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8 clients · secrets stay placeholders

JSON (mcpServers)Claude CodeCodexOpenCodeCursorVS CodeGemini CLIGoose

{
  "mcpServers": {
    "e2a": {
      "type": "http",
      "url": "https://api.e2a.dev/mcp",
      "headers": {
        "Authorization": "Bearer ${e2a_api_key}"
      }
    }
  }
}

claude mcp add --transport http e2a https://api.e2a.dev/mcp --header "Authorization: Bearer ${e2a_api_key}"

[mcp_servers.e2a]
url = "https://api.e2a.dev/mcp"
bearer_token_env_var = "e2a_api_key"

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "e2a": {
      "type": "remote",
      "url": "https://api.e2a.dev/mcp",
      "enabled": true,
      "headers": {
        "Authorization": "Bearer {env:e2a_api_key}"
      }
    }
  }
}

{
  "mcpServers": {
    "e2a": {
      "type": "http",
      "url": "https://api.e2a.dev/mcp",
      "headers": {
        "Authorization": "Bearer ${e2a_api_key}"
      }
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=e2a&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vYXBpLmUyYS5kZXYvbWNwIiwiaGVhZGVycyI6eyJBdXRob3JpemF0aW9uIjoiQmVhcmVyICR7ZTJhX2FwaV9rZXl9In19"
}

{
  "servers": {
    "e2a": {
      "type": "http",
      "url": "https://api.e2a.dev/mcp",
      "headers": {
        "Authorization": "Bearer ${e2a_api_key}"
      }
    }
  }
}

{
  "mcpServers": {
    "e2a": {
      "httpUrl": "https://api.e2a.dev/mcp",
      "headers": {
        "Authorization": "Bearer ${e2a_api_key}"
      }
    }
  }
}

extensions:
  "e2a":
    enabled: true
    name: "e2a"
    type: streamable_http
    uri: "https://api.e2a.dev/mcp"
    headers:
      "Authorization": "Bearer ${e2a_api_key}"
    timeout: 300

Placeholders to fill from your own secret store: ${e2a_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.resolvableno npm or PyPI package

Tool list unknown · checked 2026-10-20 14:54 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 93 / 100

provenance85

liveness100

freshness85

hygiene100

+repository +dns-namespace +website +reachable +uptime-100% ~updated-84d-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://api.e2a.dev/mcp` streamable-http	oauth2 AS: https://api.e2a.dev	yes	100%	347 ms	–	2026-10-20

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.e2a/mcp-server",
  "title": "e2a — email for AI agents",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://api.e2a.dev/mcp",
      "type": "streamable-http",
      "headers": [
        {
          "name": "Authorization",
          "value": "Bearer {e2a_api_key}",
          "variables": {
            "e2a_api_key": {
              "isSecret": true,
              "description": "Your e2a API key from https://e2a.dev (optional — OAuth needs no pasted key)."
            }
          },
          "description": "OAuth 2.1 is the recommended connection (add the connector and authorize — no key to paste; auto-discovered via /.well-known/oauth-protected-resource). For programmatic / self-host use, a Bearer e2a API key (e2a_acct_… or e2a_agt_…) is also accepted."
        }
      ]
    }
  ],
  "version": "1.0.0",
  "repository": {
    "url": "https://github.com/tokencanopy/e2a",
    "source": "github",
    "subfolder": "mcp"
  },
  "websiteUrl": "https://e2a.dev",
  "description": "Authenticated email gateway for AI agents — per-agent inboxes, HITL approval, SPF/DKIM verified."
}