https://devanimecx.github.io/free-ai-agent-stack/ Free LLM APIs, MCP servers, agent tools, free tiers and agent skills as they are re-verified. 384 entries, 222 needing no credit card. Maintained by Adarsh Kushwah (Dev Animecx). en Thu, 24 Sep 2026 18:10:24 GMT Data CC BY 4.0 — Adarsh Kushwah (Dev Animecx) Adarsh Kushwah Adarsh Kushwah free-ai-agent-stack https://devanimecx.github.io/free-ai-agent-stack/skills/#notion-api https://devanimecx.github.io/free-ai-agent-stack/skills/#notion-api Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Drives a Notion workspace through the REST API with curl and jq rather than a vendor SDK or connector: query a database, create and update pages, and walk blocks, from any agent that can run shell commands. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#a11y-audit https://devanimecx.github.io/free-ai-agent-stack/skills/#a11y-audit Thu, 24 Sep 2026 09:00:00 GMT Agent Skills An accessibility audit pipeline over WCAG 2.2 Level A and AA: scan, fix and verify, with per-framework fix code and a compliance report. Covers React, Next.js, Vue, Angular, Svelte and plain HTML, and can run the checks in CI. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#alirezarezvani-claude-skills https://devanimecx.github.io/free-ai-agent-stack/skills/#alirezarezvani-claude-skills Thu, 24 Sep 2026 09:00:00 GMT Agent Skills A large community skill library spanning engineering, marketing, product, compliance, finance and C-level advisory work — 388 skills plus custom agents, commands and references, installable across a dozen coding agents. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#figma-skills https://devanimecx.github.io/free-ai-agent-stack/skills/#figma-skills Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Figma's own skill pack for working with design files through its MCP server — implementing designs as code, connecting components with Code Connect, generating design libraries and diagrams, and building Figma slides, FigJam boards, shaders and motion. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#exa-contents https://devanimecx.github.io/free-ai-agent-stack/skills/#exa-contents Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Calls the Exa Contents endpoint with cURL or raw HTTP when an agent already has URLs and needs page text, highlights, summaries, links, subpages or per-URL status without an SDK. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#browse-sh https://devanimecx.github.io/free-ai-agent-stack/skills/#browse-sh Thu, 24 Sep 2026 09:00:00 GMT Agent Skills An open catalogue of browser-automation skills keyed by site: each entry names a domain, a skill and the method that reaches it, so an agent can ask what is already known about a site before writing a scraper from scratch. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#browserbase-skills https://devanimecx.github.io/free-ai-agent-stack/skills/#browserbase-skills Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Browserbase's official skills for reaching the web from an agent — search without a browser session, fetch a URL, drive a full browser, convert a browser flow into an API call, trace sessions, run adversarial UI tests and research a company. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#vercel-agent-skills https://devanimecx.github.io/free-ai-agent-stack/skills/#vercel-agent-skills Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Vercel's official skills for React and Next.js work and for shipping to Vercel: React best practices, composition patterns, view transitions, React Native, deployment, optimising cost and performance, plus web design and writing guidelines. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#crewai-skills https://devanimecx.github.io/free-ai-agent-stack/skills/#crewai-skills Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Official CrewAI skills for building multi-agent systems — agent and task design, project scaffolding, and a docs-aware helper for framework questions. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-plugins https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-plugins Thu, 24 Sep 2026 09:00:00 GMT Agent Skills OpenAI's current home for Codex skills and plugins — 62 plugin packages holding 536 skills, from first-party tooling to integrations published by Adobe, Atlassian, Canva, Cloudflare, Datadog, Figma, GitHub, Linear, Notion, Sentry, Stripe, Supabase, Vercel and more. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#clawhub-threat-modeling https://devanimecx.github.io/free-ai-agent-stack/skills/#clawhub-threat-modeling Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Structured threat modelling with STRIDE, attack trees and risk scoring to find and prioritise threats in a system design. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#clawhub-refactoring https://devanimecx.github.io/free-ai-agent-stack/skills/#clawhub-refactoring Thu, 24 Sep 2026 09:00:00 GMT Agent Skills A deep refactoring workflow built on characterisation tests, small incremental steps, behaviour preservation and verification after each step. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#clawhub-code-review https://devanimecx.github.io/free-ai-agent-stack/skills/#clawhub-code-review Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Reviews a diff the way a careful colleague does, separating correctness problems from style preferences. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#clawhub-systematic-debugging https://devanimecx.github.io/free-ai-agent-stack/skills/#clawhub-systematic-debugging Thu, 24 Sep 2026 09:00:00 GMT Agent Skills A staged debugging methodology: reproduce, isolate, hypothesise, then verify — instead of pattern-matching on the first plausible cause. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#clawhub-agent-guardrails https://devanimecx.github.io/free-ai-agent-stack/skills/#clawhub-agent-guardrails Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Implements guardrails for an agent — what it may do unattended and where it must stop and ask. