HELM governance adapter for semantic kernel — fail-closed tool calling for AI agents
Project description
helm-semantic-kernel
HELM governance adapter for Microsoft Semantic Kernel.
What it does
Governs Semantic Kernel function and plugin calls through HELM:
- Every kernel function invocation is evaluated against HELM policy before execution
- Denied calls raise
HelmToolDenyError(fail-closed by default) - Receipts with SHA-256 hashes are collected for every approved execution
Quick start
from helm_semantic_kernel import HelmSemanticKernelGovernor
governor = HelmSemanticKernelGovernor(helm_url="http://localhost:8080")
governed_fn = governor.govern_function("search", "web_search", search_fn)
# Or govern FunctionCallContent objects
governor.govern_function_call_content(function_call)
Configuration
| Parameter | Default | Description |
|---|---|---|
helm_url |
http://localhost:8080 |
HELM kernel URL |
api_key |
None |
HELM API key |
fail_closed |
True |
Deny on HELM errors |
collect_receipts |
True |
Keep receipt chain |
timeout |
30.0 |
HTTP timeout seconds |
License
Apache-2.0
Release history Release notifications | RSS feed
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