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Sandock
Persistent Docker Workspaces for Coding Agents
Your coding agent needs a real filesystem — not a sandbox that forgets everything. Sandock gives it one: long-running Docker containers with SSD-backed persistent volumes and 100% POSIX compatibility. Run Claude Code, Codex, Anthropic Agent SDK, OpenClaw, Hermes, Pi Coding Agent, or your own agents directly — or embed them into your product. Terminal, browser, preview, git, and MCP workflows are built in, with pricing from $5/mo.
We were building a coding agent on top of Claude Code. It kept failing — not because the code was wrong, but because the sandbox didn't have a real filesystem. Symlinks broken. File permissions wrong. npm install failing silently.
Most container-based sandboxes have this problem: incomplete POSIX support. And they forget everything when they close.
We tried the alternatives. One had great DX but cost $150+/mo minimum — and still had POSIX issues. Another was powerful but way too complex, clearly built for enterprise teams, not indie builders. Neither gave us persistent, POSIX-complete storage at a reasonable price.
We needed something persistent like a VM, fast like a container, POSIX-complete like a real machine, and actually affordable. Nothing existed. So we built it.
**What makes Sandock different:**
💾 **100% POSIX + Persistent SSD Volumes** — symlinks, permissions, hard links all work. Claude Code, Codex, Anthropic Agent SDK — zero config, no workarounds.
⚡ **Sub-second warm starts, per-second billing** — containers stay alive between calls. $5/mo vs $150+/mo with alternatives.
🔌 **MCP Server Hosting + Simple SDK** — 5 lines of Python or Node.js. Persistent MCP servers. No Docker expertise required.
We've been running our own agents on Sandock for months. It's the infrastructure we wished existed when we started.
Your coding agent deserves a real home. What's your biggest pain point with agent sandboxes right now? 🐳
About Sandock on Product Hunt
“Persistent Docker Workspaces for Coding Agents”
Sandock was submitted on Product Hunt and earned 8 upvotes and 3 comments, placing #63 on the daily leaderboard. Your coding agent needs a real filesystem — not a sandbox that forgets everything. Sandock gives it one: long-running Docker containers with SSD-backed persistent volumes and 100% POSIX compatibility. Run Claude Code, Codex, Anthropic Agent SDK, OpenClaw, Hermes, Pi Coding Agent, or your own agents directly — or embed them into your product. Terminal, browser, preview, git, and MCP workflows are built in, with pricing from $5/mo.
On the analytics side, Sandock competes within API, Developer Tools and Artificial Intelligence — topics that collectively have 1.1M followers on Product Hunt. The dashboard above tracks how Sandock performed against the three products that launched closest to it on the same day.
Who hunted Sandock?
Sandock was hunted by Doris Yeung. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
Doris Yeung
Hey PH! 👋
We were building a coding agent on top of Claude Code. It kept failing — not because the code was wrong, but because the sandbox didn't have a real filesystem. Symlinks broken. File permissions wrong. npm install failing silently.
Most container-based sandboxes have this problem: incomplete POSIX support. And they forget everything when they close.
We tried the alternatives. One had great DX but cost $150+/mo minimum — and still had POSIX issues. Another was powerful but way too complex, clearly built for enterprise teams, not indie builders. Neither gave us persistent, POSIX-complete storage at a reasonable price.
We needed something persistent like a VM, fast like a container, POSIX-complete like a real machine, and actually affordable. Nothing existed. So we built it.
**What makes Sandock different:**
💾 **100% POSIX + Persistent SSD Volumes** — symlinks, permissions, hard links all work. Claude Code, Codex, Anthropic Agent SDK — zero config, no workarounds.
⚡ **Sub-second warm starts, per-second billing** — containers stay alive between calls. $5/mo vs $150+/mo with alternatives.
🔌 **MCP Server Hosting + Simple SDK** — 5 lines of Python or Node.js. Persistent MCP servers. No Docker expertise required.
We've been running our own agents on Sandock for months. It's the infrastructure we wished existed when we started.
Your coding agent deserves a real home. What's your biggest pain point with agent sandboxes right now? 🐳