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Free master-router Agent Skills for coding, marketing, BI, security, and finance agents.

Provides access to information about free games on the Epic Games Store.

MergePNG.org merges multiple PNG images into a single file online for free. Drop your images, set the order and layout, and download the combined PNG instantly. No signup, no watermark, browser-based.

Make printable labels from chat (text, barcodes, QR codes, Zebra ZPL, DYMO/Brother/Rollo/Avery templates, CSV batches) and get back a preview plus an editor link. Free, no signup, no auth.

Free MCP tools for prompt-injection test inputs, OWASP LLM risk mapping, AI release planning, and custom response test-pack creation for PromptBrake CI.

https://github.com/youdotcom-oss/dx-toolkitReal-time web search, URL content extraction, and cited multi-source research from You.com's production search index. Free keyless tier available.

Create cinematic video with the Seedance 2.5 AI video generator on SeedGen — up to 30 seconds, 480p or 720p output, and up to 50 mixed references.

Run technical SEO audits from MCP-compatible AI assistants and developer workflows. SiteAnalyzerFree offers a quick website checkup for as little as $0.075 per report and a full SEO audit for $39, returning structured findings and report links. Requires a SiteAnalyzerFree account and sufficient prepaid credit.

Is your domain taken or free? Instantly check registration status and DNS records via RDAP. Bulk check domains or upload CSV.

MCP server that enables AI agents to publish and manage content on Write.as and self-hosted WriteFreely instances.

Tools on Base via the Coinbase CDP x402 facilitator. Agents pay per request in USDC — settled on-chain in seconds. No API keys to provision, no subscriptions to manage.

Free MCP that drives an audit of your marketing. Your AI connects, adsOS digs through your ads, email and site, and hands back a growth plan you can run today.

Free AI visibility and GEO check for any website: whether AI crawlers (GPTBot, OAI-SearchBot, ClaudeBot, PerplexityBot, Google-Extended) can read it, technical readiness for AI search, and the latest public report of brand mentions and citations in ChatGPT, Gemini and Perplexity. Remote, no API key, read-only.

Free sound effects, music and ambience for games, videos and apps. Search by mood, tempo, key or use, play previews and download full-quality files, each with 35 metadata fields.

Remote MCP server for 42min online scheduling. Find open slots, book, reschedule and cancel meetings, manage availability, recurring meetings, meeting polls, routing forms and event types from Claude, ChatGPT, Cursor or any MCP client. OAuth or personal access token. Completely free.

Bring agent evaluations, observability, and synthetic test set generation directly into your IDE for free with Galileo's new MCP server

Cited compliance, legal & security intelligence for AI agents — 300+ law, regulation and standards corpora (GDPR, NIS2, AI Act, DORA) with article-level citations, plus live CVE/KEV/EPSS vulnerability context. OAuth remote server, free tier

Real-time Amazon data API built for AI agents. 200M+ products, 1B+ reviews, live BSR, pricing, and competitor data as clean JSON. 10 agent skills for market research, competitor monitoring, pricing, listing audits, and more. 1,000 free credits.

Run free live audience Q&A and polls from your agent: start an AskOne room, add and launch a poll, approve or hide questions and mark them answered, close the room, then read the questions as a FAQ draft and get the results. Free AI moderation (optional). Uses an organization API token from askone.org

Ask Google Search Console in plain language. Hosted, free, no Google Cloud project.

1GB Free Trial, World's Leading Proxy Service Platform, Efficient Data Collection

Decode any US-market VIN, check NHTSA recalls, and look up verified buyer-paid car prices. Free, no auth.

CourtListener is Free Law Project's legal research platform for U.S. court opinions, PACER dockets, judge profiles, oral arguments, and citation data. Its connector grounds assistants in primary legal records while supporting citation checks and docket-aware research.

Read-only public Instagram data as JSON: profiles, posts, reels, stories, comments and daily top-accounts charts. Free plan with 50 credits a month.

Convert files (DOCX, XLSX, PPTX, images), HTML, and Markdown to pixel-perfect PDFs — npx stdio or hosted Streamable HTTP, free API key in one click.

Discover and book free walking tours and activities in 200+ cities worldwide. Search destinations, browse categories, check real-time availability, and get tour details.

A free, private, and secure remote MCP server for Home Assistant.

LinkedIn Ads MCP for B2B teams. Ask Claude or ChatGPT about your LinkedIn ad performance, identified website visitors and CRM pipeline (HubSpot, Salesforce, Attio) in one place: campaign and account-level engagement, influenced revenue, pacing checks and benchmark comparisons. Read-only: it analyzes and recommends, never changes your campaigns. Hosted remote server with OAuth. 30-day free trial, no card required.

Persistent memory for AI agents. Store and retrieve files via 14 MCP tools with OAuth 2.0 auth. Free 10GB tier.

Nitrosend's official remote MCP server. Your agent drafts campaigns, builds automation flows, segments contacts and sends transactional email from Claude, ChatGPT, Cursor or Codex. OAuth, free plan.