Sandbox
23 repos for free · Any agent · ResearchClear

Free LLM gateway: 22 LLM providers, 178 enabled chat routes, 431 cataloged chat models; keyless start when available.

97
freestylefly/
wesight

Open-source desktop AI agent workspace with one-click Claude Code, Codex, OpenClaw, Hermes Agent setup and custom LLM model routing.

918
eigent-ai/
eigent

Eigent: The Open Source Cowork Desktop - Local and Free Alternative to Claude Cowork and Codex

15k

Free, open-source MCP server giving AI assistants 17 weather tools — a one-call weather summary plus forecasts, alerts, air quality, marine, radar, lightning, rivers, wildfires, and historical data back to 1940. Ask by city name or coordinates. Built on free public APIs (NOAA, Open-Meteo). No API keys, no signup.

44
codertesla/
ai-coding-deals

Money-saving guide to AI coding tools: free tiers, discounts, referral credits & open-source alternatives. 省钱指南。

93
idosal/git-mcpConnectors

Put an end to code hallucinations! GitMCP is a free, open-source, remote MCP server for any GitHub project

8.4k
RKiding/
Awesome-finance-skills

A collection of Awesome Finance Agent Skills for free and easy to start | 一系列开源免费的金融分析Agent Skills

3k
owainlewis/
youtube-tutorials

All my YouTube tutorials. Everything here is free - but please follow me on YouTube if you find these helpful.

385
daymonio/daymonConnectors

Daymon puts your favorite AI to work 24/7. It schedules, remembers, and orchestrates your own virtual team. Free.

365
KSroido/
Kagi-Session2API-MCP

Free Kagi Search MCP server — access search and summarizer via session tokens, no API key needed. Works with Claude Desktop, Cursor, Windsurf, Hermes and any MCP client.

83
flack0x/
trendspyg

Free, maintained Python library + CLI for Google Trends: trending now, plus keyword interest over time, related queries & interest by region. A modern pytrends alternative.

49
ory/
lumen
ory/lumenConnectors

Save 30% token costs when using Claude Code, Codex, OpenCode for free - with open source, local semantic search. Works for small and large codebases and monorepos! Enterprise-ready and fully compliant via Ollama and SQLite-vec.

255
Johell1NS/
browser-search

A skill for AI agents: search the web with SearXNG, browse with Camofox, bypass protections with CloakBrowser. Anti-hallucination by design. Self-hosted, free, unlimited.

517

AI visibility tracker MCP for ChatGPT, Claude, Perplexity, Gemini & Google AIO. Free OSS/self-host; optional EUR 99 audit.

44

Open-source SEO + GEO skills for Claude on your real GSC/GA4/ads data. Free MCP: claude mcp add ryze --transport http https://connector.get-ryze.ai/mcp

747
erikdarlingdata/
PerformanceMonitor

Free, open-source SQL Server and Postgres performance monitoring. Collectors, real-time alerts, graphical plan viewer, MCP server for AI analysis. Supports SQL 2016-2025, Azure SQL, AWS RDS, Postgres, Aurora Postgres.

493
NameetP/
pdfmux

PDF extraction that audits its own output — and certifies any other extractor's, catching pages they silently dropped. Verify signed manifests offline: free, MIT, no account. 0.903 on opendataloader-bench, #2 of 8 engines. 7-tool MCP server.

82
LetsFG/LetsFGConnectors

Agent-native flight & hotel search and booking — MCP server, CLI, and Python/JS SDKs. Hundreds of airlines plus the major booking sites, with per-flight reliability history. Free-cancellation hotel rates: hold the room with a small upfront charge, then pay the balance later by link, up to the hotel's own deadline.

2k
simonlin1212/
global-stock-data

US stock market data for AI coding assistants — zero-auth, official sources. CBOE options with full Greeks + 0DTE flow, FINRA market-wide short volume, SEC EDGAR filing stream, and a free market-wide screener. 13 layers, 30+ endpoints, 11 sources. Every source labeled with its compliance tier.

1.6k
OpenLAIR/
dr-claw

A Super AI Lab with massive AI Doctors as Assistants. Best IDE for Research via AI Power.

1.1k
gustavoeenriquez/
MakerAi
gustavoeenriquez/MakerAiFrameworks & SDKs

The AI Operating System for Delphi. 100% native framework with RAG 2.0, autonomous agents, MCP protocol, and universal LLM connector. Supports OpenAI, Claude, Gemini, Ollama, and more. Delphi 10.4+ (limited), full support from Delphi 12 Athens.

203