Playground
Agent Skill Tester for Markets
Test Anthropic Agent Skills for market extraction. Paste SKILL.md + sample 10-K excerpt + your key. See output, token cost, latency. Browser-only. Free.
- Inputs
- Prompt / input + API key
- Runtime
- 2–15 s per model call
- Privacy
- Client-side · no upload
- API key
- BYO key (Anthropic · OpenAI · Google)
- Methodology
- Open →
BYO API key · client-side only
Your API key is used in your browser to call Anthropic directly. It is never persisted or sent anywhere else. For production automation, consider scoped rate-limited keys via your Anthropic console.
1 · Config
2 · Skill definition (SKILL.md)
3 · Sample input document
Complementary tools
Users of this tool often explore
Prompt Regression Tester
Run the same prompt against multiple models (Claude 4.5/4.6/4.7, GPT-5, Gemini 2.5) with your own keys. Diff outputs, score drift, catch regressions before they hit your production agent.
Hallucination Detector
Paste a source document + an LLM's extraction. Every numeric claim in the output is checked against the source. Client-side. Catches silent fabrication before it ends up in your pipeline.
Prompt Injection Tester
Red-team a finance agent against 24 documented prompt-injection attacks — direct override, role confusion, indirect injection via retrieved content, jailbreak patterns, tool-call hijack. BYO key; runs client-side against your live model.