ToolRegistry
English Version | 中文版
A protocol-agnostic tool management library for function-calling LLMs.
Ecosystem
| Package | Description | PyPI | Docs |
|---|---|---|---|
| toolregistry | Core library — tool registration, schema generation, execution | |
Docs |
| toolregistry-server | Server adapters — expose tools via OpenAPI & MCP |  |
Docs |
| toolregistry-hub | Ready-to-use tools — calculator, web search, file ops, etc. |  |
Docs |
toolregistry (core)
↓
toolregistry-server (tool server)
↓
toolregistry-hub (tool collection + server config)
Features
- Protocol-agnostic — register tools from native Python functions/classes, MCP servers, OpenAPI specs, or LangChain tools through a unified interface
- Multi-provider schemas — generate tool schemas for OpenAI, Anthropic, and Gemini via llm-rosetta
- Concurrent execution — thread and process pool backends with per-tool timeout and concurrency control
- Permission system — tag-based policies (
READ_ONLY,DESTRUCTIVE,NETWORK, etc.) with allow/deny/ask rules - Tool metadata & tags — classify tools with
ToolTag,ToolMetadata, namespace support, and source tracking - Admin panel — built-in Web UI for monitoring tools, permissions, and runtime config (i18n: EN/ZH)
- Think-augmented calling — inject chain-of-thought reasoning into tool calls (arXiv:2601.18282)
- Declarative config — load tool sources from JSONC/YAML config files
- Zero-dependency core — HTTP client, YAML parser, JSON Schema resolver all vendored; only
pydanticandllm-rosettaas runtime deps
Quick Start
from toolregistry import ToolRegistry
registry = ToolRegistry()
@registry.register
def add(a: float, b: float) -> float:
"""Add two numbers together."""
return a + b
# Use with any LLM provider
schemas = registry.get_schemas(api_format="openai-chat") # or "anthropic", "gemini"
result = registry["add"](1, 2) # 3.0
See the Usage Guide for MCP, OpenAPI, LangChain integrations and more.
Installation
Requires Python >= 3.10.
pip install toolregistry # core
pip install toolregistry[mcp] # + MCP support
pip install toolregistry[langchain] # + LangChain support
pip install toolregistry-hub # ready-to-use tools (separate package)
Citation
@software{toolregistry2025,
title={ToolRegistry: A Protocol-Agnostic Tool Management Library for OpenAI-Compatible LLM Applications},
author={Peng Ding},
year={2025},
url={https://github.com/Oaklight/ToolRegistry},
note={A Python library for unified tool registration, execution, and management across multiple protocols in OpenAI-compatible LLM applications}
}
@article{ding2025toolregistry,
title={Toolregistry: A protocol-agnostic tool management library for function-calling llms},
author={Ding, Peng and Stevens, Rick},
journal={arXiv preprint arXiv:2507.10593},
year={2025}
}
License
MIT — see LICENSE for details.
1 maintainer
Release files for toolregistry 0.18.0
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Source distribution (sdist)
| File | Size | Uploaded | |
|---|---|---|---|
| toolregistry-0.18.0.tar.gz | 359.9 kB | Details |
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| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| toolregistry-0.18.0-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 637.7 kB
Release files / toolregistry-0.18.0.tar.gz
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| Tags | Source |
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| Tags | Python 3 |
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