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#clawhub-prompt-injection-defense https://devanimecx.github.io/free-ai-agent-stack/skills/#clawhub-prompt-injection-defense Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Hardens an agent session against prompt injection arriving through untrusted content: search results, email, downloaded files and PDFs. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#clawhub-skill-security-scan https://devanimecx.github.io/free-ai-agent-stack/skills/#clawhub-skill-security-scan Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Scans a skill for known risky behaviour — static analysis across backdoors, cryptomining and data-exfiltration patterns. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#clawhub-openai-whisper https://devanimecx.github.io/free-ai-agent-stack/skills/#clawhub-openai-whisper Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Speech-to-text transcription driven through Whisper, wired up for an agent that receives audio. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#clawhub-skill-vetter https://devanimecx.github.io/free-ai-agent-stack/skills/#clawhub-skill-vetter Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Security-first vetting for a skill before it is installed: what a skill can reach, what it writes, and what it should not be trusted with. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#clawhub-skill-creator https://devanimecx.github.io/free-ai-agent-stack/skills/#clawhub-skill-creator Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Guides the creation of new skills — structure, metadata and the parts of a skill that change agent behaviour rather than just adding prose. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#clawhub-pdf-generation https://devanimecx.github.io/free-ai-agent-stack/skills/#clawhub-pdf-generation Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Generates PDFs from agent output, including layout and pagination, without leaving the session. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#dedalus-machines https://devanimecx.github.io/free-ai-agent-stack/skills/#dedalus-machines Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Sets up and operates Dedalus Machines: a persistent Linux sandbox an agent can reach over SSH, run remote code in, or host a temporary service from, including CLI authentication and API base URL configuration. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#vercel-find-skills https://devanimecx.github.io/free-ai-agent-stack/skills/#vercel-find-skills Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Discovers and installs skills from the skills.sh registry from inside an agent session, so an agent can extend itself mid-task instead of the user installing files by hand. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#crewai-ask-docs https://devanimecx.github.io/free-ai-agent-stack/skills/#crewai-ask-docs Thu, 24 Sep 2026 09:00:00 GMT Agent Skills A docs-aware assistant for CrewAI framework questions, answering from the current documentation rather than from model memory. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#crewai-getting-started https://devanimecx.github.io/free-ai-agent-stack/skills/#crewai-getting-started Thu, 24 Sep 2026 09:00:00 GMT Agent Skills CrewAI architecture decisions and project scaffolding — choosing between LLM.call(), Agent.kickoff(), Crew.kickoff() and Flow, scaffolding with `crewai create flow`, YAML config, the @CrewBase crew.py pattern and conversational Flows. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#crewai-design-task https://devanimecx.github.io/free-ai-agent-stack/skills/#crewai-design-task Thu, 24 Sep 2026 09:00:00 GMT Agent Skills CrewAI task design — writing descriptions and expected_output, chaining tasks with context, output formats (pydantic, JSON, file), guardrails for validation, human_input, async execution and markdown output. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#crewai-design-agent https://devanimecx.github.io/free-ai-agent-stack/skills/#crewai-design-agent Thu, 24 Sep 2026 09:00:00 GMT Agent Skills CrewAI agent design and configuration — role, goal and backstory, LLM choice, tool assignment, max_iter/max_rpm/max_execution_time tuning, planning and code execution, delegation, knowledge sources, guardrails, and agents in YAML versus code. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-yeet https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-yeet Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Stages, commits, pushes and opens a GitHub pull request in one flow with the GitHub CLI, only when explicitly asked. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-winui-app https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-winui-app Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Bootstrap, develop, and design modern WinUI 3 desktop applications with C# and the Windows App SDK using official Microsoft guidance, WinUI Gallery patterns, Windows App SDK samples, and CommunityToolkit compon… Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-vercel-deploy https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-vercel-deploy Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Deploy applications and websites to Vercel. Use when the user requests deployment actions like "deploy my app", "deploy and give me the link", "push this live", or "create a preview deployment". Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-transcribe https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-transcribe Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Transcribe audio files to text with optional diarization and known-speaker hints. Use when a user asks to transcribe speech from audio/video, extract text from recordings, or label speakers in interviews or mee… Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-speech https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-speech Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Use when user asks for text-to-speech narration or voiceover, accessibility reads, audio prompts, or batch speech generation via the OpenAI Audio API; Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-sentry https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-sentry Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Use when user asks to inspect Sentry issues or events, summarize recent production errors, or pull basic Sentry health data via the Sentry CLI; perform read-only queries using the `sentry` command. