Free Claude Code templates · Code for 50 AI services · Free AI tools
TAKE THE CODE.
BUILD WITH AI.
Copy-paste Claude Code skills and subagents, plus working AI code in C#, Python, Java and JavaScript for 50 services. Free to copy, free to ship.
Or use the free AI tools: prompts, prompt testing and summaries, in your browser.
- 129Claude Code templates
- 50AI services with code
- 4Languages: C#, Python, Java, JS
- ₹0Cost · free forever
CLAUDE KIT
Free Claude Code Templates
Subagents, skills (SKILL.md), hooks, MCP servers and CLAUDE.md
files you can drop into a project today. Every template says where the file
goes, how to install it, and the date its format was last checked against
Anthropic's documentation.
CODE RECIPES
AI API Code Examples in C#, Python, Java & JavaScript
The call that matters for each of 50 AI services — authentication, the first request, streaming, and the one detail that costs an afternoon — written out in your language and runnable as pasted. Every page ends with the vendor's official documentation.
Building with AI yourself? Sample code for 50 services, in your language.
Every page ends with a link to the vendor's own documentation.
FREE AI TOOLS
Free AI Tools in Your Browser
When you need a result rather than code: a prompt generator, a prompt testing kit and a document summarizer — all free, all in your browser.
Prompt Generator
Build prompts that actually work — CO-STAR, zero-shot, few-shot and chain-of-thought, assembled as you type.
Open tool →
Document Summarizer
Pull the key sentences out of a long report or transcript — no AI, no model, just statistics.
Open tool →
Prompt Testing Kit
Four tools for testing prompts by hand — claim review, a prompt linter, test matrices and diffs.
Open tool →
Why Engineers Use It
Checked, and Dated
Every recipe and template prints the date it was last checked against the vendor's own documentation — so you know how old a sample is before you paste it.
Runs as Pasted
No pseudo-code and no elided calls. Keys are read from the environment, never written into a sample, and every page links to the official docs.
Your Text Stays Yours
What you put into a tool is never stored — not the document, not the prompt, not the answer you are checking. You get a result back, and that is the end of it.
The snippet you were about to search for, already written, already checked.FREEYANTRA — ENGINEERING
We wrote these for our own engineering work and saw no reason to keep them to ourselves: Claude Code templates we actually use, sample code for the AI APIs we actually call, and a few tools that run on hardware we own — no third-party cloud in the path, and nothing you type is stored.
New templates and recipes ship as they are written and checked.
Genuinely free and genuinely fast, with no API key to find and no card to hand over. That alone puts it ahead of everything else I tried.
Internal pilot feedback
QUESTIONS
Frequently Asked Questions
What is FreeYantra?
A free resource for engineers building with AI: 129 copy-paste Claude Code templates, working sample code for 50 AI services in C#, Python, Java and JavaScript, and 3 free AI tools that run in your browser.
What are Claude Code templates?
Ready-made files for Claude Code, Anthropic's coding assistant: subagents that take on a specialist job, skills that teach it a procedure, hooks that run a command at a fixed moment, MCP servers that give it new tools, and CLAUDE.md files that tell it how your project works. Each page says where the file goes and how to install it.
Which AI services have code examples?
OpenAI, Anthropic Claude, Google Gemini, Azure OpenAI, AWS Bedrock, Mistral, ElevenLabs, Deepgram, Pinecone, Qdrant, LangChain, Semantic Kernel, Ollama and more — 50 in all, each on its own page with a link to the vendor's official documentation.
Is the sample code free to use in my own projects?
Yes. Copy it, change it and ship it. Every sample reads its API key from an environment variable, so nothing secret is ever written into the code you paste.
How current is the code?
Every recipe and template prints the date it was last checked against the vendor's own documentation, and links to that documentation. Model names and SDKs change quickly, so when the two disagree, the official docs win.
Do the free tools store what I type?
No. The documents you summarise and the prompts you build are not saved. The prompt tools run entirely in your browser and send nothing anywhere.
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