$ Explore the latest AI assistants, APIs, and Agentic Frameworks that are transforming the developers world. Whether you're a pro coder or just starting out, our curated list has something for everyone.

$ ssh [email protected] Join our community and share your favorite AI tools!

free tier
Tools and services that provide a limited set of features for free, with the option to upgrade for more advanced capabilities.
free trial
Tools and services that allow users to try out their features for a limited time before committing to a paid plan.
open source
Software and tools that are available for free and can be modified or distributed by anyone.
Tools and services that require a subscription or one-time payment for access to their full features.
free
Tools and services that are available at no cost to users.
~/ai-directory$ ls
<desc>

Server-side tools for managing and deploying AI models and services.

</desc>

mcp-servers/ ls -la | more

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O'Reilly Content Search

Connects to O'Reilly Media's content search API for discovering relevant books, articles, and technical resources with detailed metadata and filtering capabilities.
๐Ÿ”— VISIT
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Obsidian

Enables Claude to read, search, and modify Obsidian vault notes through a Node.js application that connects to the Local REST API plugin for seamless knowledge management workflows.
๐Ÿ”— VISIT
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Octagon Investment Research

Provides specialized investment research tools for analyzing SEC filings, earnings calls, financial data, stock market information, private company details, funding rounds, M&A transactions, and web scraping capabilities.
๐Ÿ”— VISIT
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OpenAPI

Automatically generates MCP tools from OpenAPI specifications, enabling direct access to third-party REST APIs with authentication, validation, and error handling capabilities.
๐Ÿ”— VISIT
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Perplexity AI

Connects Claude Desktop to Perplexity AI's language models through a lightweight proxy, offering web search capabilities with llama-3.1-sonar-small-128k-online and multi-turn conversations with mixtral-8x7b-instruct.
๐Ÿ”— VISIT