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GateCheck by LarryBuildsAI

R1· needs a key

One-cent x402 and MCP readiness checks plus fixed-price marketplace launch packs.

v0.1.3 · active · repository · website · descriptor JSON · versions

An agent can connect on its own if it already holds GATECHECK_TOKEN.Remote endpoint behind a static API key or header. The registry never sees the value; the agent fills the placeholder.
Quality–not scored
Trust90of 100
Uptime, 30 days100%
Latency p50211 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "gatecheck": {
      "type": "http",
      "url": "https://proofbeforepay.vercel.app/gatecheck/mcp",
      "headers": {
        "Authorization": "Bearer ${GATECHECK_TOKEN}"
      }
    }
  }
}
claude mcp add --transport http gatecheck https://proofbeforepay.vercel.app/gatecheck/mcp --header "Authorization: Bearer ${GATECHECK_TOKEN}"
[mcp_servers.gatecheck]
url = "https://proofbeforepay.vercel.app/gatecheck/mcp"
bearer_token_env_var = "GATECHECK_TOKEN"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "gatecheck": {
      "type": "remote",
      "url": "https://proofbeforepay.vercel.app/gatecheck/mcp",
      "enabled": true,
      "headers": {
        "Authorization": "Bearer {env:GATECHECK_TOKEN}"
      }
    }
  }
}
{
  "mcpServers": {
    "gatecheck": {
      "type": "http",
      "url": "https://proofbeforepay.vercel.app/gatecheck/mcp",
      "headers": {
        "Authorization": "Bearer ${GATECHECK_TOKEN}"
      }
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=gatecheck&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vcHJvb2ZiZWZvcmVwYXkudmVyY2VsLmFwcC9nYXRlY2hlY2svbWNwIiwiaGVhZGVycyI6eyJBdXRob3JpemF0aW9uIjoiQmVhcmVyICR7R0FURUNIRUNLX1RPS0VOfSJ9fQ%3D%3D"
}
{
  "servers": {
    "gatecheck": {
      "type": "http",
      "url": "https://proofbeforepay.vercel.app/gatecheck/mcp",
      "headers": {
        "Authorization": "Bearer ${GATECHECK_TOKEN}"
      }
    }
  }
}
{
  "mcpServers": {
    "gatecheck": {
      "httpUrl": "https://proofbeforepay.vercel.app/gatecheck/mcp",
      "headers": {
        "Authorization": "Bearer ${GATECHECK_TOKEN}"
      }
    }
  }
}
extensions:
  "gatecheck":
    enabled: true
    name: "gatecheck"
    type: streamable_http
    uri: "https://proofbeforepay.vercel.app/gatecheck/mcp"
    headers:
      "Authorization": "Bearer ${GATECHECK_TOKEN}"
    timeout: 300

Placeholders to fill from your own secret store: ${GATECHECK_TOKEN}. The registry never accepts secret values.

Quality – / 100not scored

Not scored: fewer than three checks apply, usually because no remote answered a credential-free probe or the server is a local package.

protocoln/a · weight 25
  • n/a
    protocol.modern, protocol.stateless, protocol.transport, protocol.list_ttlno remote answered a protocol handshake (not probed yet, unreachable, or local-only)
authorizationn/a · weight 15
  • n/a
    auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
  • n/a
    auth.secret_in_urlno templated URL
tool hygienen/a · weight 30
  • n/a
    tools.descriptions, tools.description_length, tools.schemas, tools.annotations, tools.directory_hints, tools.token_cost, tools.api_dumptool list unknown (behind auth, not probed, or empty)
stabilityn/a · weight 15
  • n/a
    stability.changes, stability.rug_pulltool list unknown
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

Tool list unknown · checked 2026-10-19 13:37 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 90 / 100

provenance90
liveness100
freshness65
hygiene100

+repository +namespace-matches-repo +website +reachable +uptime-100% ~updated-97d-ago

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://proofbeforepay.vercel.app/gatecheck/mcp streamable-httpapi_key ${GATECHECK_TOKEN}yes100%211 ms–2026-10-19

Tools (0)

No tools observed. Tools appear once a credential-free probe can list them.

Schemas: list_tools.

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More from io.github.LarryLemonBot

Official server.json
{
  "name": "io.github.LarryLemonBot/gatecheck",
  "_meta": {
    "io.modelcontextprotocol.registry/publisher-provided": {
      "docs": "https://proofbeforepay.vercel.app/gatecheck/llms.txt",
      "homepage": "https://proofbeforepay.vercel.app/gatecheck",
      "scorecard": "https://github.com/LarryLemonBot/gatecheck/blob/main/scorecard.md",
      "serverCard": "https://proofbeforepay.vercel.app/gatecheck/.well-known/mcp/server-card.json",
      "productCard": "https://proofbeforepay.vercel.app/gatecheck/product-card.md",
      "productName": "GateCheck",
      "searchTerms": [
        "GateCheck",
        "GateCheck by LarryBuildsAI",
        "LarryBuildsAI GateCheck",
        "paid agent tool readiness",
        "paid tool readiness",
        "x402 seller readiness",
        "x402 readiness report",
        "MCP seller readiness",
        "MCP launch pack"
      ],
      "marketplaces": "https://proofbeforepay.vercel.app/gatecheck/marketplaces.json",
      "separateFrom": [
        "Signal Desk",
        "ResultRail"
      ],
      "claimBoundary": "GateCheck reports and receipts prove observed public metadata, unpaid 402 behavior, request summaries, hashes, and returned artifacts only; they do not prove marketplace endorsement, settlement, security certification, custody, KYC/AML coverage, buyer adoption, or downstream execution.",
      "payanAgentOffers": [
        {
          "url": "https://payanagent.com/marketplace/offers/kh738f3cbjbe89xhrtgzcxrg558agye2",
          "name": "GateCheck Quick x402 Readiness Check",
          "priceUsd": "0.01"
        },
        {
          "url": "https://payanagent.com/marketplace/offers/kh79mkywpaqdd5ca53hah5e1z98ahzg0",
          "name": "x402 Single-Route Launch Pack",
          "priceUsd": "9.00"
        },
        {
          "url": "https://payanagent.com/marketplace/offers/kh7fw80665fqap3a8wq2pjx8wx8aghzc",
          "name": "x402 Service Launch Pack",
          "priceUsd": "29.00"
        },
        {
          "url": "https://payanagent.com/marketplace/offers/kh76jzxdp8k5e3nr56ctp2c0qh8ag7jj",
          "name": "Premium x402 Marketplace Launch Pack",
          "priceUsd": "49.00"
        }
      ],
      "payanAgentSeller": "https://payanagent.com/marketplace/agents/j57aj29bb7gy71r705s23qkd898ah01c",
      "directoryCategory": "Agent Verification & Security"
    }
  },
  "title": "GateCheck by LarryBuildsAI",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://proofbeforepay.vercel.app/gatecheck/mcp",
      "type": "streamable-http",
      "headers": [
        {
          "name": "Authorization",
          "isSecret": true,
          "description": "Bearer token for protected direct tool execution; public initialize and tools/list are available without it."
        }
      ]
    }
  ],
  "version": "0.1.3",
  "repository": {
    "url": "https://github.com/LarryLemonBot/gatecheck",
    "source": "github"
  },
  "websiteUrl": "https://proofbeforepay.vercel.app/gatecheck",
  "description": "One-cent x402 and MCP readiness checks plus fixed-price marketplace launch packs."
}