Compatible with
TypeScript·Python·Rust·Go·Vercel AI SDK·OpenAI SDK·Anthropic SDK·LangChain·LlamaIndex·CrewAI·Mastra·Claude Code CLI·Pi·OpenCode·Cursor·
TypeScript·Python·Rust·Go·Vercel AI SDK·OpenAI SDK·Anthropic SDK·LangChain·LlamaIndex·CrewAI·Mastra·Claude Code CLI·Pi·OpenCode·Cursor·
TypeScript·Python·Rust·Go·Vercel AI SDK·OpenAI SDK·Anthropic SDK·LangChain·LlamaIndex·CrewAI·Mastra·Claude Code CLI·Pi·OpenCode·Cursor·

Workshop by Raindrop

Give Claude CodeCodexDevinCursorOpenCode the power to write and run agent evals.
Free. Local. Open-source.

the local debugger your agent is missing.

Star on GitHubJUST LAUNCHEDRead the Docs

macOS, Linux, and probably Windows.

watch your agent think.

🐾 PawsAI
🐾PawsAIbeta
Describe your pet's symptoms...
workshop
claude-sonnet-4DURATION ...TRACE
OverviewSpan TreeComms
System 0.2k
You are a veterinary triage assistant. Assess symptom severity, check the symptom database, and recommend whether the pet needs immediate, same-day, or routine care. Always ask clarifying questions.
claude code
user@dev ~/pawsai % cd pawsai
user@dev ~/pawsai % claude
Claude Code v2.1.3
Sonnet 4 · Claude Max
/Users/dev/pawsai
>

01

Live streamed traces

Every token, every tool call, every decision — streaming into Workshop the moment it happens. No polling, no refreshing.

localhost:5899
Trajectory
ai.generateText
1.1s
check_symptoms
280ms
get_breed_risks
140ms

02

Integrates with your coding agent

Claude Code reads your traces, writes evals, and fixes what's broken.

claude code
Reading trace aa7eb...
→ Writing eval: test_symptom_followup.ts
→ Fixing: src/prompts/vet.ts:23
✓ eval passes — agent now asks follow-ups

03

Self-healing eval loop

Claude writes the eval, runs your agent, sees the failure, fixes the code, and re-runs — until every assertion passes.

localhost:5899 — evals
Agent asks about weight bearing
Agent asks about swelling
Agent asks about exercise history
3/3 passed
Raindrop capRaindrop umbrella

Limited Edition

get the exclusive launch drip.

Install Workshop and run the magic command. Free merch shipped worldwide while supplies last.

1
2

Compatible with everything

Vercel AI SDK
OpenAI Agents
Anthropic SDK
LangChain
LangGraph
CrewAI
Pydantic AI
Mastra
DSPy
DSPy
Google ADK
Strands
Strands
agno
Agno
da
Deep Agents
TypeScript
Python
Go
Rust
AWS Bedrock
Azure OpenAI
Vertex AI
Claude Code CLI
MCP
Temporal
{ }
HTTP API
oc
OpenCode

Get started

Free. Local. Open-source. One-line install.

Raindrop

raindrop.ai