LinkedIn Content Planner MCP (theonaai/linkedin-content-planner-mcp) is an MCP server listed on the M8ven Trust Index. It scores 48 out of 100, grade D. It declares 25 tools. No publisher has claimed this listing.
Enables AI agents to draft, format, and manage LinkedIn posts through a review pipeline, with human approval via a web UI before publication.
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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theonaai
Source: Glama
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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.
create_postAdd a new post idea to the backlog.
list_postsList posts, optionally filtered by state(s) and scheduled-date range. E.g. state=ready + scheduledBefore=<today> finds posts due to publish.
get_postGet a single post by id.
update_post_contentstr_replace_post_contentlist_versionsList all versions of a post, oldest first.
get_version_diffGet a line-level diff between two versions of a post.
revert_to_versionCreate a new version copying an older version's content (history stays append-only).
set_post_stateMove a post to a new state. The server enforces the legal-transition graph: backlog<->todo<->in_progress->in_review, ready->posted, ready->in_progress. Entering in_review is allowed here; leaving in_review (to ready or back to in_progress) only happens via submit_review.
set_post_dateSet (or clear, with null) a post's scheduled publish date.
delete_postPermanently delete a post and everything attached to it (all versions, comments, reviews, and attachment files). Irreversible — there is no undo. Use for genuinely unwanted posts (duplicates, abandoned ideas), not as a way to unpublish something already posted.
submit_reviewApprove or request changes on a post that is in_review. Approving moves it to ready; requesting changes moves it back to in_progress and requires a body explaining what to fix.
list_reviewsList the review history (approve/request-changes decisions) for a post.
add_commentAdd a comment on a post version, optionally anchored to a text range and/or threaded as a reply.
list_commentsresolve_commentMark a comment resolved or unresolved.
render_previewprepare_attachment_uploadattach_filelist_attachmentsList attachments on a post (metadata only, not file bytes).
create_webhooklist_webhooksList all registered webhooks.
update_webhookdelete_webhookPermanently delete a webhook subscription and its delivery history.
list_webhook_deliveriesList delivery attempts for a webhook (success/failure, response status, error), newest first — useful for debugging why an agent didn't get triggered.
Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
When Vitest UI server is listening, arbitrary file can be read and executed
Vitest allows Remote Code Execution when accessing a malicious website while Vitest API server is listening
Unlimited consumption of resources in @fastify/multipart
@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse
Anthropic's MCP TypeScript SDK has a ReDoS vulnerability
APP_PUBLIC_BASE_URLATTACHMENTS_DIRATTACHMENT_UPLOAD_SECRETS3_ENDPOINTS3_FORCE_PATH_STYLESTORAGE_DRIVERDATABASE_URLPORTTool annotations
2/25 tools have annotations
Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.
All four hints declared on every tool
25/25 tools missing one or more hints — create_post (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); list_posts (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); get_post (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +22 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.
README present
No README found
Add a README.md describing the server and its tools.
License file
No license file
Add a LICENSE file (MIT, Apache-2.0, etc.).
Tool test coverage
Only 0/25 tools referenced in tests (0%)
Write tests that reference each tool by name so every tool has at least one test.
Production dependencies are patched
0 critical, 4 high severity in production deps — @fastify/multipart@9.0.1 (high), @modelcontextprotocol/sdk@1.10.2 (high)
Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.
Dev dependencies
2 critical/high in dev-only deps (does not ship to users)
Upgrade dev dependencies when convenient.
Domain consistency
npm scope @linkedin-planner doesn't match GitHub owner theonaai
Use the same org name across GitHub, npm, and your homepage so users can verify the publisher.
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.
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