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-security-threat-model https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-security-threat-model Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Repository-grounded threat modeling that enumerates trust boundaries, assets, attacker capabilities, abuse paths, and mitigations, and writes a concise Markdown threat model. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-security-ownership-map https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-security-ownership-map Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Analyze git repositories to build a security ownership topology (people-to-file), compute bus factor and sensitive-code ownership, and export CSV/JSON for graph databases and visualization. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-security-best-practices https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-security-best-practices Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Perform language and framework specific security best-practice reviews and suggest improvements. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-screenshot https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-screenshot Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Use when user explicitly asks for a desktop or system screenshot (full screen, specific app or window, or a pixel region), or when tool-specific capture capabilities are unavailable and an OS-level capture is n… Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-render-deploy https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-render-deploy Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Deploy applications to Render by analyzing codebases, generating render.yaml Blueprints, and providing Dashboard deeplinks. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-playwright-interactive https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-playwright-interactive Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Persistent browser and Electron interaction through `js_repl` for fast iterative UI debugging. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-playwright https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-playwright Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Use when task requires automating a real browser from the terminal (navigation, form filling, snapshots, screenshots, data extraction, UI-flow debugging) via `playwright-cli` or the bundled wrapper script. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-pdf https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-pdf Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Use when tasks involve reading, creating, or reviewing PDF files where rendering and layout matter; Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-openai-docs https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-openai-docs Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Answers questions about building with OpenAI products and APIs, Codex surfaces, and current official documentation. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-notion-spec-to-implementation https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-notion-spec-to-implementation Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Turn Notion specs into implementation plans, tasks, and progress tracking; use when implementing PRDs/feature specs and creating Notion plans + tasks from them. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-notion-research-documentation https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-notion-research-documentation Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Research across Notion and synthesize into structured documentation; use when gathering info from multiple Notion sources to produce briefs, comparisons, or reports with citations. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-notion-meeting-intelligence https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-notion-meeting-intelligence Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Prepare meeting materials with Notion context and Codex research; use when gathering context, drafting agendas/pre-reads, and tailoring materials to attendees. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-notion-knowledge-capture https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-notion-knowledge-capture Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Capture conversations and decisions into structured Notion pages; use when turning chats/notes into wiki entries, how-tos, decisions, or FAQs with proper linking. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-netlify-deploy https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-netlify-deploy Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Deploy web projects to Netlify using the Netlify CLI (`npx netlify`). Use when the user asks to deploy, host, publish, or link a site/repo on Netlify, including preview and production deploys. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-migrate-to-codex https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-migrate-to-codex Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Migrate supported instruction files, skills, agents, and MCP config into Codex project and global files. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-linear https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-linear Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Manage issues, projects & team workflows in Linear. Use when the user wants to read, create or updates tickets in Linear. Verified 2026-09-24. https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-jupyter-notebook https://devanimecx.github.io/free-ai-agent-stack/skills/#openai-jupyter-notebook Thu, 24 Sep 2026 09:00:00 GMT Agent Skills Use when user asks to create, scaffold, or edit Jupyter notebooks (`.ipynb`) for experiments, explorations, or tutorials; Verified 2026-09-24.