"Services or tools available for free without requiring an API key" matching MCP servers:

Enables access to TikTok data without watermarks, including trending users, hashtags, post analytics, user profiles, and download links for specific countries. Supports searching by username, user ID, or post links.

Provides access to Douyin (TikTok China) API for searching videos, retrieving user profiles, posts, comments, music, challenges, live streams, and hot trends through the Douyin platform.

Enables posting, engaging, sending DMs, and reading your own account through the X API v2 with your developer App credentials, while public search remains on Grok's built-in tools.

MCP tool server that gives any AI agent the ability to search, scrape, and analyze content across the internet.

Enables WhatsApp messaging and management through the Evolution API, supporting sending texts, checking numbers, listing contacts and groups, and more.

Enables access to comprehensive LinkedIn data, including professional profile details, company information, and social engagement metrics. It supports searching for people, retrieving posts and comments, and fetching detailed experience, skills, and recommendations.

A lightweight toolkit that enables Claude to search Twitter with natural language queries and display results based on user intent, supporting features like tweet filtering, pagination, and flexible output formatting.

Enables AI agents to directly access SEO/SERP data, SMS verification, and social marketing tools, with per-call payment via x402 (USDC on Base).

Provides LinkedIn automation via a real browser session using your own cookie, enabling profile, company, job, and post search and reading, plus sending messages and connection requests with rate limiting.

Enables AI assistants to interact with the Post For Me API, allowing them to explore endpoints, make test requests, and use documentation to help integrate this SDK into your application.

A managed MCP server that gives AI agents 160+ typed LinkedIn tools for searching, connecting, messaging, and enriching profiles, with built-in account safety enforcement.

Enables AI agents to discover and fetch LinkedIn posts with engagement metrics (reactions, comments, shares) and author details, returning structured JSON per post.

MCP server exposing BuddyBoss REST API contracts grouped by category for activity, members, groups, messages, and more. Enables listing, searching, and exploring endpoints via natural language.

Enables interaction with Bilibili (哔哩哔哩) through its API, supporting video search and recommendations, user search, dynamic feeds, video collections, and danmaku retrieval through natural language.

An MCP server that lets AI assistants like Claude read LinkedIn data through your own logged-in browser session. Access profiles and companies, search for jobs, or get job details.

An MCP server that lets AI assistants like Claude read LinkedIn data through your own logged-in browser session. Access profiles and companies, search for jobs, or get job details.

Enables LinkedIn profile reads and post operations through a local-first MCP server, with OAuth token management and approval-friendly tools for OpenWorker.

Enables complete management of X (Twitter) accounts through a single API key, supporting functions like getting tweets, searching, generating and posting replies.

A local MCP server that exposes the X API (formerly Twitter API) as tools, enabling operations like posting, searching, user management, and more via natural language commands.

Read-only MCP server for the Sprout Social public API, exposing profile and post analytics as tools with raw JSON passthrough.