Files
docmost-mcp/src/index.ts

564 lines
15 KiB
TypeScript

import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";
import FormData from "form-data";
import axios, { AxiosInstance } from "axios";
import { z } from "zod";
import {
filterWorkspace,
filterSpace,
filterGroup,
filterPage,
filterSearchResult,
} from "./filters.js";
import { convertProseMirrorToMarkdown } from "./markdown-converter.js";
import { readFileSync } from "fs";
import { fileURLToPath } from "url";
import { dirname, join } from "path";
// Read version from package.json
const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);
const packageJson = JSON.parse(
readFileSync(join(__dirname, "../package.json"), "utf-8"),
);
const VERSION = packageJson.version;
const API_URL = process.env.DOCMOST_API_URL;
const EMAIL = process.env.DOCMOST_EMAIL;
const PASSWORD = process.env.DOCMOST_PASSWORD;
if (!API_URL || !EMAIL || !PASSWORD) {
console.error(
"Error: DOCMOST_API_URL, DOCMOST_EMAIL, and DOCMOST_PASSWORD environment variables are required.",
);
process.exit(1);
}
class DocmostClient {
// ... [Client Implementation stays exactly the same] ...
private client: AxiosInstance;
private token: string | null = null;
constructor(baseURL: string) {
this.client = axios.create({
baseURL,
headers: {
"Content-Type": "application/json",
},
});
}
async login() {
try {
const response = await this.client.post("/auth/login", {
email: EMAIL,
password: PASSWORD,
});
// Extract token from Set-Cookie header
const cookies = response.headers["set-cookie"];
if (!cookies) {
throw new Error("No Set-Cookie header found in login response");
}
const authCookie = cookies.find((c: string) =>
c.startsWith("authToken="),
);
if (!authCookie) {
throw new Error("No authToken cookie found in login response");
}
const token = authCookie.split(";")[0].split("=")[1];
this.token = token;
this.client.defaults.headers.common["Authorization"] = `Bearer ${token}`;
// console.error("Successfully logged in to Docmost API");
} catch (error: any) {
console.error("Login failed:", error.response?.data || error.message);
throw error;
}
}
async ensureAuthenticated() {
if (!this.token) {
await this.login();
}
}
/**
* Generic pagination handler for Docmost API endpoints
* @param endpoint - The API endpoint path (e.g., "/spaces", "/pages/recent")
* @param basePayload - Base payload object to send with each request
* @param limit - Items per page (min: 1, max: 100, default: 100)
* @returns All items collected from all pages
*/
async paginateAll<T = any>(
endpoint: string,
basePayload: Record<string, any> = {},
limit: number = 100,
): Promise<T[]> {
await this.ensureAuthenticated();
// Clamp limit between 1 and 100
const clampedLimit = Math.max(1, Math.min(100, limit));
let page = 1;
let allItems: T[] = [];
let hasNextPage = true;
while (hasNextPage) {
const response = await this.client.post(endpoint, {
...basePayload,
limit: clampedLimit,
page,
});
const data = response.data;
// Handle both direct data.items and data.data.items structures
const items = data.data?.items || data.items || [];
const meta = data.data?.meta || data.meta;
allItems = allItems.concat(items);
hasNextPage = meta?.hasNextPage || false;
page++;
}
return allItems;
}
async getWorkspace() {
await this.ensureAuthenticated();
const response = await this.client.post("/workspace/info", {});
return {
data: filterWorkspace(response.data.data),
success: response.data.success,
};
}
async getSpaces() {
const spaces = await this.paginateAll("/spaces", {});
return spaces.map((space) => filterSpace(space));
}
async getGroups() {
const groups = await this.paginateAll("/groups", {});
return groups.map((group) => filterGroup(group));
}
async listPages(spaceId?: string) {
const payload = spaceId ? { spaceId } : {};
const pages = await this.paginateAll("/pages/recent", payload);
return pages.map((page) => filterPage(page));
}
async getPage(pageId: string) {
await this.ensureAuthenticated();
const response = await this.client.post("/pages/info", { pageId });
return {
data: filterPage(
response.data.data,
response.data.data.content
? convertProseMirrorToMarkdown(response.data.data.content)
: undefined,
),
success: response.data.success,
};
}
/**
* Create a new page with title and content.
