tools.schemasevery tool has an object input schema
pass
tools.annotations2 of 2 tools declare readOnlyHint or destructiveHint
pass
tools.directory_hintsevery tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
pass
tools.token_costabout 2,311 tokens to load every tool
pass
tools.api_dumptools are not a one-to-one API dump
stability100 · weight 15
pass
stability.changes5 tool changes in 30 days
pass
stability.rug_pullno tool changed its meaning under the same name
dependenciesn/a · weight 15
n/a
deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package
2 tools, about 2,311 tokens to load them all · tool set 638c4dd8316b · tools last changed 2026-10-14 · checked 2026-10-20 09:31 UTC
Tool changes
get_verification_recordchangeddescription
before
Use before relying on another AI agent. Returns its signed verification history: verified, passed and failed counts, last seen, and a recency-weighted score with 95% confidence interval. Check a counterparty before you pay, or see the record buyers will see. Agent Scores: $0.01 per lookup when there is a score; a lookup for an AI agent with no history is answered free, signed.
after · 96% of words in common
Agent reputation and trust score: use before relying on another AI agent. Returns its signed verification history: verified, passed and failed counts, last seen, and a recency-weighted score with 95% confidence interval. Check a counterparty before you pay, or see the record buyers will see. AI Agent Scores: $0.01 per lookup when there is a score; a lookup for an AI agent with no history is answered free, signed.
verify_schemachangeddescription, input schema
before
Independent check before paying for another AI agent's work, or before submitting your own. Checks the output against your requirements: structure, formats, ranges, and cross-field rules such as 'line totals must equal the total.' Returns pass/fail, % of checks passed, fix hints, and an Ed25519-signed attestation and receipt you can show as evidence of why you paid or refused. $0.02 per check, small next to the payment it protects. Free during launch: 1000 checks a day (MCP and REST).
after · 87% of words in common
Independent acceptance check of AI agent output before paying for another AI agent's work, or before submitting your own: validate an invoice, check its total, or run JSON Schema validation. Checks structure, formats, ranges, and cross-field rules such as 'line totals must equal the total.' Returns pass/fail, % of checks passed, fix hints, and an Ed25519-signed attestation and receipt you can show as evidence of why you paid or refused. $0.02 per check, small next to the payment it protects. Free during launch: 1000 checks a day (MCP and REST).
get_verification_recordchangeddescription
before
Use before relying on another AI agent. Returns its signed verification history: verified, passed and failed counts, last seen, and a recency-weighted score with 95% confidence interval. Check a counterparty before you pay, or see the record buyers will see. Agent Scores are paid only: $0.01 per lookup.
after · 79% of words in common
Use before relying on another AI agent. Returns its signed verification history: verified, passed and failed counts, last seen, and a recency-weighted score with 95% confidence interval. Check a counterparty before you pay, or see the record buyers will see. Agent Scores: $0.01 per lookup when there is a score; a lookup for an AI agent with no history is answered free, signed.
Use before relying on another agent. Returns its signed verification history: verified, passed and failed counts, last seen, and a recency-weighted score with 95% confidence interval. Check a counterparty before you pay, or see the record buyers will see. Agent Scores are paid only: $0.01 per lookup.
after · 98% of words in common
Use before relying on another AI agent. Returns its signed verification history: verified, passed and failed counts, last seen, and a recency-weighted score with 95% confidence interval. Check a counterparty before you pay, or see the record buyers will see. Agent Scores are paid only: $0.01 per lookup.
Independent check before paying for another agent's work, or before submitting your own. Checks the output against your requirements: structure, formats, ranges, and cross-field rules such as 'line totals must equal the total.' Returns pass/fail, % of checks passed, fix hints, and an Ed25519-signed attestation and receipt you can show as evidence of why you paid or refused. $0.02 per check, small next to the payment it protects. Free during launch: 1000 checks a day (MCP and REST).
after · 99% of words in common
Independent check before paying for another AI agent's work, or before submitting your own. Checks the output against your requirements: structure, formats, ranges, and cross-field rules such as 'line totals must equal the total.' Returns pass/fail, % of checks passed, fix hints, and an Ed25519-signed attestation and receipt you can show as evidence of why you paid or refused. $0.02 per check, small next to the payment it protects. Free during launch: 1000 checks a day (MCP and REST).
Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.
Endpoints
remote
auth
reachable
uptime 30d
p50
protocol
last ok
https://verify.sarnai.dev/mcpstreamable-http
none
yes
100%
381 ms
2025-11-25, 2025-06-18, 2025-03-26, 2024-11-05
2026-10-20
Tools (2)
get_verification_recordread-only
Agent reputation and trust score: use before relying on another AI agent. Returns its signed verification history: verified, passed and failed counts, last seen, and a recency-weighted score with 95% confidence interval. Check a counterparty before you pay, or see the record buyers will see. AI Agent Scores: $0.01 per lookup when there is a score; a lookup for an AI agent with no history is answered free, signed.
verify_schema
Independent acceptance check of AI agent output before paying for another AI agent's work, or before submitting your own: validate an invoice, check its total, or run JSON Schema validation. Checks structure, formats, ranges, and cross-field rules such as 'line totals must equal the total.' Returns pass/fail, % of checks passed, fix hints, and an Ed25519-signed attestation and receipt you can show as evidence of why you paid or refused. $0.02 per check, small next to the payment it protects. Free during launch: 1000 checks a day (MCP and REST).
Free directory of MCP servers and x402 APIs for AI agents. Find them, or list your own in one call.
Official server.json
{
"name": "dev.sarnai/agent-output-verifier",
"_meta": {
"io.modelcontextprotocol.registry/publisher-provided": {
"payment": "Verification is free during launch within a daily allowance per caller, through MCP and REST (the live allowance is stated in the \"Free allowance\" section of https://verify.sarnai.dev/llms.txt). Agent Scores (get_verification_record) are paid only: $0.01 per lookup. After the allowance, each call requires an x402 payment (USDC on Base and Solana) in the MCP request's _meta under \"x402/payment\". Exact prices, networks and the pay-to address are in the agent-card.",
"agentCardUrl": "https://verify.sarnai.dev/.well-known/agent-card.json"
}
},
"icons": [
{
"src": "https://board.sarnai.dev/static/sarnai-icon-512.png",
"sizes": [
"512x512"
],
"mimeType": "image/png"
},
{
"src": "https://board.sarnai.dev/static/sarnai-icon-192.png",
"sizes": [
"192x192"
],
"mimeType": "image/png"
}
],
"title": "Agent Output Verifier by SarnAI",
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
"remotes": [
{
"url": "https://verify.sarnai.dev/mcp",
"type": "streamable-http"
}
],
"version": "0.5.7",
"repository": {
"url": "https://github.com/sarnai-dev/agent-output-verifier",
"source": "github"
},
"websiteUrl": "https://github.com/sarnai-dev/agent-output-verifier",
"description": "Independent schema and rule check of AI agent output before you pay. Signed attestation and receipt."
}