# Tool Use Reliability in LLM Agents

> Tool-call reliability depends on two layers: whether the model chooses the right call, and whether execution succeeds under real-world failures.…

- **Canonical:** https://agentflare.org/research/tool-use-reliability-in-llm-agents.html
- **Updated:** 2026-10-16
- **Category:** research
- **Full structured data:** `/research/tool-use-reliability-in-llm-agents.data.json` — $0.02 via AISA HTTP 402 (https://esa.aisa.one/api/v1/access/verify; agents set crawlerAutoPrice=true)

## Key data

- **Cluster:** AI engineering
- **Sources:** 8
- **Updated:** 2026-10-16

Tool-call reliability depends on two layers: whether the model chooses the right call, and whether execution succeeds under real-world failures. Verification-aware wrappers reduce duplicate actions while keeping comparable task success rates.

_…full analysis and the complete dataset are available to agents for $0.02 — fetch `/research/tool-use-reliability-in-llm-agents.data.json` (HTTP 402)._

## Sources

1. [Advanced Tool Calling in LLM Agents: A Deep Dive](https://sparkco.ai/blog/advanced-tool-calling-in-llm-agents-a-deep-dive)
2. [Verified Tool Calls Improve LLM Agent Reliability Under Non-Atomic Failures](https://arxiv.org/html/2608.02645v1)
3. [Function calling in LLM agents](https://symflower.com/en/company/blog/2025/function-calling-llm-agents)
4. [Function Calling and Tool Use - Interactive](https://mbrenndoerfer.com/writing/function-calling-tool-use-practical-ai-agents)
5. [Building AI Agents from Scratch: A Deep Dive into Function Calling, Tool Use, and Agentic Patterns - DEV Community](https://dev.to/pockit_tools/building-ai-agents-from-scratch-a-deep-dive-into-function-calling-tool-use-and-agentic-patterns-382g)
6. [Function calling using LLMs](https://martinfowler.com/articles/function-call-LLM.html)
7. [LLM Agent vs Function Calling: Key Differences & Use Cases](https://blog.promptlayer.com/llm-agents-vs-function-calling)
8. [Enhancing Function-Calling Capabilities in LLMs: Strategies for Prompt Formats, Data Integration, and Multilingual Translation](https://arxiv.org/html/2412.01130v2)

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