Can an AI agent send a LinkedIn message for me?

By , Founder of AgentWeb · As of Oct 22, 2026

Short answer. Yes. AgentWeb's send_message sends a message into an existing LinkedIn conversation from the user's own account. The recipient gets it immediately. For a brand-new thread with a 1st-degree connection, use start_conversation, and for someone outside your network use send_inmail. The user signs in once through AgentWeb's hosted login, and the agent never sees the password.

What it does

Sends a message into an existing conversation thread. It is a real send: the recipient receives it immediately and it cannot be unsent through this action. It cannot start a new thread.

What your agent needs

  • conversation_urn: the existing thread, from list_conversations or search_conversations.
  • mailbox_urn: the member's own profile URN, from get_me (not list_mailboxes, which returns Company Page mailboxes).
  • The message text.

What comes back

The created message's URN and the echoed message body.

Using it safely

  • Show the user the exact text and recipient, and get a yes.
  • Read the thread first with get_conversation_messages, so the reply fits the conversation.
  • Pace messages the way a person would.

Try it

This sends a real message from the connected account. Get the person's approval first.

curl -s https://mcp.agentweb.us/api/execute \
  -H "Authorization: Bearer $AGENTWEB_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: linkedin-send_message-1" \
  -d '{"domain":"linkedin.com","action":"send_message","params":{"conversation_urn":"<from list_conversations>","mailbox_urn":"<from get_me>","text":"Thanks, Tuesday works."}}'

Parameter names shown are illustrative. Your agent gets the exact schema for every action from AgentWeb's list_actions tool.

Frequently asked questions

Can it start a new conversation?

Not with send_message. Use start_conversation for a 1st-degree connection with no thread yet, or send_inmail for someone outside your network.

Can a sent message be undone?

No. It is delivered immediately and this action cannot unsend it.

What does it cost?

Each completed action costs $0.05, paid from prepaid blocks of $25, $50 or $100 that never expire. Failed actions are refunded.

Which AI tools can use it?

Any agent that speaks MCP or HTTP. Add https://mcp.agentweb.us/mcp as a remote MCP server in Claude, ChatGPT, Cursor, Codex or Grok, or call the REST endpoint directly.

Action list from AgentWeb's public sites API, snapshot Oct 22, 2026, 16:59 London time. Live coverage: mcp.agentweb.us/api/sites.

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