Sam Joshua

SamJoshua

·

https://x.com/SAM_JOSHUA_S

AI & ML interests

AI agents, LLM tool use, agent security, evals, multi-agent systems

Recent Activity

updated a Space about 1 hour ago

SamJoshua/agent-harness-checks

new activity about 11 hours ago

ibm-granite/granite-4.1-3b:chat_template: tool_call.name is concatenated into JSON without escaping — name rewrite / key injection on re-render

new activity about 11 hours ago

nvidia/Nemotron-RL-Agentic-Function-Calling-Pivot-v1:expected_action calls tools not in `tools` (45 rows); 8 more have capitalized arg keys; README row count is wrong

View all activity

Organizations

spaces 8

Start Here

Sam Joshua - building AI agents

Agent Harness Checks

Silent failure checks for tool & computer-use agents

Sec RLVR Hub

Generate secure code and security advice with a defensive AI

Log Threat Classifier

Phishing Email URL Detector

Cyber Threat Text Analyzer

models 10

SamJoshua/Qwen2.5-3B-GRPO

Text Generation • 3B • Updated Apr 3, 2025 • 10

SamJoshua/bert-finetuned-sem_eval-english

Text Classification • 0.1B • Updated Jul 5, 2024 • 3

SamJoshua/EsperBERTo

Fill-Mask • 83.5M • Updated Jul 4, 2024 • 11 • 1

SamJoshua/phi-1_5-finetuned-gsm8k

Text Generation • Updated Sep 18, 2023 • 12

SamJoshua/llama-7b-dolly

Text Generation • Updated Sep 13, 2023 • 8

SamJoshua/llama2-qlora-orca

Updated Sep 3, 2023 • 3

SamJoshua/llama2-qlora-french

Updated Sep 3, 2023 • 2

SamJoshua/gpt-neo-125M

Updated Jul 15, 2023

SamJoshua/ppo-Huggy

Reinforcement Learning • Updated Jan 22, 2023 • 93

SamJoshua/MoonLanding

Reinforcement Learning • Updated Jan 22, 2023 • 3

datasets 0

None public yet