ask_coach
Ask Coach. Talk to the WriteStack Coach (Quill), the user's Substack growth coach.
| Group | Access | MCP name |
|---|---|---|
| Coach | Writes data | ask_coach |
Description
The description the MCP server sends to the model, word for word. Its rules apply to every call.
Talk to the WriteStack Coach (Quill), the user's Substack growth coach. It knows their notes, posts, stats, memory, and playbooks. Pass thread_id back to continue the same conversation. The reply is also saved as a Coach chat the user can open at thread_url. This spends the user's Coach allowance.
Arguments
| Argument | Type | Required | Description |
|---|---|---|---|
message | string | Yes | What to ask the Coach, in the user's words, plus any context they gave you. Min length 1. Max length 40000. |
thread_id | string | No | thread_id from an earlier ask_coach result. Pass it to continue that conversation. Leave it out to start a new chat. |
Example call
The smallest valid request: required arguments only, with placeholder values.
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/call",
"params": {
"name": "ask_coach",
"arguments": {
"message": "…"
}
}
}Result
The result has structuredContent that matches this schema. The same data is also in content as JSON text.
| Field | Type | Required | Description |
|---|---|---|---|
reply | string | Yes | |
thread_id | string | Yes | |
thread_url | string | Yes |
Annotations
| Hint | Value |
|---|---|
readOnlyHint | false |
destructiveHint | false |
openWorldHint | false |
The full input and output JSON Schemas for every tool are in /mcp-tools.json.
list_buffer_channels
List Buffer Channels. List the user's connected Buffer channels (social accounts like LinkedIn, X/Twitter, Threads, etc.) available for cross-posting.
get_feature_suggestion_link
Get Feature Suggestion Link. Return the link to the WriteStack features board, where the user can post a product or feature idea for others to vote on.