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📰 Dev.to · PolicyLayer

28 articles · Updated every 3 hours · View all reads

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MCP Authorization: Scoping What Agents Are Allowed to Do
Dev.to · PolicyLayer 11h ago
MCP Authorization: Scoping What Agents Are Allowed to Do
A valid token gets an agent through the door. It says nothing about which rooms the agent should...
MCP Authentication: Securing How Agents and Servers Connect
Dev.to · PolicyLayer 11h ago
MCP Authentication: Securing How Agents and Servers Connect
Every MCP server you connect to expects a credential. Stripe wants an API key. A GitHub server wants...
AI Agent Containment Starts at the Environment Layer
Dev.to · PolicyLayer 11h ago
AI Agent Containment Starts at the Environment Layer
Anthropic just published how they contain Claude. The number that should stop every platform team:...
Tool-Result Injection: The MCP Attack System Prompts Miss
Dev.to · PolicyLayer 11h ago
Tool-Result Injection: The MCP Attack System Prompts Miss
We've made the argument twice now: system prompts are not a security boundary, and prompt engineering...
Namespace-Scope Your Kubernetes MCP Server From Production
Dev.to · PolicyLayer 11h ago
Namespace-Scope Your Kubernetes MCP Server From Production
An agent is investigating a crashloop. Someone pastes the wrong namespace into the chat —...
Blocking Outbound Exfiltration Through MCP Fetch and HTTP Tools
Dev.to · PolicyLayer 11h ago
Blocking Outbound Exfiltration Through MCP Fetch and HTTP Tools
An autonomous agent fetches a GitHub issue to triage it. Buried in the issue body, between two...
Stop Your GitHub MCP Agent From Force-Pushing to main
Dev.to · PolicyLayer 11h ago
Stop Your GitHub MCP Agent From Force-Pushing to main
An agent is chasing a flaky CI run at 02:00. It decides the remote branch is stale, picks the wrong...
System Prompts vs. Transport Firewalls: Why System Prompts Do Not Equal Security
Dev.to · PolicyLayer 11h ago
System Prompts vs. Transport Firewalls: Why System Prompts Do Not Equal Security
When deploying autonomous AI agents in production, securing their tool access is the most critical...
Microsoft's Agent Governance Toolkit: 9 Packages, MCP-Blind
Dev.to · PolicyLayer 11h ago
Microsoft's Agent Governance Toolkit: 9 Packages, MCP-Blind
Microsoft just open-sourced the Agent Governance Toolkit — nine packages covering policy enforcement,...
Why Prompt Guardrails Fail for AI Agent Safety (And What Works Instead)
Dev.to · PolicyLayer 11h ago
Why Prompt Guardrails Fail for AI Agent Safety (And What Works Instead)
Most teams building AI agents start with prompt guardrails as their safety strategy: write rules in...
X Just Shipped an MCP Server. It Exposes 131 Tools With Zero Access Control.
Dev.to · PolicyLayer 11h ago
X Just Shipped an MCP Server. It Exposes 131 Tools With Zero Access Control.
X (formerly Twitter) just released xmcp, an official MCP server that wraps the entire X API v2. It is...
We Scanned Popular Open Source MCP Configs. Here's What We Found.
Dev.to · PolicyLayer 11h ago
We Scanned Popular Open Source MCP Configs. Here's What We Found.
Every major developer platform now ships an MCP server. Stripe, GitHub, Supabase, Cloudflare, Sentry,...
Secure Your Stripe MCP Server: Rate Limits and Spending Controls
Dev.to · PolicyLayer 11h ago
Secure Your Stripe MCP Server: Rate Limits and Spending Controls
Your AI support agent just issued 200 refunds in three minutes. It misread a batch of customer...
Preventing Your AI Agent From Messaging #general
Dev.to · PolicyLayer 11h ago
Preventing Your AI Agent From Messaging #general
It starts innocently. You give your agent access to Slack so it can post a daily standup summary....
One FLUSHALL Away From Losing Everything
Dev.to · PolicyLayer 11h ago
One FLUSHALL Away From Losing Everything
Your AI agent just ran FLUSHALL. Your session cache, your rate limiter state, your feature flags,...
Your AI Agent Can Run DROP TABLE on Production
Dev.to · PolicyLayer 11h ago
Your AI Agent Can Run DROP TABLE on Production
Your AI agent just ran DELETE FROM users without a WHERE clause. It was trying to remove a single...
Your AI Agent Can Send Emails as You
Dev.to · PolicyLayer 11h ago
Your AI Agent Can Send Emails as You
Your AI assistant just emailed your entire contact list. It was supposed to reply to one customer —...
Your AI Agent Has Push Access to Every Repo
Dev.to · PolicyLayer 11h ago
Your AI Agent Has Push Access to Every Repo
Your coding agent just merged a pull request to main, deleted three files it thought were unused, and...
Your Coding Agent Can Delete Any File on Disk
Dev.to · PolicyLayer 11h ago
Your Coding Agent Can Delete Any File on Disk
Picture this. You ask your coding agent to "tidy up the config files." It interprets that broadly. It...
Your AI Agent Can Delete Every Container on Your Machine
Dev.to · PolicyLayer 11h ago
Your AI Agent Can Delete Every Container on Your Machine
Your AI coding assistant just wiped your local Docker environment. You asked it to "clean up that...