cpa-copilot

Federal + California tax corpus TaxCalcBench →

Mode

Result limit

Start a source-backed tax question.

Enter access code

Have a code? Redeem it to raise your daily limit to 100 questions.

Modes

AgentPlain-English answer using retrieved evidence and agent tools.

AllRAG plus sandbox hits in one response.

RAGHybrid full-text and semantic retrieval from Supabase.

SandboxFilesystem search across bundled statute text.

FTSPostgres full-text search.

VectorEmbedding similarity search.

MCP

curl -s -X POST "$MCP_URL" \
  -H "content-type: application/json" \
  -H "accept: application/json, text/event-stream" \
  -H "x-cpa-copilot-client: your-email-or-team-name" \
  --data '{"jsonrpc":"2.0","id":1,"method":"tools/list","params":{}}'