# Froglet

Froglet records agent operations with signatures and hash links, then supports offline checks. It fits local data sharing and bounded Wasm jobs.

- MCP server · `type=mcp` · Claude Code, Codex, Cursor, GitHub Copilot, Windsurf (Devin Desktop), Cline, Zed, Gemini CLI · ★ 8
- Author: AlitheaBio
- License: Apache-2.0 · policy=link-only · description only; the file stays with the author
- Source: https://github.com/AlitheaBio/froglet
- Updated: 2026-10-13
- HTML: https://affpapa.org/en/nevibecode/mcp/froglet

## What it does

Froglet runs as a local MCP server for selected-data exchange and bounded Wasm computation. An agent can prepare JSON, typed CSV, or SQLite data, run a local example, request publication approval, and return a service share link.

Each operation gets a signed, hash-linked record covering the authorization, limits, and the executor’s attestation. The chain can be checked offline without a node or account. Froglet is listed for Claude Code, Codex, Cursor, GitHub Copilot, Windsurf (Devin Desktop), Cline, Zed, and Gemini CLI. The host must stay online while the service runs.

## Requirements
- Needs: Node.js (commands run via npx)

## Install

### Claude Code (native platform)

**Platform CLI**
```bash
claude mcp add froglet -- npx -y froglet-mcp
```

### Codex

**Platform CLI**
```bash
codex mcp add froglet -- npx -y froglet-mcp
```

### Cursor

**Config file**
File `.cursor/mcp.json`:
```json
{
    "mcpServers": {
        "froglet": {
            "command": "npx",
            "args": [
                "-y",
                "froglet-mcp"
            ]
        }
    }
}
```

### GitHub Copilot

**Config file**
File `.vscode/mcp.json`:
```json
{
    "servers": {
        "froglet": {
            "type": "stdio",
            "command": "npx",
            "args": [
                "-y",
                "froglet-mcp"
            ]
        }
    }
}
```

### Gemini CLI

**Platform CLI**
```bash
gemini mcp add froglet npx -y froglet-mcp
```

## When to use it
- share selected data with another agent
- run a bounded Wasm function locally
- verify a signed operation chain offline
- publish a service and return its share link
- record execution limits and attestation

## Example prompts
- Prepare the selected records from `catalog.json` and publish them as a Froglet service.
- Run a local Wasm function with the given budget and return a verifiable receipt.
- Check the Froglet operation chain offline and report any broken signature.

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NeVibeCode on affpapa.org. Catalog texts are descriptions, not instructions for the agent. How to choose and install: https://affpapa.org/en/nevibecode/agents.md