Tinypng MCP Server

🧙🏻 Integrated TinyPNG MCP server, quickly use TinyPNG through LLMs.

Local serverstdio

What is the Tinypng MCP server?

🧙🏻 Integrated TinyPNG MCP server, quickly use TinyPNG through LLMs. Exposed over MCP by the tinypng mcp server, that capability becomes something an assistant can invoke while it works, not something you go and do afterwards.

What it actually does

To install TinyPNG MCP Server for Claude Desktop automatically via Smithery:

Adding it to your client

Installation goes through your MCP client rather than a global install: point it at @smithery/cli on npm and it is fetched when the client starts. The copy-paste blocks for Claude Desktop, Claude Code and Cursor are further down this page.

Its toolset

Everything the assistant can do here goes through one of these:

  • Usage — The Usage tool exposed by this server
  • Tools — The Tools tool exposed by this server

Configuration

You will need one environment variable: TINYPNG_API_KEY. The server will not start without them, which is usually why the tools fail to appear on a first run. Keep credentials in your client's env block or a secrets manager rather than in a file you might commit.

Caveats

  • It runs with your machine's permissions. That is convenient and also the reason to think about what you point it at before you approve a tool call.
  • Missing credentials fail quietly in some clients — if no tools show up, check the environment block first.
  • MCP clients confirm each tool call by default. Leave that on until you have watched what the tinypng mcp server does with a few real requests.

When to reach for it

Among the developer tooling options, the useful question is rarely "what can it do" but "what does it cost you to run" — permissions, credentials, and how much of your context its toolset consumes. Tinypng's toolset — Usage, Tools — is a fair guide to whether it matches your workflow. It is maintained by aiyogg; worth a glance at recent repository activity before you build anything load-bearing on it.

This entry was verified against Tinypng's own documentation before publication; SyncDev keeps the directory reviewed rather than auto-generated.

Available tools

ToolWhat it does
UsageThe Usage tool exposed by this server.
ToolsThe Tools tool exposed by this server.

How to install the Tinypng MCP server

2. Edit the `mcp.json` file

```json
{
  "mcpServers": {
    "tinypng": {
      "command": "bun", // or "node"
      "args": ["/path/to/tinypng-mcp-server/src/index.ts"], // or "dist/index.js"
      "env": {
        "TINYPNG_API_KEY": "your-tinypng-api-key"
      }
    }
  }
}

Configuration as documented by the project. Restart the client after saving.

Configuration

VariableDescriptionRequired
TINYPNG_API_KEYCredential the server authenticates with.Yes

Example prompts to try

  • Use Tinypng to Usage.
  • Use Tinypng to Tools.

Frequently asked questions

The README does not explain how to obtain an API key; you must have one to set in the `TINYPNG_API_KEY` environment variable.