*
* Note: As long as Docmost doesn't provide a /pages/create endpoint that allows
* setting content directly, we must use the /pages/import workaround to create
* pages with initial content. This method:
* 1. Creates the page via /pages/import (which supports content)
* 2. Moves it to the correct parent if specified
*/
async createPage(
title: string,
content: string,
spaceId: string,
parentPageId?: string,
) {
await this.ensureAuthenticated();
if (parentPageId) {
try {
await this.getPage(parentPageId);
} catch (e) {
throw new Error(`Parent page with ID ${parentPageId} not found.`);
}
}
// 1. Create content via Import
const importRes = await this.importPage(title, content, spaceId);
const newPageId = importRes.data.id;
// 2. Move to parent if needed
if (parentPageId) {
await this.movePage(newPageId, parentPageId);
}
// Return the final page object
return this.getPage(newPageId);
}
/**
* Update a page's content and optionally its title.
*
* Note: As long as Docmost doesn't provide a /pages/update endpoint, we must use
* a "swap-and-replace" workaround to update page content. This method:
* 1. Fetches the old page details (space, parent, title)
* 2. Identifies all child pages
* 3. Creates a NEW page with the updated content via /pages/import
* 4. Moves the new page to the old page's position (same parent)
* 5. Re-parents all children to the new page
* 6. Deletes the old page
*
* ⚠️ IMPORTANT LIMITATION: The page will get a NEW ID! Any external references
* to the old page ID will break. The new ID is returned in the response.
*/
async updatePage(pageId: string, content: string, title?: string) {
await this.ensureAuthenticated();
// 1. Get old page details to know space and parent
const oldPageRes = await this.getPage(pageId);
const oldPage = oldPageRes.data;
const spaceId = oldPage.spaceId;
const parentPageId = oldPage.parentPageId;
const effectiveTitle = title || oldPage.title || "Untitled";
// 2. Identify Children
const allPages = await this.listPages(spaceId);
const children = allPages.filter((p: any) => p.parentPageId === pageId);
// 3. Create NEW page
const importRes = await this.importPage(effectiveTitle, content, spaceId);
const newPageId = importRes.data.id;
// 4. Move NEW page to OLD page's position (same parent)
if (parentPageId) {
await this.movePage(newPageId, parentPageId);
}
// 5. Reparent Children (Rescue them!)
for (const child of children) {
await this.movePage(child.id, newPageId);
}
// 6. Delete OLD page
await this.deletePage(pageId);
return {
success: true,
newMessage:
"Page updated safely (via swap-and-replace). Children preserved.",
newPageId: newPageId,
preservedChildrenCount: children.length,
};
}
async importPage(title: string, content: string, spaceId: string) {
await this.ensureAuthenticated();
const form = new FormData();
form.append("spaceId", spaceId);
// We create a virtual file
const fileContent = Buffer.from(content, "utf-8");
form.append("file", fileContent, {
filename: `${title || "import"}.md`,
contentType: "text/markdown",
});
const headers = {
...form.getHeaders(),
Authorization: `Bearer ${this.token}`,
};
return axios
.post(`${API_URL}/pages/import`, form, { headers })
.then((res) => res.data);
}
async search(query: string, spaceId?: string) {
await this.ensureAuthenticated();
const response = await this.client.post("/search", {
query,
spaceId,
});
// Filter search results (data is directly an array)
const items = response.data?.data || [];
const filteredItems = items.map((item: any) => filterSearchResult(item));
return {
items: filteredItems,
success: response.data?.success || false,
};
}
async movePage(
pageId: string,
parentPageId: string | null,
position?: string,
) {
await this.ensureAuthenticated();
// Docmost requires position >= 5 chars.
