> ## Documentation Index
> Fetch the complete documentation index at: https://praison.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.
# Tool Registry • AI Agent SDK
> ToolRegistry: Central registry for all tools.
# ToolRegistry
> Defined in the [**registry**](../modules/registry) module.
AI Agent
Central registry for all tools.
Provides:
* Tool registration (manual and auto-discovery)
* Tool lookup by name
* Tool listing and filtering
* Entry points discovery for external plugins
* Trust level management for security
```mermaid theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
%%{init: {'theme': 'base', 'themeVariables': { 'primaryColor': '#8B0000', 'primaryTextColor': '#fff', 'primaryBorderColor': '#710101', 'lineColor': '#189AB4', 'secondaryColor': '#189AB4', 'tertiaryColor': '#fff' }}}%%
graph LR
agent["Agent"] -- "uses" --> tool["Tool: ToolRegistry"]
tool -- "returns" --> result["Result"]
style tool fill:#189AB4,color:#fff
style agent fill:#8B0000,color:#fff
style result fill:#8B0000,color:#fff
```
## Methods
Register a tool with the registry.
Remove a tool from the registry.
Get a tool by name.
List all registered tool names. Thread-safe.
List all registered BaseTool instances. Thread-safe.
Get OpenAI-compatible tool definitions with dynamic schema overrides applied.
List only currently available tools (those that pass availability checks).
List tool names filtered by ALLOWED\_TOOLS environment variable.
Get all registered tools as a dict. Thread-safe.
Discover and register tools from entry\_points.
Discover and load tools from single-file plugins.
Get the trust level for a tool.
Clear all registered tools. Thread-safe.
## Source
`praisonaiagents/tools/registry.py` at line 92
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## Related Documentation