clickup-mcp-server
Enables AI assistants to manage ClickUp workspaces, teams, spaces, folders, lists, tasks, and custom fields via 29 MCP tools with full CRUD operations.
Caution. Specific findings reduced this grade. They are listed on the page. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.
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The grade above is for the source repository. Registries can serve a different version, so we mark the ones we were not able to read.
These names and descriptions are the publisher's own, read from the source code. We print them as written. Our assessment is the findings above, not this list.
get_teamsGet all teams accessible to the authenticated user
get_spacesGet all spaces in a team
get_listsGet all lists in a space
get_tasksGet all tasks in a list
get_taskGet detailed information about a specific task
create_taskCreate a new task in a list
update_task_statusUpdate the status of a task
get_list_custom_fieldsGet all custom fields available for a list
get_task_custom_fieldsGet custom field values for a specific task
update_task_custom_fieldUpdate a custom field value for a task
set_task_custom_fieldsSet multiple custom field values for a task at once
create_list_custom_fieldCreate a new custom field for a list
delete_list_custom_fieldDelete a custom field from a list
get_workspace_documentsGet all documents in a workspace
get_documentGet detailed information about a specific document
create_documentCreate a new document in a workspace or folder
update_documentUpdate document properties and/or content
delete_documentDelete a document
get_document_pagesGet all pages in a document
get_document_pageGet detailed information about a specific document page
create_document_pageCreate a new page in a document
update_document_pageUpdate document page properties and/or content
delete_document_pageDelete a page from a document
get_document_foldersGet all document folders in a workspace
get_foldersGet all folders in a space
create_folderCreate a new folder in a space
update_folderUpdate a folder
delete_folderDelete a folder
get_folder_listsGet all lists in a folder
create_listCreate a new list in a folder
update_listUpdate a list
delete_listDelete a list
create_spaceCreate a new space in a team
update_spaceUpdate a space
delete_spaceDelete a space
update_taskUpdate a task with multiple fields
delete_taskDelete a task
update_task_assigneesUpdate the assignees of a task
update_task_due_dateUpdate the due date of a task
update_task_priorityUpdate the priority of a task
add_task_commentAdd a comment to a task
get_task_commentsGet all comments for a task
Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse
Anthropic's MCP TypeScript SDK has a ReDoS vulnerability
Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default
CLICKUP_API_TOKENexport ="your_clickup_api_token_here"LOG_FORMATjson # json, textLOG_LEVELINFO # DEBUG, INFO, WARN, ERROR, FATALNO_COLORfalse # Disable colored outputTool annotations
No tools have read-only/destructive annotations
Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.
All four hints declared on every tool
49/49 tools missing one or more hints — get_teams (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); get_spaces (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); get_lists (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +46 more. OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.
For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.
Tool inputs are validated
42/49 tool handlers declare input schemas (86%)
Declare an inputSchema with zod/joi/yup on every tool definition.
Tool handlers catch errors
Only 1/49 tool handlers wrap calls in try/catch (2%)
Wrap each tool handler body in try/catch and return a structured error response.
License file
No license file
Add a LICENSE file (MIT, Apache-2.0, etc.).
Tool test coverage
22/49 tools referenced in tests (45%)
Write tests that reference each tool by name so every tool has at least one test.
No arbitrary install scripts
Has postinstall/preinstall script — runs arbitrary code on npm install
Remove postinstall/preinstall hooks unless they’re essential.
Production dependencies are patched
0 critical, 3 high severity in production deps — @modelcontextprotocol/sdk@1.16.0 (high), @modelcontextprotocol/sdk@1.16.0 (high)
Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.
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