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8 clients · secrets stay placeholders

JSON (mcpServers)Claude CodeCodexOpenCodeCursorVS CodeGemini CLIGoose

{
  "mcpServers": {
    "send-email": {
      "type": "http",
      "url": "https://next.hal9.ai/mcp/mcpbuild/send-email"
    }
  }
}

claude mcp add --transport http send-email https://next.hal9.ai/mcp/mcpbuild/send-email

[mcp_servers.send-email]
url = "https://next.hal9.ai/mcp/mcpbuild/send-email"

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "send-email": {
      "type": "remote",
      "url": "https://next.hal9.ai/mcp/mcpbuild/send-email",
      "enabled": true
    }
  }
}

{
  "mcpServers": {
    "send-email": {
      "type": "http",
      "url": "https://next.hal9.ai/mcp/mcpbuild/send-email"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=send-email&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vbmV4dC5oYWw5LmFpL21jcC9tY3BidWlsZC9zZW5kLWVtYWlsIn0%3D"
}

{
  "servers": {
    "send-email": {
      "type": "http",
      "url": "https://next.hal9.ai/mcp/mcpbuild/send-email"
    }
  }
}

{
  "mcpServers": {
    "send-email": {
      "httpUrl": "https://next.hal9.ai/mcp/mcpbuild/send-email"
    }
  }
}

extensions:
  "send-email":
    enabled: true
    name: "send-email"
    type: streamable_http
    uri: "https://next.hal9.ai/mcp/mcpbuild/send-email"
    timeout: 300

Quality 79 / 100good

protocol75 · weight 25

warn
protocol.modernnewest supported version is 2025-06-18; 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: chat (readOnlyHint, destructiveHint, idempotentHint, openWorldHint)
pass
tools.token_costabout 82 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

dependenciesn/a · weight 15

n/a
deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

1 tools, about 82 tokens to load them all · tool set 329ddcf57533 · checked 2026-10-09 23:53 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 64 / 100

unreachable

provenance90

liveness0

freshness85

hygiene100

+repository +namespace-matches-repo +website -unreachable(8 failures) ~updated-38d-ago

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

Endpoints

remote	auth	reachable	uptime 30d	p50	protocol	last ok
`https://next.hal9.ai/mcp/mcpbuild/send-email` streamable-http	none	no (8 failures)	73%	279 ms	2025-06-18	2026-09-25

Tools (1)

chat Send emails via Resend using natural language prompts

Schemas: list_tools.

Also listed as

1 other active names share this repository: io.github.hal9ai/run-python

Official server.json

{
  "name": "io.github.hal9ai/send-email",
  "title": "Send Email",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://next.hal9.ai/mcp/mcpbuild/send-email",
      "type": "streamable-http"
    }
  ],
  "version": "0.0.2",
  "repository": {
    "id": "1327233276",
    "url": "https://github.com/hal9ai/mcp.build",
    "source": "github",
    "subfolder": "send-email"
  },
  "websiteUrl": "https://mcp.build/send-email/",
  "description": "Send emails from natural language prompts."
}