"Free and open-source coding assistants" matching MCP servers:

Enables AI assistants to self-host MCP connectors for managing Meta platforms such as Facebook Pages, Instagram, Threads, Ads Manager, and Commerce, with tools for publishing, engagement, analytics, ad campaigns, and competitor research.

Enables AI assistants to perform marketing risk inspection, sensitive-word detection, and anti-ban rewriting suggestions for content on platforms like Goofish, Xiaohongshu, and Reddit.

A self-hosted WhatsApp gateway that exposes messaging capabilities via MCP, allowing AI agents to send, receive, and manage WhatsApp messages through a single-command setup with SQLite storage.

Free Remotion video templates, creative guides and render diagnostics. No API key for local tools; optional paid hosted Studio workflows. Start with get_capabilities.

Enables users to search Reddit by keyword or subreddit, read thread URLs with comments, filter and sort results, and receive flat post and comment rows without needing a Reddit login or API key.

Enables AI assistants to interact with LinkedIn and LinkedIn Sales Navigator for searching profiles, managing leads, and handling messaging via cookie-based authentication. It supports professional networking tasks such as sending connection requests and retrieving account details through the Model Context Protocol.

Real-time LinkedIn, X (Twitter) and Reddit data for AI agents: profiles, companies, people search, tweets, subreddits, and search. Free start: self-mint a key in one call, no signup, no card.

Live Elon Musk & Ted Cruz tweet feed, real-time tweet counters, and market data for Polymarket's tweet-count markets. Hosted remote server (streamable-http at https://polystrike.xyz/mcp); free tier is keyless.

A compliance-first MCP server for Bilibili that provides read-only access to authorized user and video data through the official open platform API.

A dependency-free MCP server that reads Reddit through its RSS feeds, enabling search, browsing subreddits, and reading post comments without any API keys or authentication.

MCP server that extracts and downloads TikTok, Instagram, YouTube, and Douyin media (HD video, MP3) directly to local disk via the Ssave Open API.

Free MCP server for fetching social media metrics (views, likes, comments) from public post URLs across YouTube, Twitter, TikTok, and Instagram. No API key needed.

MCP server for LinkedIn publishing from AI coding assistants. Dry run by default, SKILL.md for safe workflows, 28 unit tests. MIT licensed.

Check and fix link previews from your agent: scan any URL for Open Graph problems, generate on-brand OG images, create short links with their own preview, and read link stats. Needs a Shareglow API key (free plan): https://app.getshareglow.com/developer

TikTok creator toolkit for AI assistants. Four tools: download watermark-free videos by URL, look up curated 15-hashtag sets for 15 niches with strategy tips, retrieve best posting times for 12 countries, and generate viral hook formulas across 8 categories. Stdio transport, runs via npx -y tiktapdown-mcp, no API keys, no signup, free. MIT license.

Enables read-only research on public X data through tools for posts, threads, profiles, search, trends, collections, and saved-result analysis using free public APIs and optional sessions.

Enables AI assistants to retrieve YouTube channel overviews, Studio analytics, video performance, traffic source breakdowns, and comments for sentiment analysis using natural language prompts.

MCP server that lets AI agents cross-post content to Telegram, Discord, Mastodon, Bluesky, and Reddit — using free APIs only.

A free MCP server for growing Discord communities, offering tools to search public servers, analyze engagement, and draft messages, with optional premium AI features powered by DeepSeek.

Maps any source asset (e.g., long video, podcast, blog) to all platform formats (TikTok, Reels, Shorts, etc.) with per-platform adaptation rules, enabling a 'film-once-cut-many' content workflow.