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8 clients · secrets stay placeholders

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{
  "mcpServers": {
    "halowerk-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "HALOWERK_PRIVATE_KEY": "${HALOWERK_PRIVATE_KEY}",
        "HALOWERK_MAX_PREIS_USDC": "0.05",
        "HALOWERK_BUDGET_USDC": "1.00",
        "HALOWERK_MODUS": "hero"
      }
    }
  }
}

claude mcp add halowerk-mcp -e "HALOWERK_PRIVATE_KEY=${HALOWERK_PRIVATE_KEY}" -e "HALOWERK_MAX_PREIS_USDC=0.05" -e "HALOWERK_BUDGET_USDC=1.00" -e "HALOWERK_MODUS=hero" -- npx -y [email protected]

[mcp_servers.halowerk-mcp]
command = "npx"
args = ["-y", "[email protected]"]
env = { "HALOWERK_PRIVATE_KEY" = "${HALOWERK_PRIVATE_KEY}", "HALOWERK_MAX_PREIS_USDC" = "0.05", "HALOWERK_BUDGET_USDC" = "1.00", "HALOWERK_MODUS" = "hero" }

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "halowerk-mcp": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "[email protected]"
      ],
      "enabled": true,
      "environment": {
        "HALOWERK_PRIVATE_KEY": "{env:HALOWERK_PRIVATE_KEY}",
        "HALOWERK_MAX_PREIS_USDC": "0.05",
        "HALOWERK_BUDGET_USDC": "1.00",
        "HALOWERK_MODUS": "hero"
      }
    }
  }
}

{
  "mcpServers": {
    "halowerk-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "HALOWERK_PRIVATE_KEY": "${HALOWERK_PRIVATE_KEY}",
        "HALOWERK_MAX_PREIS_USDC": "0.05",
        "HALOWERK_BUDGET_USDC": "1.00",
        "HALOWERK_MODUS": "hero"
      }
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=halowerk-mcp&config=eyJjb21tYW5kIjoibnB4IiwiYXJncyI6WyIteSIsImhhbG93ZXJrLW1jcEAwLjEuMSJdLCJlbnYiOnsiSEFMT1dFUktfUFJJVkFURV9LRVkiOiIke0hBTE9XRVJLX1BSSVZBVEVfS0VZfSIsIkhBTE9XRVJLX01BWF9QUkVJU19VU0RDIjoiMC4wNSIsIkhBTE9XRVJLX0JVREdFVF9VU0RDIjoiMS4wMCIsIkhBTE9XRVJLX01PRFVTIjoiaGVybyJ9fQ%3D%3D"
}

{
  "servers": {
    "halowerk-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "HALOWERK_PRIVATE_KEY": "${HALOWERK_PRIVATE_KEY}",
        "HALOWERK_MAX_PREIS_USDC": "0.05",
        "HALOWERK_BUDGET_USDC": "1.00",
        "HALOWERK_MODUS": "hero"
      }
    }
  }
}

{
  "mcpServers": {
    "halowerk-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "HALOWERK_PRIVATE_KEY": "${HALOWERK_PRIVATE_KEY}",
        "HALOWERK_MAX_PREIS_USDC": "0.05",
        "HALOWERK_BUDGET_USDC": "1.00",
        "HALOWERK_MODUS": "hero"
      }
    }
  }
}

extensions:
  "halowerk-mcp":
    enabled: true
    name: "halowerk-mcp"
    type: stdio
    cmd: "npx"
    args:
      - "-y"
      - "[email protected]"
    envs:
      "HALOWERK_PRIVATE_KEY": "${HALOWERK_PRIVATE_KEY}"
      "HALOWERK_MAX_PREIS_USDC": "0.05"
      "HALOWERK_BUDGET_USDC": "1.00"
      "HALOWERK_MODUS": "hero"
    timeout: 300

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

This is a local package: the command runs on your machine.

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

dependencies67 · weight 15

pass
deps.known_vulnsno known advisory in 116 resolved packages
fail
deps.mcp_sdk_version@modelcontextprotocol/sdk 1.30.1 has 1 known advisory (GHSA-6qxp-vccf-f47h); update @modelcontextprotocol/sdk to 1.31.0 or later
pass
deps.resolvable[email protected] resolved: 116 packages

Tool list unknown · checked 2026-10-20 18:38 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 87 / 100

provenance80

livenessn/a

freshness85

hygiene100

+repository +namespace-matches-repo ~liveness-unmeasured ~updated-69d-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] npm115 dependencies, resolved · MCP SDK @modelcontextprotocol/sdk 1.30.1 · advisories checked 2026-10-19

advisory	severity	package	fixed in
GHSA-6qxp-vccf-f47hMCP TypeScript SDK: OAuth client could send credentials to an authorization server chosen by the MCP server	high	`@modelcontextprotocol/[email protected]`MCP SDK, direct	fixed in `1.31.0`

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

package	registry	version	runtime	secrets
`halowerk-mcp`	npm	0.1.1	–	`HALOWERK_PRIVATE_KEY`

Tools (0)

No tools observed. Local packages are never executed by the registry.

Schemas: list_tools.

Similar MCP servers

Official server.json

{
  "name": "io.github.halowerk/halowerk-mcp",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "version": "0.1.1",
  "packages": [
    {
      "version": "0.1.1",
      "transport": {
        "type": "stdio"
      },
      "identifier": "halowerk-mcp",
      "registryType": "npm",
      "environmentVariables": [
        {
          "name": "HALOWERK_PRIVATE_KEY",
          "isSecret": true,
          "description": "Private key of the paying wallet, hex with or without 0x. Use a throwaway wallet holding only a few dollars of USDC on Base. Without it, only the free catalogue and price tools work."
        },
        {
          "name": "HALOWERK_MAX_PREIS_USDC",
          "default": "0.05",
          "description": "Ceiling per call in USDC. A more expensive service is refused, not bought. Default 0.05."
        },
        {
          "name": "HALOWERK_BUDGET_USDC",
          "default": "1.00",
          "description": "Ceiling per session in USDC. Once reached the server refuses further paid calls. Default 1.00."
        },
        {
          "name": "HALOWERK_MODUS",
          "default": "hero",
          "description": "hero (12 curated services, default), gateway (3 meta-tools, smallest context) or all (70 services)."
        },
        {
          "name": "HALOWERK_TROCKEN",
          "description": "Set to 1 for a dry run: returns price and call plan, pays nothing."
        }
      ]
    }
  ],
  "repository": {
    "url": "https://github.com/halowerk/halowerk-mcp",
    "source": "github"
  },
  "description": "134 paid APIs as MCP tools, billed per call in USDC on Base. No account, no login."
}