Filters

GPTClaudeGemini··▲ 1,135 copies·updated 2026-07-14

filters.prompt

!!! warning "Templates are trusted code"
    Banks renders templates using Jinja2's `SandboxedEnvironment`. This helps mitigate SSTI risk, but
    it should not be treated as a hard security boundary. Never construct a `Prompt` from
    user-supplied strings — use template variables for user input instead. See the
    [Security](index.md#security) section for details.

## Filters

Filters are Python functions that are called during the rendering of a certain tag. For example, if a prompt template
contains the tag:

when to use it

Community prompt sourced from the open-source GitHub repo masci/banks (MIT). A "Filters" style prompt — adapt the placeholders and specifics to your task. Imported as-is and not independently retested here, so check the output before relying on it.