Signoapp

Save and find your knowledge

Category: Productivity
Primary Subcategory: Notes & Personal Knowledge Bases

Integration details

Description

Save links and notes to your Signoapp library, find saved reading, retrieve content for summaries with citations, and organize tags and workspaces from ChatGPT. Connect your own Signoapp account and control reading and editing access. Deleted items go to the recoverable trash in Signoapp.

Integration type: Plugin
Verification status: Not applicable
Platform: ChatGPT
Category: Productivity
Primary Subcategory: Notes & Personal Knowledge Bases
Secondary Subcategories: None listed
Brand: Signoapp
Access: Account required
First tracked: 2026-09-23
Tool count: 14
Geography: US

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Primary Subcategory

Competing in ChatGPT Notes & Personal Knowledge Bases

View Category

Listed in alphabetical order

Primary Subcategory

CapacitiesComing soonGet notified

CraftComing soonGet notified

EvernoteComing soonGet notified

GoodnotesComing soonGet notified

HeptabaseComing soonGet notified

SignoappComing soonGet notified

Tools

14 tools agents can invoke

Use this when the user wants to read, cite or summarize a Signoapp item found with search. Returns saved text, notes and tags from the connected private account; content may be truncated for long documents.
fetch
Use this when the user wants to find saved Signoapp articles, notes or files. Returns original source links and workspace/folder metadata. Group by workspace then folder. Follow nextCursor using search-bookmarks with the same query and limit 50. Use display-library with found IDs to show visual previews, then fetch for full text.
search
Use this when the user wants to see images, PDFs, files, notes or a visual gallery of saved articles. First search for real IDs, then pass up to 12 IDs. Returns compact cards grouped by workspace and folder, image preview blocks for clients such as Codex, and original and Signoapp links. Private thumbnails are included when available. Does not search or modify items.
display-library
Use this when the user wants to save a URL or text note in a workspace. Link previews and note processing use Signoapp's normal pipeline.
create-bookmark
Use this when the user wants to create a named workspace.
create-workspace
Use this when the user wants to move a bookmark to trash. It can be restored in Signoapp during the 30-day retention period.
delete-bookmark
Use this when the user wants to read a bookmark, its note, extracted content and tags.
get-bookmark
Use this when the user wants to list this account's tags, with cursor pagination.
list-tags
Use this when the user wants to list active workspaces with cursor pagination. The default workspace is library:active.
list-workspaces
Use this when the user wants to rename an existing workspace.
rename-workspace
Use this when the user wants to search the current library with optional workspace, kind and archive filters. For images/PDFs/files use kind with an empty query instead of searching for the word image. Results include workspace names, actual folders, filenames and source URLs. Group by workspace then folder. Follow nextCursor even after an empty filtered page.
search-bookmarks
Use this when the user wants to replace a bookmark's tags with the supplied names. An empty array removes all tags.
set-bookmark-tags
Use this when the user wants to update only the supplied bookmark fields. For text notes, note replaces the note content.
update-bookmark
Use this when the user wants to check connection and return the authenticated account and connection permissions.

Signoapp FAQ

How do I improve a ChatGPT Plugin's discoverability?

The levers are the listing surface agents actually read: names, descriptions, keywords, tool metadata, and registry health. Which lever matters depends on where discovery breaks, which is what continuous measurement shows.

What are Signoapp alternatives on ChatGPT?

As of 2026-09-28, Signoapp competes with Capacities, Craft, Evernote, Goodnotes, Heptabase, HyNote, Ideaflow, Mem, Nuwa, Readwise, Roam Research, Rosetta, SavedIt, Stashiro, Truffle Journal, WOTT in ChatGPT Notes & Personal Knowledge Bases, ranked by public Discoverability Score.

Where is this profile measured?

This profile uses the geography attached to the latest public registry snapshot: US. Locale tags are intentionally omitted.

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Competing in ChatGPT Notes & Personal Knowledge Bases

14 tools agents can invoke