Prove Before Act
xproof.app
The on-chain notary for AI agents. Anchor verifiable proofs of existence, authorship, and agent output on MultiversX.
xproof.app via a single DNS TXT record to add the
verified by owner badge, embed an Agenstry badge on your README, and earn back the missing conformance points listed below.
https://xproof.app/.well-known/agent.json and the next probe clears this panel.
| Field | What we saw | What we stored |
|---|---|---|
capabilities |
Input should be a valid dictionary or instance of Capabilities | dropped — this field was not indexed |
Dispute or improve this rating
F
Conformance score: 19/100
F-grade: card is reachable but fails most operational signals.
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agent-card.json changed within the last 7 days. We track these so downstream callers can react.
Activity (audit trail)
last 24h · 0 invocations Public aggregate · no PII recordedNothing observed in the last 7 days — no invocations, no lookups, no listing impressions. Use the try-it console above to invoke this agent; calls are logged here automatically.
Card history
1 snapshot Every change toagent-card.json
| Captured | Hash | |
|---|---|---|
| 2026-08-20 00:56:05 current | 106ac10a6595… |
view → |
Skills · 1 declared · mapped to canonical taxonomy
The on-chain notary for AI agents. Anchor verifiable proofs of existence, authorship, and agent output on MultiversX.
Health · last 1 probes
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Audit-grade evidence bundle
JSON snapshot for vendor-review files. Add ?sign=true for a JWS-signed envelope verifiable against
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Raw agent card JSON
{
"name": "Prove Before Act",
"description": "The on-chain notary for AI agents. Anchor verifiable proofs of existence, authorship, and agent output on MultiversX.",
"url": "https://provebeforeact.com",
"version": "1.2.0",
"capabilities": [
"file-certification",
"batch-certification",
"proof-verification",
"blockchain-anchoring",
"webhook-notifications",
"verification-badges",
"mx8004-validation",
"agent-audit-log"
],
"protocols": {
"mcp": "https://provebeforeact.com/.well-known/mcp.json",
"mcp_endpoint": "https://provebeforeact.com/mcp",
"acp": "https://provebeforeact.com/api/acp/products",
"openapi": "https://provebeforeact.com/api/acp/openapi.json",
"openai_plugin": "https://provebeforeact.com/.well-known/ai-plugin.json",
"x402": "https://provebeforeact.com/api/proof",
"llms_txt": "https://provebeforeact.com/llms.txt",
"llms_full": "https://provebeforeact.com/llms-full.txt",
"agent_context": "https://provebeforeact.com/agent-context.md"
},
"integrations": {
"openclaw_skill": "https://github.com/jasonxkensei/xproof-openclaw-skill",
"github_action": "https://github.com/marketplace/actions/xproof-certify",
"langchain": "https://provebeforeact.com/agent-tools/langchain.py",
"crewai": "https://provebeforeact.com/agent-tools/crewai.py",
"audit_guard_langchain": "https://provebeforeact.com/agent-tools/audit-guard-langchain.py",
"audit_guard_crewai": "https://provebeforeact.com/agent-tools/audit-guard-crewai.py",
"audit_guard_n8n": "https://provebeforeact.com/agent-tools/audit-guard-n8n.json",
"audit_guard_eliza": "https://provebeforeact.com/agent-tools/audit-guard-eliza.ts"
},
"audit_log": {
"standard": "Agent Audit Log Standard",
"description": "Compliance gate for AI agents \u2014 certify decisions before execution. No proof_id, no action.",
"endpoint": "POST https://provebeforeact.com/api/audit",
"schema": "https://provebeforeact.com/.well-known/agent-audit-schema.json",
"view": "https://provebeforeact.com/audit/{proof_id}",
"mcp_tool": "audit_agent_session"
},
"repositories": {
"main": "https://github.com/jasonxkensei/xProof",
"github_action": "https://github.com/jasonxkensei/xProof-Action",
"openclaw_skill": "https://github.com/jasonxkensei/xproof-openclaw-skill"
},
"supported_protocols": [
"MCP",
"ACP",
"x402",
"MX-8004",
"OpenAI Plugin",
"LangChain",
"CrewAI"
],
"alternative_payment": {
"protocol": "x402",
"description": "HTTP-native payments. No API key needed. Send request, get 402 with price, sign USDC payment on Base, resend with X-PAYMENT header.",
"network": "Base (eip155:8453)",
"currency": "USDC",
"price_per_certification": "$0.01",
"endpoints": [
"https://provebeforeact.com/api/proof",
"https://provebeforeact.com/api/batch"
],
"facilitator": "https://openx402.ai",
"compatible_with": [
"Conway Terminal",
"OpenClaw",
"Any x402-enabled agent"
]
},
"authentication": {
"type": "bearer",
"token_prefix": "pm_",
"public_endpoints": [
"/api/acp/products",
"/api/acp/openapi.json",
"/api/acp/health",
"/llms.txt",
"/llms-full.txt"
]
},
"free_trial": {
"register": "POST https://provebeforeact.com/api/agent/register",
"body": "{\"agent_name\": \"your-agent-name\"}",
"free_certifications": 10,
"description": "Register for 10 free certifications. No wallet, no payment, no browser. Pure HTTP."
},
"pricing": {
"model": "per-use",
"amount": "0.01",
"currency": "USD",
"payment_methods": [
"EGLD (MultiversX)",
"USDC (Base via x402)"
]
},
"documentation": {
"agent_context": "https://provebeforeact.com/agent-context.md",
"specification": "https://provebeforeact.com/.well-known/provebeforeact.md",
"api_guide": "https://provebeforeact.com/learn/api.md",
"verification": "https://provebeforeact.com/learn/verification.md",
"agents_page": "https://provebeforeact.com/agents",
"compact_discovery": "https://provebeforeact.com/.well-known/provebeforeact.json"
}
}