CLI Reference

CLI Reference

Synopsis

rvrb-verify [OPTIONS] CLAIM_TEXT

Arguments

Argument	Required	Description
CLAIM_TEXT	Yes	The claim to verify

Options

Flag	Short	Default	Description
--strategy	-s	fact-check	Verification strategy: fact-check, legal, research
--json		False	Output as JSON
--model	-m	None	Model override (e.g., qwen3-coder-plus)
--provider		None	Provider name: qwen, openai, local. Overrides N3RVERBERAGE_PROVIDER
--output	-o	None	Write output to file instead of stdout

Exit codes

Code	Meaning
0	Success
1	Error (missing API key, invalid strategy)
2	Verification failed (API error)

Examples

Basic verification

rvrb-verify "The sky is blue"
# Output:
# Verdict: true
# Confidence: 95.0%
# Summary: The sky appears blue due to Rayleigh scattering...

JSON output

rvrb-verify "Python was created in 1991" --json
# Output:
# {
#   "verdict": "true",
#   "confidence": 0.98,
#   "summary": "Python was indeed created by Guido van Rossum in 1991.",
#   "evidence": [
#     {
#       "text": "Python was created in 1991 by Guido van Rossum.",
#       "source": {"type": "web", "url": "https://python.org/history"}
#     }
#   ]
# }

Strategy selection

# Fact-check (general)
rvrb-verify "Water boils at 100°C" --strategy fact-check

# Legal analysis
rvrb-verify "GDPR requires consent for cookies" --strategy legal

# Academic research
rvrb-verify "Quantum computing breaks Moore's law" --strategy research

Model override

rvrb-verify "The Earth is round" --model qwen3.7-plus

Provider override

N3RVERBERAGE_PROVIDER=qwen rvrb-verify "Claim" --provider openai

Save to file

rvrb-verify "The sky is blue" --output verdict.txt

Pipe composition

# Transcribe audio → verify claims
rvrb-transcribe meeting.mp3 | rvrb-verify

# Verify with JSON → extract confidence
rvrb-verify "Claim" --json | jq '.confidence'

Environment variables

Variable	Description
DASHSCOPE_API_KEY	Required for Qwen provider. Your Alibaba Cloud API key.
OPENAI_API_KEY	Required for OpenAI provider. Your OpenAI API key.
N3RVERBERAGE_PROVIDER	Default provider (overridden by --provider)
N3RVERBERAGE_DEFAULT_MODEL	Default model ID