Basecamp MCP Server (screensavers-club/basecamp-mcp) is an MCP server listed on the M8ven Trust Index. It scores 72 out of 100, grade C. It declares 28 tools. No publisher has claimed this listing.
Enables Claude to interact with Basecamp API for project and to-do management via OAuth authentication.
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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Install from
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.
basecamp_authInitiate OAuth authentication with Basecamp. Returns a URL to open in browser. After authorization, the callback will be handled automatically.
basecamp_list_projectsList all Basecamp projects accessible to the authenticated user
basecamp_get_projectGet details of a specific Basecamp project
basecamp_create_projectCreate a new Basecamp project
basecamp_update_projectUpdate an existing Basecamp project
basecamp_trash_projectMove a Basecamp project to trash (can be recovered within 30 days)
basecamp_list_todolistsList all to-do lists in a Basecamp project
basecamp_get_todolistGet details of a specific to-do list
basecamp_create_todolistCreate a new to-do list in a Basecamp project
basecamp_list_todosList all to-dos in a to-do list
basecamp_get_todoGet details of a specific to-do
basecamp_create_todoCreate a new to-do in a to-do list
basecamp_update_todoUpdate an existing to-do
basecamp_complete_todoMark a to-do as complete
basecamp_uncomplete_todoMark a to-do as incomplete
basecamp_list_documentsList all documents in a project's Docs & Files section
basecamp_get_documentGet details of a specific document
basecamp_create_documentCreate a new document in a project's Docs & Files section. Use HTML for content, including links like <a href='url'>text</a>
basecamp_update_documentUpdate an existing document's title or content
basecamp_get_message_boardGet the message board for a project, including message count
basecamp_list_messagesList all messages in a message board
basecamp_get_messageGet details of a specific message
basecamp_create_messageCreate a new message in a message board
basecamp_update_messageUpdate an existing message
basecamp_list_commentsList all comments on a recording (message, to-do, etc.)
basecamp_get_commentGet details of a specific comment
basecamp_create_commentCreate a comment on a recording (message, to-do, etc.)
basecamp_update_commentUpdate an existing comment
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
BASECAMP_CLIENT_IDBASECAMP_CLIENT_SECRETBASECAMP_REDIRECT_URITool 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
28/28 tools missing one or more hints — basecamp_auth (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); basecamp_list_projects (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); basecamp_get_project (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +25 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.
License file
No license file
Add a LICENSE file (MIT, Apache-2.0, etc.).
Tests exist
No test files found
Add tests that exercise each declared tool.
Production dependencies are patched
0 critical, 2 high severity in production deps — @modelcontextprotocol/sdk@1.25.1 (high), @modelcontextprotocol/sdk@1.25.1 (high)
Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.
Claim the listing to review these findings one by one and send us a correction where you disagree, straight to the team. Claiming also means we tell you when the grade moves, and reach you first if we find anything urgent.
[](https://m8ven.ai/mcp/screensavers-club/basecamp-mcp)?variant=verified from the URL.Vetting this one by hand? Tool Check is an MCP that scores other MCPs. Add it once and ask Claude, ChatGPT, or any MCP client to grade a server, surface CVEs, check the publisher, and suggest safer alternatives — before you install.
https://m8ven.ai/api/mcp/tool-check