Textbelt 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 Send Sms Textbelt use?

About 733 tokens (SKILL.md is roughly 2.9k 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 Send Sms Textbelt?

Skills that share tags, products or a category with Send Sms Textbelt: Feishu Doc (openclaw/openclaw, 392k stars), She Love Me (863401402/she-love-me, 931 stars), Feishu Doc (raucvr/Group-Goki, 112 stars) and Wechat Article Extractor (freestylefly/wechat-article-extractor-skill, 136 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Send Sms Textbelt?

gooseworks-ai (a GitHub organization) maintains it in gooseworks-ai/goose-skills, which has 1,240 GitHub stars. The repository holds 273 skills in this directory. The repository was last updated on October 8, 2026.

Source: gooseworks-ai/goose-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.