"How to send POST requests using cURL from a local machine" matching MCP servers:

Minimal MCP server for sending messages to Poke via the inbound webhook.

Unofficial Sitecore Send MCP Server.

A local MCP server that lets Claude post to social media via upload-post.com — text, photos, and videos across 13 platforms.

Enables AI agents to send emails via Gmail using App Password authentication with Markdown content support.

Enables sending iMessages or SMS messages via the macOS Messages app using osascript. No Full Disk Access required, and never reads your message history.

An MCP server that lets you publish posts to your LinkedIn profile using the official LinkedIn API, with support for markdown formatting and OAuth authentication.

Enables AI agents to analyze whether they should send an email, evaluating passive aggression and regret probability with a recommendation heavily weighted toward no.

Enables sending and receiving emails through SMTP, IMAP, and POP3 protocols with support for attachments, HTML content, and email validation.

Enables agents to convert Markdown into WhatsApp-compatible formatting, including styled text, lists, and tables that fit a phone's monospace width.

A read-only MCP server that lets AI search and read both sides of a user's own LINE Desktop chat history on macOS using local database snapshots, without needing a LINE Official Account or altering unread state.

An MCP server that enables AI agents to pause and request human approval or information via Slack, Telegram, or macOS dialogs before proceeding with actions.

MCP server for AI agents to send notifications, copy to clipboard, request confirmations, and collect text input from users across their devices.

A read-only MCP server that enables searching and extracting to-dos from local macOS WeChat chat databases. It decrypts and queries local WeChat data without sending messages or modifying databases.

Connect Claude, Cursor, Windsurf and other AI agents to macOS native apps — Mail, Calendar, Contacts, Reminders, Notes, iMessage, Finder, Safari, OmniFocus, Microsoft Teams, Outlook, OneDrive, Word, Excel, PowerPoint, and PDF. 82 tools. All data stays on your Mac.

Provides over 1,000 creative ways to decline requests across four categories (polite, humorous, professional, and creative). The MCP server wraps a REST API to help users craft professional rejections through natural language interactions.

Connects AI agents to anonymous strangers for asking and answering questions in character.

Connect Claude to your personal Telegram account via MTProto to read messages, search chats, send replies, forward files, and more using your real account.

MCP server for qualifying and responding to inbound leads in seconds using a multi-agent AI pipeline.

Provides Claude with read-only access to your WhatsApp chat history entirely on your local machine, enabling natural language search, summarization, and retrieval of messages without sending data to the cloud.

Enables Claude Code to interact with Slack via MCP tools, allowing thinking steps, text streaming, status updates, and stream closure in Slack threads.