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8 clients · secrets stay placeholders

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{
  "mcpServers": {
    "meser10-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@meser10/[email protected]"
      ],
      "env": {
        "MESER10_API_KEY": "${MESER10_API_KEY}",
        "MESER10_MODE": "read",
        "MESER10_MAX_RECIPIENTS": "100"
      }
    }
  }
}

claude mcp add meser10-mcp -e "MESER10_API_KEY=${MESER10_API_KEY}" -e "MESER10_MODE=read" -e "MESER10_MAX_RECIPIENTS=100" -- npx -y @meser10/[email protected]

[mcp_servers.meser10-mcp]
command = "npx"
args = ["-y", "@meser10/[email protected]"]
env = { "MESER10_API_KEY" = "${MESER10_API_KEY}", "MESER10_MODE" = "read", "MESER10_MAX_RECIPIENTS" = "100" }

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "meser10-mcp": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "@meser10/[email protected]"
      ],
      "enabled": true,
      "environment": {
        "MESER10_API_KEY": "{env:MESER10_API_KEY}",
        "MESER10_MODE": "read",
        "MESER10_MAX_RECIPIENTS": "100"
      }
    }
  }
}

{
  "mcpServers": {
    "meser10-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@meser10/[email protected]"
      ],
      "env": {
        "MESER10_API_KEY": "${MESER10_API_KEY}",
        "MESER10_MODE": "read",
        "MESER10_MAX_RECIPIENTS": "100"
      }
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=meser10-mcp&config=eyJjb21tYW5kIjoibnB4IiwiYXJncyI6WyIteSIsIkBtZXNlcjEwL21jcC1zZXJ2ZXJAMS4wLjIiXSwiZW52Ijp7Ik1FU0VSMTBfQVBJX0tFWSI6IiR7TUVTRVIxMF9BUElfS0VZfSIsIk1FU0VSMTBfTU9ERSI6InJlYWQiLCJNRVNFUjEwX01BWF9SRUNJUElFTlRTIjoiMTAwIn19"
}

{
  "servers": {
    "meser10-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@meser10/[email protected]"
      ],
      "env": {
        "MESER10_API_KEY": "${MESER10_API_KEY}",
        "MESER10_MODE": "read",
        "MESER10_MAX_RECIPIENTS": "100"
      }
    }
  }
}

{
  "mcpServers": {
    "meser10-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@meser10/[email protected]"
      ],
      "env": {
        "MESER10_API_KEY": "${MESER10_API_KEY}",
        "MESER10_MODE": "read",
        "MESER10_MAX_RECIPIENTS": "100"
      }
    }
  }
}

extensions:
  "meser10-mcp":
    enabled: true
    name: "meser10-mcp"
    type: stdio
    cmd: "npx"
    args:
      - "-y"
      - "@meser10/[email protected]"
    envs:
      "MESER10_API_KEY": "${MESER10_API_KEY}"
      "MESER10_MODE": "read"
      "MESER10_MAX_RECIPIENTS": "100"
    timeout: 300

Placeholders to fill from your own secret store: ${MESER10_API_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

dependencies50 · weight 15

warn
deps.known_vulns1 advisory of lower severity or without a published fix: GHSA-gh4j-gqv2-49f6 in [email protected] (direct, fixed in 5.7.0)
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@meser10/[email protected] resolved: 100 packages

Tool list unknown · checked 2026-10-19 10:20 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 96 / 100

provenance90

livenessn/a

freshness100

hygiene100

+repository +namespace-matches-repo +website ~liveness-unmeasured +updated-30d-ago

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

Dependencies

@meser10/[email protected] npm99 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`
GHSA-gh4j-gqv2-49f6fast-xml-parser XMLBuilder: XML Comment and CDATA Injection via Unescaped Delimiters	moderate	`[email protected]`direct	fixed in `5.7.0`

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
`@meser10/mcp-server`	npm	1.0.2	–	`MESER10_API_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.meser10/meser10-mcp",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "version": "1.0.2",
  "packages": [
    {
      "version": "1.0.2",
      "transport": {
        "type": "stdio"
      },
      "identifier": "@meser10/mcp-server",
      "registryType": "npm",
      "environmentVariables": [
        {
          "name": "MESER10_API_KEY",
          "format": "string",
          "isSecret": true,
          "isRequired": true,
          "description": "API key issued in the Meser 10 UI under My Account, Advanced settings, API settings."
        },
        {
          "name": "MESER10_USER_ID",
          "format": "string",
          "description": "Meser 10 account number. Not a secret. Optional: 17 of the 61 operations authenticate on the key alone, the other 44 need it."
        },
        {
          "name": "MESER10_MODE",
          "format": "string",
          "default": "read",
          "description": "Safety gate: read (default), write, send or destructive. Each level adds tools; send delivers to real recipients and spends credit."
        },
        {
          "name": "MESER10_MAX_RECIPIENTS",
          "format": "number",
          "default": "100",
          "description": "Refuses any single send targeting more addresses than this cap."
        }
      ]
    }
  ],
  "repository": {
    "url": "https://github.com/meser10/meser10-mcp",
    "source": "github"
  },
  "websiteUrl": "https://www.meser10.co.il/features/mcp-server/",
  "description": "Operate the Meser 10 email and SMS platform from any MCP client. Read-only by default."
}