Laying out the streets…STEP 1 OF 3

Agent Shield · Office #65,098

Runtime security mesh for autonomous AI coding agents

In the Working with AI coding agents neighborhood (AI and agents). In town since 7 Nov 2026.

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What Tablif read on Agent Shield's site

Agent Shield describes itself as: “Agent Shield Runtime security mesh for autonomous AI coding agents”

What it is

Calls itself “Runtime security mesh”.

  • Calls itself: Runtime security mesh
“Runtime security mesh for autonomous AI coding agents”

Where it puts itself

Claims “100% local-first”. Publishes a comparison page.

  • Superlative claim: 100% local-first
“100% local-first and open source.”
“Open-Source Alternatives Matrix -> https://ritualdev.in/alternatives/”

What it costs

Monthly subscription. A free tier, free forever. Has an enterprise plan. Prices quoted: $15/mo.

  • Monthly: yes
  • Free plan: free forever
  • Price: $15/mo
  • Enterprise plan: yes
“View Pricing ($15 / mo)”
“AgentShield is an air-gapped, zero-telemetry runtime defense mesh for autonomous coding agents. Stop prompt injections, sandbox shell commands via eBPF/Landlock in 0.18ms, and protectenv keys with synthetic decoy canaries. 100% local-first and open source.”
“100% local-first and open source.”

Who it sells to

Sells to developers. Built for enterprise.

  • Sells to: developers
  • Company size: enterprise
“Runtime security mesh for autonomous AI coding agents”
“Enterprise Private VPC”

How it runs

A command-line tool and browser extension for Linux, Windows and macOS. Runs locally and works offline. Distributed through the Open VSX, VS Code Marketplace and npm. Offers an API. Open source. AI is the core of the product.

  • Kind: cli · extension
  • Runs on: Linux · Windows · macOS
  • Runs where: on the device, offline
  • Distributed via: Open VSX · VS Code Marketplace · npm
  • API: yes
  • Open source: yes
  • AI role: core to the product
“$ npm install -g @ritualdev-lab/agentshield”
“Install in VS Code”

What it works with

Runs inside Cursor, VS Code and Windsurf. Plugin for Cursor, VS Code and Windsurf. Names AgentShield, Antigravity and 3 more on its pages.

  • Runs inside: Cursor · VS Code · Windsurf
  • Plugin for: Cursor · VS Code · Windsurf
  • Names: AgentShield · Antigravity · Claude Code · +2
“AgentShield wraps your AI agent processes (Claude Code, Cursor, Windsurf, Codex, Antigravity) inside OS-level kernel sandboxes.”
“RitualDev — Autonomous AI Agent Defense, Sandboxing & Zero-Leak Studio”

What it offers as proof

Live, no waitlist. Publishes docs.

“$ brew install agentshield”
“Docs -> https://ritualdev.in/docs/”

Sources

Tablif read these pages, last on 7 Nov 2026. Everything above is what the product says about itself; Tablif does not verify every claim.

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