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8 clients · secrets stay placeholders

JSON (mcpServers)Claude CodeCodexOpenCodeCursorVS CodeGemini CLIGoose

{
  "mcpServers": {
    "eusend": {
      "type": "http",
      "url": "https://mcp.eusend.dev/mcp",
      "headers": {
        "Authorization": "Bearer ${api_key}"
      }
    }
  }
}

claude mcp add --transport http eusend https://mcp.eusend.dev/mcp --header "Authorization: Bearer ${api_key}"

[mcp_servers.eusend]
url = "https://mcp.eusend.dev/mcp"
bearer_token_env_var = "api_key"

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "eusend": {
      "type": "remote",
      "url": "https://mcp.eusend.dev/mcp",
      "enabled": true,
      "headers": {
        "Authorization": "Bearer {env:api_key}"
      }
    }
  }
}

{
  "mcpServers": {
    "eusend": {
      "type": "http",
      "url": "https://mcp.eusend.dev/mcp",
      "headers": {
        "Authorization": "Bearer ${api_key}"
      }
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=eusend&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vbWNwLmV1c2VuZC5kZXYvbWNwIiwiaGVhZGVycyI6eyJBdXRob3JpemF0aW9uIjoiQmVhcmVyICR7YXBpX2tleX0ifX0%3D"
}

{
  "servers": {
    "eusend": {
      "type": "http",
      "url": "https://mcp.eusend.dev/mcp",
      "headers": {
        "Authorization": "Bearer ${api_key}"
      }
    }
  }
}

{
  "mcpServers": {
    "eusend": {
      "httpUrl": "https://mcp.eusend.dev/mcp",
      "headers": {
        "Authorization": "Bearer ${api_key}"
      }
    }
  }
}

extensions:
  "eusend":
    enabled: true
    name: "eusend"
    type: streamable_http
    uri: "https://mcp.eusend.dev/mcp"
    headers:
      "Authorization": "Bearer ${api_key}"
    timeout: 300

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

Quality 83 / 100good

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)

authorization83 · weight 15

pass
auth.prmProtected Resource Metadata (RFC 9728) published
pass
auth.as_metadataauthorization server metadata reachable
warn
auth.cimdonly Dynamic Client Registration, deprecated in 2026-07-28 in favour of CIMD
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.resolvabledeps.dev does not know @eusend_dev/[email protected]

Tool list unknown · checked 2026-10-19 12:32 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 83 / 100

no-repository

provenance55

liveness100

freshness100

hygiene80

+dns-namespace +website +reachable +uptime-99% +updated-1d-ago -no-repository

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

Dependencies

@eusend_dev/[email protected] npmthis version is not known to the dependency resolver

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

remote	auth	reachable	uptime 30d	p50	protocol	last ok
`https://mcp.eusend.dev/mcp` streamable-http	oauth2 AS: https://eusend.dev/api/auth	yes	99%	518 ms	–	2026-10-19

package	registry	version	runtime	secrets
`@eusend_dev/mcp`	npm	0.12.0	npx	`EUSEND_API_KEY`

Tools (0)

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

Schemas: list_tools.

Similar MCP servers

Official server.json

{
  "name": "dev.eusend/eusend",
  "title": "Eusend",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://mcp.eusend.dev/mcp",
      "type": "streamable-http",
      "headers": [
        {
          "name": "Authorization",
          "value": "Bearer {api_key}",
          "isSecret": true,
          "variables": {
            "api_key": {
              "isSecret": true,
              "description": "Eusend API key (eu_live_… or eu_test_…)."
            }
          },
          "description": "Bearer token carrying your eusend API key. Omit to sign in with OAuth instead."
        }
      ]
    }
  ],
  "version": "0.12.0",
  "packages": [
    {
      "version": "0.12.0",
      "transport": {
        "type": "stdio"
      },
      "identifier": "@eusend_dev/mcp",
      "runtimeHint": "npx",
      "registryType": "npm",
      "environmentVariables": [
        {
          "name": "EUSEND_API_KEY",
          "isSecret": true,
          "isRequired": true,
          "description": "Eusend API key. Use an eu_test_ key to trial calls without delivering mail."
        },
        {
          "name": "EUSEND_FROM",
          "format": "string",
          "description": "Default sender address, so the assistant does not guess an unverified one."
        },
        {
          "name": "EUSEND_REPLY_TO",
          "format": "string",
          "description": "Default reply-to address used when a send omits one."
        }
      ]
    }
  ],
  "websiteUrl": "https://eusend.dev/docs/mcp",
  "description": "Send transactional email and manage domains, audiences, and broadcasts from any MCP client."
}