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UniOne

R2· OAuth, once

Send transactional email and manage domains, templates and webhooks in UniOne from AI agents.

v1.0.2 · active · repository · website · descriptor JSON · versions

An agent can connect after a one-time OAuth consent by a human.Remote endpoint behind OAuth 2. Tokens stay with the agent; the registry only exposes the authorization metadata.
Quality100strong
Trust96of 100
Uptime, 30 days100%
Latency p50557 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "unione": {
      "type": "http",
      "url": "https://mcp.unione.io/mcp",
      "headers": {
        "Authorization": "Bearer ${UNIONE_TOKEN}"
      }
    }
  }
}
claude mcp add --transport http unione https://mcp.unione.io/mcp --header "Authorization: Bearer ${UNIONE_TOKEN}"
[mcp_servers.unione]
url = "https://mcp.unione.io/mcp"
bearer_token_env_var = "UNIONE_TOKEN"

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "unione": {
      "type": "remote",
      "url": "https://mcp.unione.io/mcp",
      "enabled": true,
      "headers": {
        "Authorization": "Bearer {env:UNIONE_TOKEN}"
      }
    }
  }
}
{
  "mcpServers": {
    "unione": {
      "type": "http",
      "url": "https://mcp.unione.io/mcp",
      "headers": {
        "Authorization": "Bearer ${UNIONE_TOKEN}"
      }
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=unione&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vbWNwLnVuaW9uZS5pby9tY3AiLCJoZWFkZXJzIjp7IkF1dGhvcml6YXRpb24iOiJCZWFyZXIgJHtVTklPTkVfVE9LRU59In19"
}
{
  "servers": {
    "unione": {
      "type": "http",
      "url": "https://mcp.unione.io/mcp",
      "headers": {
        "Authorization": "Bearer ${UNIONE_TOKEN}"
      }
    }
  }
}
{
  "mcpServers": {
    "unione": {
      "httpUrl": "https://mcp.unione.io/mcp",
      "headers": {
        "Authorization": "Bearer ${UNIONE_TOKEN}"
      }
    }
  }
}
extensions:
  "unione":
    enabled: true
    name: "unione"
    type: streamable_http
    uri: "https://mcp.unione.io/mcp"
    headers:
      "Authorization": "Bearer ${UNIONE_TOKEN}"
    timeout: 300

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

Quality 100 / 100strong

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)
authorization100 · weight 15
  • pass
    auth.prmProtected Resource Metadata (RFC 9728) published
  • pass
    auth.as_metadataauthorization server metadata reachable
  • pass
    auth.cimdClient ID Metadata Documents supported
  • 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_dump, tools.hidden_texttool list unknown (behind auth, not probed, or empty)
stabilityn/a · weight 15
  • n/a
    stability.changes, stability.rug_pull, stability.new_linkstool list unknown
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

Tool list unknown · checked 2026-11-14 08:10 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

provenance85
liveness100
freshness100
hygiene100

+repository +dns-namespace +website +reachable +uptime-100% +updated-8d-ago

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

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://mcp.unione.io/mcp streamable-httpoauth2 AS: https://api.unione.ioyes100%557 ms–2026-11-14

Tools (0)

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

Schemas: list_tools.

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Official server.json
{
  "name": "io.unione/mcp",
  "title": "UniOne",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://mcp.unione.io/mcp",
      "type": "streamable-http",
      "headers": [
        {
          "name": "Authorization",
          "isSecret": true,
          "description": "Optional. Bearer <UniOne API key> instead of signing in with OAuth."
        }
      ]
    }
  ],
  "version": "1.0.2",
  "repository": {
    "url": "https://github.com/unione-repo/unione-mcp",
    "source": "github"
  },
  "websiteUrl": "https://unione.io/en/mcp",
  "description": "Send transactional email and manage domains, templates and webhooks in UniOne from AI agents."
}