"Free PostgreSQL Database Solutions" matching MCP connectors:
Matching Connector Tools:
DEV.to MCP — wraps the DEV Community API (free, no auth for public reads)
Hosted MCP for X/Twitter and Reddit. 12 read-only tools, no API keys, free during beta.
Search 25,000+ meme templates and create shareable memes on memebo.at. Free, anonymous, no API key.
TipRanks for X finfluencers — scores who's actually right vs SPY. Free & anonymous, no key.
Imgflip MCP — wraps Imgflip API (free, no auth for template listing)
LinkedIn data for AI agents: structured profiles, people search, companies, and posts over MCP or REST. 500 free credits, no card.
Plan, schedule and publish social media posts across Instagram, Facebook, LinkedIn and X. An agent can read your content calendar and brand voice, find free posting slots that respect each project's minimum gap and its audience's prime-time windows, draft a separate post for each platform, and — with explicit opt-in and per-post confirmation — publish. 14 tools, each declaring whether it reads or writes. Docs: https://socialroute.net/mcp
Connect your marketing accounts to Claude with one OAuth sign-in. 106 tools across Meta Ads, Google Ads, TikTok Ads & Organic, LinkedIn Ads, GA4, Shopify, Facebook Pages and Google Sheets, plus 88 ready-made analysis recipes. Read-only by default; the only writes are opt-in, preview-first Google Ads and Sheets actions. Flat pricing, no AI credits — 14-day free trial.
Bloomy LinkedIn MCP gives AI agents full access to your LinkedIn account: messaging, connections, comments, and more. Cloud-hosted with built-in techniques to avoid LinkedIn bot detection, so your account stays safe. Free trial available at linkedin.bloomy.ai.
LinkedIn data for AI agents: search, profiles, companies, posts. Free key, self-minted, no signup.
Reddit posts, comments, subreddits, and search for AI agents. Free key, self-minted, no signup.
X (formerly Twitter) posts, profiles, and search for AI agents. Free key, self-minted, no signup.
X trending topics and discussion volume over time. Free key at trendsapi.ai
Cross-platform social trend signals from TikTok, YouTube, Reddit and X. Free key at trendsapi.ai
Find rising topics before they peak across search and social. Free key at trendsapi.ai
Track competitor brand demand across search, social and news. Free key at trendsapi.ai
Reddit discussion volume and subreddit growth over time. Free key at trendsapi.ai
TikTok hashtag volume over time, with growth for any hashtag. Free key at trendsapi.ai
Cross-platform social media intelligence. Trend volume and growth signals. Free key at trendsmcp.ai
Real-time LinkedIn, X (Twitter) and Reddit data for AI agents. Free key, self-minted, no signup.