msloop-mcp
MCP server that provides read access to Microsoft Loop workspaces and pages by reusing your Loop web session, enabling listing, reading, and searching across Loop content without app registration.
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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.
loop_loginSign in to Microsoft Loop. Tries silently first (no browser); opens a browser only when the session has expired. Set force_new: true to force a full re-login.
loop_statusCheck the current Loop authentication status and token validity.
loop_logoutClear the saved Loop session and tokens. You will need to run loop_login again.
loop_list_pagesList the pages in a Loop workspace. Pass the workspace id from loop_list_workspaces.
loop_get_pageRead the content of a Loop page as Markdown. Pass the page id from loop_list_pages. Loop pages are rich Fluid documents exported to HTML, so some interactive components may render approximately.
loop_searchSearch across your Loop pages and components by keyword (via Microsoft Graph). Returns matching files with their titles, web links, and last-modified dates.
loop_list_workspacesList all Microsoft Loop workspaces you can access, including your personal "My workspace". Returns each workspace id and title.
loop_create_workspaceEXPERIMENTAL: Create a new shared Loop workspace. Workspace creation is only partially documented and the new workspace may need a moment to finish provisioning in the Loop app. Creating page content is not supported.
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
Playwright downloads and installs browsers without verifying the authenticity of the SSL certificate
MSLOOP_BROWSERchrome Force a specific browser: chrome or msedge. If unset, uses the macOS system default; falls back to Chrome on macOS/Linux and Edge on WindowsMSLOOP_DEBUGtrue Enable debug logging to stderrMSLOOP_SKIP_COOKIE_IMPORTtrue Skip importing SSO cookies from your real browser (avoids the one time Keychain/keyring prompt). You sign in once manually; the persistent profile then remembers the sessionDependencies
12 dependencies, 1 flagged: playwright
Tool 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
8/8 tools missing one or more hints — loop_login (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); loop_status (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); loop_logout (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +5 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
5/8 tool handlers declare input schemas (63%)
Declare an inputSchema with zod/joi/yup on every tool definition.
Tool handlers catch errors
Only 1/8 tool handlers wrap calls in try/catch (13%)
Wrap each tool handler body in try/catch and return a structured error response.
Tool test coverage
Only 0/8 tools referenced in tests (0%)
Write tests that reference each tool by name so every tool has at least one test.
Shell command execution
1 child_process call — runs shell commands
Prefer library functions over shell-outs. If you must shell out, ensure all inputs are properly escaped.
Production dependencies are patched
0 critical, 4 high severity in production deps — @modelcontextprotocol/sdk@1.12.0 (high), @modelcontextprotocol/sdk@1.12.0 (high)
Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.
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