Stop Your GitHub MCP Agent From Force-Pushing to main
Branch-level Deny if rules and protected-repo allowlists for the GitHub MCP server. Stop autonomous agents force-pushing to main or deleting your repos.
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Agents
8 posts
Blocking Outbound Exfiltration Through MCP Fetch and HTTP Tools
Stop autonomous agents POSTing your data to attacker domains. PolicyLayer's URL allowlists turn MCP fetch and HTTP tools into deterministic one-way readers.
Cap LLM Token Spend on MCP Agents: Cost-Scaled Limits Beyond Call Counts
Stop autonomous agents from burning through your inference budget. PolicyLayer's cost-scaled limits cap LLM tokens, not just tool calls, on every MCP server.
Namespace-Scope Your Kubernetes MCP Server From Production
Lock your AI agent's kubectl access to dev and staging namespaces. PolicyLayer adds a second wall on top of Kubernetes RBAC and audits every blocked call.
Rotate MCP Credentials Across 30 Developers in One Click
Stop chasing 30 developers to update MCP configs on every key rotation. Centralised credentials behind the gateway, labelled Grant tokens, one update.
Sandbox Your Shell-Exec MCP Server With Command Allowlists
Stop your agent running rm -rf through a third-party shell-exec MCP server. PolicyLayer Require and Deny if rules give you a two-layer command allowlist.
Slack MCP Channel Allowlists: Stopping Agents Posting to #general
Lock your Slack MCP server to specific channels and strip destructive tools from the MCP handshake. Practical Require, Deny if, and Hide policy walkthrough.
Tool-Result Injection: The MCP Attack System Prompts Miss
A concrete walkthrough of indirect prompt injection delivered via MCP tool responses. The attack, the model's reasoning, and the policy that stops it.