const validPosition = position || "a00000";
return this.client
.post("/pages/move", {
pageId,
parentPageId,
position: validPosition,
})
.then((res) => res.data);
}
async deletePage(pageId: string) {
await this.ensureAuthenticated();
return this.client
.post("/pages/delete", { pageId })
.then((res) => res.data);
}
async deletePages(pageIds: string[]) {
await this.ensureAuthenticated();
const promises = pageIds.map((id) =>
this.client
.post("/pages/delete", { pageId: id })
.then(() => ({ id, success: true }))
.catch((err: any) => ({ id, success: false, error: err.message })),
);
return Promise.all(promises);
}
}
const docmostClient = new DocmostClient(API_URL);
// --- Modern McpServer Implementation ---
const server = new McpServer({
name: "docmost-mcp",
version: VERSION,
});
// Helper to format JSON responses
const jsonContent = (data: any) => ({
content: [{ type: "text" as const, text: JSON.stringify(data, null, 2) }],
});
// Tool: list_workspaces
server.registerTool(
"get_workspace",
{
description: "Get the current Docmost workspace",
},
async () => {
const workspace = await docmostClient.getWorkspace();
return jsonContent(workspace);
},
);
// Tool: list_spaces
server.registerTool(
"list_spaces",
{
description: "List all available spaces in Docmost",
},
async () => {
const spaces = await docmostClient.getSpaces();
return jsonContent(spaces);
},
);
// Tool: list_groups
server.registerTool(
"list_groups",
{
description: "List all available groups in Docmost",
},
async () => {
const groups = await docmostClient.getGroups();
return jsonContent(groups);
},
);
// Tool: list_pages
server.registerTool(
"list_pages",
{
description: "List pages in a space ordered by updatedAt (descending).",
inputSchema: {
spaceId: z.string().optional(),
},
},
async ({ spaceId }) => {
const result = await docmostClient.listPages(spaceId);
return jsonContent(result);
},
);
// Tool: get_page
server.registerTool(
"get_page",
{
description: "Get details and content of a specific page by ID",
inputSchema: {
pageId: z.string(),
},
},
async ({ pageId }) => {
const page = await docmostClient.getPage(pageId);
return jsonContent(page);
},
);
// Tool: create_page (Smart)
server.registerTool(
"create_page",
{
description:
"Create a new page with content (automatically moves it to the correct hierarchy).",
inputSchema: {
title: z.string().describe("Title of the page"),
content: z.string().describe("Markdown content"),
spaceId: z.string(),
parentPageId: z
.string()
.optional()
.describe("Optional parent page ID to nest under"),
},
},
async ({ title, content, spaceId, parentPageId }) => {
const result = await docmostClient.createPage(
title,
content,
spaceId,
parentPageId,
);
return jsonContent(result);
},
);
// Tool: update_page (Safe)
server.registerTool(
"update_page",
{
description:
"Update a page's content safely (preserves child pages by moving them). Note: Returns a NEW pageId.",
inputSchema: {
pageId: z.string().describe("ID of the page to update"),
content: z.string().describe("New Markdown content"),
title: z
.string()
.optional()
.describe("Optional new title (defaults to old title)"),
},
},
async ({ pageId, content, title }) => {
const result = await docmostClient.updatePage(pageId, content, title);
return jsonContent(result);
},
);
// Tool: move_page
server.registerTool(
"move_page",
{
description:
"Move a page to a new parent (nesting) or root. Essential for organizing pages created via 'import_page'.",
inputSchema: {
pageId: z.string(),
parentPageId: z
.string()
.nullable()
.optional()
.describe(
"Target parent page ID. Pass 'null' or empty string to move to root.",
),
position: z
.string()
.optional()
.describe(
"Optional position string (5-12 chars). Defaults to 'a00000' (end) if omitted.",
),
},
},
async ({ pageId, parentPageId, position }) => {
// Ensure parentPageId is null if string "null" or empty is passed, or undefined
// Note: Zod handles type checking, but we double check for empty strings just in case
const finalParentId =
parentPageId === "" || parentPageId === "null" ? null : parentPageId;
await docmostClient.movePage(pageId, finalParentId || null, position);
return {
content: [
{
type: "text",
text: `Successfully moved page ${pageId} to parent ${finalParentId || "root"}`,
},
],
};
},
);
// Tool: delete_page
server.registerTool(
"delete_page",
{
description: "Delete a single page by ID.",
inputSchema: {
pageId: z.string(),
},
},
async ({ pageId }) => {
await docmostClient.deletePage(pageId);
return {
content: [{ type: "text", text: `Successfully deleted page ${pageId}` }],
};
},
);
// Tool: delete_pages
server.registerTool(
"delete_pages",
{
description: "Delete multiple pages at once. Useful for cleanup.",
inputSchema: {
pageIds: z.array(z.string()),
},
},
async ({ pageIds }) => {
const results = await docmostClient.deletePages(pageIds);
return jsonContent(results);
},
);
// Tool: search
server.registerTool(
"search",
{
description: "Search for pages and content.",
inputSchema: {
query: z.string().describe("Search query"),
spaceId: z.string().optional().describe("Optional space ID to filter by"),
},
},
async ({ query, spaceId }) => {
const result = await docmostClient.search(query, spaceId);
return jsonContent(result);
},
);
async function run() {
const transport = new StdioServerTransport();
await server.connect(transport);
}
run().catch((error) => {
console.error("Fatal error running server:", error);
process.exit(1);
});