IMPLEMENTATION
Call this tool
Connect a user's Resend account once, then configure and run Send Email from your backend or agent.
import { PipedreamClient } from "@pipedream/sdk"
const pd = new PipedreamClient({
projectId: process.env.PIPEDREAM_PROJECT_ID!,
clientId: process.env.PIPEDREAM_CLIENT_ID!,
clientSecret: process.env.PIPEDREAM_CLIENT_SECRET!,
projectEnvironment: "production",
})
const result = await pd.actions.run({
id: "resend-send-email",
externalUserId: "{external_user_id}", // any stable ID for this user in your system
configuredProps: {
resend: { authProvisionId: "apn_xxxxxxx" },
from: "From",
to: ["To"],
},
})
console.log(result)curl -X POST https://api.pipedream.com/v1/connect/{project_id}/actions/run \
-H "Content-Type: application/json" \
-H "X-PD-Environment: production" \
-H "Authorization: Bearer {access_token}" \
-d '{
"external_user_id": "{external_user_id}",
"id": "resend-send-email",
"configured_props": {
"resend": { "authProvisionId": "apn_xxxxxxx" },
"from": "From",
"to": ["To"]
}
}'// accessToken: mint a short-lived token with the Connect SDK — see the MCP guide
const transport = new StreamableHTTPClientTransport(
new URL("https://remote.mcp.pipedream.net/v3"),
{
requestInit: {
headers: {
Authorization: `Bearer ${accessToken}`,
"x-pd-project-id": "{project_id}",
"x-pd-environment": "production",
"x-pd-external-user-id": "{external_user_id}", // any stable ID for this user in your system
"x-pd-app-slug": "resend",
},
},
},
)
const mcp = new Client({ name: "my-agent", version: "1.0.0" })
await mcp.connect(transport)
const { tools } = await mcp.listTools()
// listTools() hands your model this tool's input schema, so it can
// fill the arguments itself:
const result = await mcp.callTool({
name: "resend-send-email",
arguments: {
from: "From",
to: ["To"],
},
})SCHEMA
Inputs
Pipedream supplies the connected account. Your application provides the operation-specific values below. Dynamic inputs are resolved against that user's account.
| Property | Type | Description |
|---|---|---|
from From | string | Sender email address. To include a friendly name, use the format Your Name <sender@domain.com> Required |
to To | string[] | Recipient email address(es). Max 50. Required |
subject Subject | string | Email subject. Required |
html HTML | string | The HTML version of the message. Optional |
text Text | string | The plain text version of the message. Optional |
cc Cc | string | Cc recipient email address(es). Optional |
bcc Bcc | string | Bcc recipient email address(es). Optional |
replyTo Reply To | string | Reply-to email address(es). Optional |
attachmentFiles File Paths or URLs | string[] | Provide either file URLs or paths to files in the /tmp directory (for example, /tmp/myFile.pdf) Optional |
attachmentsBase64 Base64-encoded attachments | string[] | Provide base64-encoded attachments Optional |
base64AttachmentFilenames Base64-encoded attachment filenames | string[] | Provide the filenames for the base64-encoded attachments Optional |
REFERENCE
Tool details
Behavior hints are published with the component in the Pipedream registry and surface as MCP tool annotations, so an agent can reason about a tool before it calls it.
- Registry key
- resend-send-email
- Version
- 0.0.3
- App
- Resend
- Authentication
- API key
- Read-only
- No
- Destructive
- No
- Open world
- Yes
- Source
- View on GitHub ↗