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Documentation Index

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The Blacklist feature blocks agents from executing certain commands during task execution. This is useful for preventing problematic operations like calling unstable endpoints, using uninstalled tools, or running destructive commands. When an agent tries to execute a blacklisted command, 2501 checks it against your defined patterns and rejects it if there’s a match, prompting the agent to find another approach.

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Managing Blacklists

Go to Command Center → Blacklist and click Create Command to add a new entry. Blacklist

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Pattern

The string or glob pattern that defines which commands to block. Patterns support glob wildcards:
  • * matches any sequence of characters
  • ? matches a single character
Example: rm -rf * blocks any rm -rf command regardless of the target path. vim blocks the Vim text editor. The Command Center shows a live preview of matching and non-matching commands as you type, so you can verify a pattern before saving it. A collapsible syntax reference is available inline in the create and edit dialogs.

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Description

Explains why the command is blocked. Example: Vim is interactive and can't be operated by LLMs

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Organization

By default, blacklists apply to all organizations. Select a specific organization to restrict the blacklist to only that org’s agents.

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Common Use Cases

Destructive Operations Block high-risk commands for additional safety:
  • rm -rf /
  • awscli terminate-instances
  • sudo shutdown
Interactive Tools Agents can’t interact with prompts or shells:
  • redis-cli (exact match) - Use redis-cli KEYS * style commands instead
  • vim, nano, vi
  • mysql, psql
  • python (without arguments)
Missing or Unstable Tools Block commands for tools that aren’t installed, have known issues, or are deprecated.

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Best Practices

Document why each command is blocked. Review your blacklist regularly as your infrastructure changes. For enforcing preferred alternatives instead of just blocking, see Operational Rules.