croc

Easily and securely send things from one computer to another :crocodile: :package:

73 articles

Understanding the croc Stored Transfer Protocol and Client-Side Encryption

Learn about the croc stored transfer protocol and client-side encryption. Securely upload files using AES-GCM encryption for ultimate privacy.

deep-dive

Jul 30, 2026

How croc Integrates with SOCKS5 and HTTP Proxies: CLI Flags and Implementation Details

Learn how croc integrates with SOCKS5 and HTTP proxies using CLI flags. Discover implementation details in Go and leverage proxy dialers for secure connections.

how-to-guide

Jul 30, 2026

How croc's --store Feature Handles Encrypted Temporary File Storage

Discover how croc's --store feature secures your files with local AES-GCM encryption before temporary storage. Protect your data from prying eyes.

internals

Jul 30, 2026

Croc Reconnect Mechanism: How It Resumes Interrupted File Transfers Automatically

Croc automatically resumes interrupted file transfers with its reconnect mechanism. It uses exponential back-off delays and retries up to 10 times without manual intervention.

internals

Jul 30, 2026

How croc's PAKE-Based End-to-End Encryption Works: Secure File Transfer Handshake Explained

Understand croc's PAKE-based end-to-end encryption. Learn how croc establishes a secure channel using a human-readable code for protected file transfers before sending data.

deep-dive

Jul 30, 2026

What Programming Languages Are Used in Croc Development?

Discover the programming languages behind Croc development. Learn how Go powers the core CLI and networking, while TypeScript builds the web interface.

faq

Jul 27, 2026

How to Use croc with Custom Relay Servers: Complete Configuration Guide

Learn to configure croc with custom relay servers using the --relay, --relay-ports, and --relay-password flags for secure file transfers. Get started now.

how-to-guide

Jul 27, 2026

Best Alternatives to croc for Secure File Transfer: 8 Tools Compared

Explore the best alternatives to croc for secure file transfer. Compare 8 top tools like rsync, magic-wormhole, and Syncthing to find your perfect fit.

comparative-analysis

Jul 27, 2026

croc Protocol Specification: Technical Deep Dive into Secure File Transfer

Explore the croc protocol specification for secure file transfer. Learn how this PAKE-authenticated, end-to-end encrypted TCP protocol safely exchanges files without exposing keys to relays.

deep-dive

Jul 27, 2026

Security Vulnerabilities in croc: A Code-Level Analysis of Cryptographic Weaknesses

Discover security vulnerabilities in croc including weak PBKDF2 iteration counts enabling brute-force attacks. Understand code-level cryptographic weaknesses to protect your transfers.

security-analysis

Jul 27, 2026

How to Build croc from Source: Complete Installation Guide

Build croc from source with our complete installation guide. Install Go, clone the repository, and compile the binary or use go install for a quick setup.

tutorial

Jul 27, 2026

Performance Considerations for croc: Optimizing Peer-to-Peer File Transfers

Optimize croc peer-to-peer file transfers with chunked streaming, compression, and hashing. Tune performance via CLI flags and buffer settings for faster, secure transfers.

performance

Jul 27, 2026

Have a question about this repo?

These articles cover the highlights, but your codebase questions are specific. Give your agent direct access to the source. Share this with your agent to get started:

Share the following with your agent to get started:

curl -s "https://instagit.com/install.md"

Add to your MCP client configuration:

{
  "mcpServers": {
    "instagit": {
      "command": "npx",
      "args": ["-y", "instagit@latest"]
    }
  }
}

Ask your agent:

"Use Instagit MCP to understand how schollz/croc works."

Works with

Claude Codex Cursor VS Code OpenClaw Any MCP Client

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