# TinyFn MCP Server

> TinyFn MCP Server — tinyfn-io-tinyfn-mcp. Use this tool when you need to perform accurate calculations, data transformations, and validations without introducing errors or biases. The TinyFn MCP Server provides over 500 deterministic tools for various tasks, including math, conversions, hashing, and more, ensuring reliable outputs for AI agents. It is ideal for use cases requiring precise data processing and transformation, such as data validation, scientific calculations, and secure hashing.

Canonical page: https://skillsregistry.net/skills/tinyfn-io-tinyfn-mcp  
JSON: https://api.skillsregistry.net/v1/skills/tinyfn-io-tinyfn-mcp

## Description

Provides over 500 deterministic tools for math, conversions, validation, hashing, and more, enabling AI agents to perform accurate calculations and data transformations without hallucination.

## Trust

- **Trust score (0–1):** 0.69
- **Verification tier:** scanned
- **Last scanned:** 2026-08-29

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** ai-ml
- **Updated:** 2026-08-29

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/n4n406897f)
- **Repository:** <https://github.com/tinyfn-io/tinyfn-mcp>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "tinyfn-io-tinyfn-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/tinyfn-io-tinyfn-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/tinyfn-io-tinyfn-mcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt