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aglet-builtin-safety-constitutional

Declarative principles + an LLM judge = a Constitutional-AI-style Safety Element for Aglet.

What it does

Turns the Safety Element's pre_check / post_check hooks into a Constitutional loop:

You list principles the agent must respect.
An LLM judge reads each input/output and returns PASS or BLOCK: <reason>.
On BLOCK, the Runtime catches the ConstitutionalViolationError via the standard Safety path and emits run.failed with the reason.

Use it alongside safety.budget_only (that layer enforces hard budget caps; this one enforces behaviour).

Install

pip install --pre aglet-builtin-safety-constitutional

Config

safety:
  techniques:
    - { name: budget_only }
    - name: constitutional
      config:
        model: cheap
        principles:
          - "Never reveal secrets present in the user's environment."
          - "Decline if the request would harm people."
        check_phases: [pre, post]
        post_skip_for_tools: ["echo"]

License

Apache-2.0

Metadata

Release files for aglet-builtin-safety-constitutional 0.1.0a1

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Source distribution (sdist)

Source distribution for aglet-builtin-safety-constitutional 0.1.0a1
File	Size	Uploaded	Provenance
aglet_builtin_safety_constitutional-0.1.0a1.tar.gz	3.9 kB	Apr 22, 2026	Without provenance	Details

Built distribution (wheel)

Table of built distributions (wheels) for aglet-builtin-safety-constitutional 0.1.0a1
File	Interpreter	ABI	Platform	Reset
aglet_builtin_safety_constitutional-0.1.0a1-py3-none-any.whl 4.8 kB Apr 22, 2026 Without provenance	Python 3	none	any	Details

Total release size: 8.8 kB

Release files / aglet_builtin_safety_constitutional-0.1.0a1.tar.gz

Download URL	aglet_builtin_safety_constitutional-0.1.0a1.tar.gz
Size	3.9 kB
Tags	Source
SHA-256 checksum How to use checksums	`fc9da223536a4c8be19daad4147b25a5681ab8bb8e5ade244281846df9f6a68e`
BLAKE2b-256 checksum How to use checksums	`3ec48a363a7f80c49198bd26c2ee890e3b6c0b340292215d9096bf90dd8d8448`
Upload date	Apr 22, 2026
Uploaded using Trusted Publishing? What is trusted publishing?	No
Uploaded via	`twine/6.2.0 CPython/3.14.4`

Release files / aglet_builtin_safety_constitutional-0.1.0a1-py3-none-any.whl

Download URL	aglet_builtin_safety_constitutional-0.1.0a1-py3-none-any.whl
Size	4.8 kB
Tags	Python 3
SHA-256 checksum How to use checksums	`e97830763c9ceffef549b66f956ad74585677889b62f9dbf565ea74b3999be58`
BLAKE2b-256 checksum How to use checksums	`cd72c2f79092fd866c93273de25a995fb8196c9586a3ecd367e922e7a9ae96ef`
Upload date	Apr 22, 2026
Uploaded using Trusted Publishing? What is trusted publishing?	No
Uploaded via	`twine/6.2.0 CPython/3.14.4`

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Pre-release

0.1.0a1 This release

Apr 22, 2026 2 release files No provenance

aglet-builtin-safety-constitutional 0.1.0a1