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A-Pay Protocol

R0· no sign-in

Universal HTTP 402 Micropayment Protocol & Autonomous Economic Settlement Engine for AI Agents

v0.1.8 · active · repository · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality83good
Trust94of 100
Uptime, 30 days100%
Latency p50290 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "apay": {
      "type": "http",
      "url": "https://apay-network.vercel.app/api/mcp"
    }
  }
}
claude mcp add --transport http apay https://apay-network.vercel.app/api/mcp
[mcp_servers.apay]
url = "https://apay-network.vercel.app/api/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "apay": {
      "type": "remote",
      "url": "https://apay-network.vercel.app/api/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "apay": {
      "type": "http",
      "url": "https://apay-network.vercel.app/api/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=apay&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vYXBheS1uZXR3b3JrLnZlcmNlbC5hcHAvYXBpL21jcCJ9"
}
{
  "servers": {
    "apay": {
      "type": "http",
      "url": "https://apay-network.vercel.app/api/mcp"
    }
  }
}
{
  "mcpServers": {
    "apay": {
      "httpUrl": "https://apay-network.vercel.app/api/mcp"
    }
  }
}
extensions:
  "apay":
    enabled: true
    name: "apay"
    type: streamable_http
    uri: "https://apay-network.vercel.app/api/mcp"
    timeout: 300

Quality 83 / 100good

protocol75 · weight 25
  • warn
    protocol.modernnewest supported version is 2024-11-05; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
  • n/a
    protocol.statelessonly applies to 2026-07-28 servers
  • pass
    protocol.transportstreamable HTTP
  • n/a
    protocol.list_ttlonly applies to 2026-07-28 servers
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 hygiene71 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • fail
    tools.annotationsno tool declares readOnlyHint or destructiveHint, so clients cannot tell safe calls from risky ones
  • fail
    tools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: apay_get_wallet_status (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); apay_set_budget (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); apay_inspect_endpoint (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); …
  • pass
    tools.token_costabout 456 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability100 · weight 15
  • pass
    stability.changesno tool changes in 30 days
  • pass
    stability.rug_pullno tool changed its meaning under the same name
dependencies100 · weight 15
  • pass
    deps.known_vulnsno known advisory in 33 resolved packages
  • n/a
    deps.mcp_sdk_versionthe official MCP SDK is not in the dependency graph
  • pass
    deps.resolvable[email protected] resolved: 33 packages

5 tools, about 456 tokens to load them all · tool set c3959256ef2e · checked 2026-10-19 10:52 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 94 / 100

provenance80
liveness100
freshness100
hygiene100

+repository +namespace-matches-repo +reachable +uptime-100% +updated-22d-ago

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

Dependencies

[email protected] PyPI32 dependencies, resolved · advisories checked 2026-10-19

No known advisory affects this dependency graph.

Dependency graphs from deps.dev; advisories from OSV.dev, including the GitHub Advisory Database and the PyPI Advisory Database; all CC BY 4.0. The graph is what a clean install of this version resolves today; nothing was installed or run. How it is checked.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://apay-network.vercel.app/api/mcp streamable-httpnoneyes100%290 ms2024-11-052026-10-19
packageregistryversionruntimesecrets
apaypypi0.1.8–APAY_PRIVATE_KEY

Tools (5)

apay_get_balanceInspect the agent's live on-chain balances on Base Layer 2, including native ETH (for gas), USDC, and $APAY tokens.
apay_get_wallet_statusInspect the agent's active non-custodial wallet address, network, current spending guardrails, and total spent in USDC and $APAY.
apay_inspect_endpointInspect an endpoint to check if it requires an A-Pay micropayment, inspect the exact price quote, currency, and payout receiver without spending any funds.
apay_requestProbe and automatically pay HTTP 402 crypto micropayments on Base Layer 2 with USDC or $APAY within pre-configured budget limits.
apay_set_budgetConfigure agent safety invariants and spending guardrails. Prevents runaway loops or overcharging.

Schemas: list_tools.

Similar MCP servers

Official server.json
{
  "name": "io.github.neuralaisofficial-lang/apay",
  "title": "A-Pay Protocol",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://apay-network.vercel.app/api/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "0.1.8",
  "packages": [
    {
      "version": "0.1.8",
      "transport": {
        "type": "stdio"
      },
      "identifier": "apay",
      "registryType": "pypi",
      "packageArguments": [
        {
          "type": "positional",
          "value": "mcp"
        }
      ],
      "environmentVariables": [
        {
          "name": "APAY_PRIVATE_KEY",
          "format": "string",
          "isSecret": true,
          "description": "Agent private key for signing EIP-712 payment authorizations (auto-generates non-custodial session wallet if omitted)"
        },
        {
          "name": "APAY_NETWORK",
          "format": "string",
          "default": "base-mainnet",
          "description": "Base network (base-mainnet or base-sepolia)"
        },
        {
          "name": "APAY_CURRENCY",
          "format": "string",
          "default": "DUAL",
          "description": "Preferred payment token (USDC, APAY, or DUAL)"
        },
        {
          "name": "APAY_MAX_PER_CALL",
          "format": "string",
          "default": "0.05",
          "description": "Maximum allowed spend per single HTTP 402 request in USDC (default: 0.05)"
        },
        {
          "name": "APAY_DAILY_BUDGET",
          "format": "string",
          "default": "2.0",
          "description": "Maximum 24-hour spending limit in USDC (default: 2.00)"
        }
      ]
    }
  ],
  "repository": {
    "url": "https://github.com/neuralaisofficial-lang/a_pay",
    "source": "github"
  },
  "description": "Universal HTTP 402 Micropayment Protocol & Autonomous Economic Settlement Engine for AI Agents"
}