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POST
/
mcp
/
messages
Post a message to a legacy SSE session
curl --request POST \
  --url https://app.myhero.so/mcp/messages \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "method": "<string>",
  "params": "<unknown>",
  "result": "<unknown>",
  "id": "<string>"
}
'
{}

Documentation Index

Fetch the complete documentation index at: https://developers.myhero.so/llms.txt

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Delivers a JSON-RPC message to an active legacy SSE session identified by the sessionId query parameter. The server pushes the response back over the SSE stream. Deprecated — prefer the Streamable HTTP transport.

Authorizations

​
Authorization
string
header
required

The access token received from the authorization server in the OAuth 2.0 flow.

Query Parameters

​
sessionId
string
required
Minimum string length: 1

Body

application/json
​
jsonrpc
enum<string>
required
Available options:
2.0
​
method
string
​
params
any
​
result
any
​
error
object
​
id

Response

Message accepted.

The response is of type object.