Provider Tester — Testing & QA agent for Claude Code
Use this agent when you need to test, debug, or validate LLM provider configurations.
How to install Provider Tester
Installs to ~/.claude/agents/nesquikm-mcp-rubber-duck-provider-tester.md
mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/nesquikm/mcp-rubber-duck/HEAD/.claude/agents/provider-tester.md -o ~/.claude/agents/nesquikm-mcp-rubber-duck-provider-tester.md Restart Claude Code, or start a new session, for it to be picked up.
What Provider Tester does
name: provider-tester description: Use this agent when you need to test, debug, or validate LLM provider configurations. This includes verifying API keys work correctly, checking provider connectivity, testing model availability, debugging authentication issues, validating base URLs for custom providers, or troubleshooting why a specific provider isn't responding as expected.\n\nExamples:\n\n\nContext: User has just added a new provider configuration and wants to verify it works.\nu
Alternatives in Testing & QA
- Perf Test Sync — Use this agent when the user needs to synchronize performance test cases between development (dev) and QA dire 14.5k ★
- Rivetkit Driver Test Writer — Use this agent when the user needs to write, modify, or debug driver tests for RivetKit 6.1k ★
- QA Debug Analyst 597 ★
Full documentation available on GitHub
View Source RepositoryRelated Agents
QA Test Engineer
Use this agent when you need to verify that features work correctly, ensure product quality, validate performa
Auth Route Tester
Use this agent when you need to test routes after implementing or modifying them. This agent focuses on verify
Vc Tester
Use this agent when you need to validate code quality through testing, including running unit and integration
Vitest Tester
Use this agent when you need to create, review, or debug tests using the Vitest testing framework. This includ
API Skill Tester
Use this agent when you need to run tests for API skills, validate skill functionalities through direct invoca
AI Provider Author
WRITE-access implementer for AI provider integrations, model routing, embeddings, prompt systems, streaming, a
Related Skills
Check Availability
Checks why a rep or team is showing no available slots — diagnoses calendar connectivity, working hours, meeti
MCP Health
Run MCP server health checks — connectivity, latency, handshake validation, and availability monitoring.
Validate Plan
You are tasked with validating that an implementation plan was correctly executed, verifying all success crite
