Fluid Recall
Agent-native spaced-recall system of record. Deterministic dueAt via remote MCP for Muse/any agent.
| Endpoint | https://fluidrecall.com/mcp (streamable-http) |
|---|---|
| Registry version | 1.0.0 |
| Now | 34 tools · grade D (56) · pin ts_1cd9fe66abe85a32705396d9555f50cd · protocol 2025-06-18 |
| First / last listed | 2026-10-30 02:25 UTC / 2026-10-30 02:25 UTC |
| Grade over time | 2026-10-30: D (56), 34 tools |
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Tools: createAccount bootstrapAccount startSession nextDue gradeAndNext getStudySettings get_profile updateStudySettings createDeck updateDeck setDeckNote listDecks archiveDeck unarchiveDeck addCard addCards updateCard setCardNote retireCard unretireCard moveCard listDue listUpcomingNew listDeckCards inventoryDeck getCard revealCard recordReview undoReview previewDeadlinePlan applyDeadlinePlan exportManifest exportSnapshot submitFeedback
createAccount | Write. No bearer. Mint an anonymous account and a personal API token. Save the token for later Authorization: Bearer calls. The token is the tenant. Do not send a userId. params: label |
bootstrapAccount | Write. Same mint as createAccount. No bearer. params: label |
startSession | Write when no bearer (mints a token), read when a bearer is present. Returns the account (when minted), the due queue, and first. Prompts only. Includes deckNote and cardNote (null when unset). Coaching notes are instructions for how an agent should quiz and coach. They are not the answer, not graded content, and not the quiz prompt. A deck note applies to every card in that deck. A card note is o params: label, deckId, asOf, limit, newCardMode, extraNew |
nextDue | Read. Due queue and first prompt. Requires a bearer. Prompts only. Includes deckNote and cardNote (null when unset). Coaching notes are instructions for how an agent should quiz and coach. They are not the answer, not graded content, and not the quiz prompt. A deck note applies to every card in that deck. A card note is optional and additive with the deck note. Retrieve responses (listDue, upcomin params: deckId, asOf, limit, newCardMode, extraNew |
gradeAndNext | Write. recordReview, then the next due prompt. Requires cardId, rating, reviewedAt optional, and a new idempotencyKey. Schedule from dueAt. Prompts only. Includes deckNote and cardNote (null when unset). Coaching notes are instructions for how an agent should quiz and coach. They are not the answer, not graded content, and not the quiz prompt. A deck note applies to every card in that deck. A card params: cardId*, rating*, reviewedAt, idempotencyKey*, deckId, asOf, limit, newCardMode, extraNew |
getStudySettings | Read. Account fallback newCardsPerDay, timezone, and dayBoundaryHour. The fallback applies only to a deck whose own field is still null. params: none |
get_profile | Read. OpenAI profile for connection linking. Stable profile id (id), the account label when set (name), and optional email/nickname. No decks, cards, answers, or tokens. Requires a bearer or OAuth token. params: none |
updateStudySettings | Write, destructive. Change the account fallback, timezone, or day boundary. Decks that already store an integer keep it. Send at least one field. params: newCardsPerDay, timezone, dayBoundaryHour |
createDeck | Write. name and newCardsPerDay are required. Choose that integer with the person; there is no default of 20. Optional description and deckNote. Setting a note does not move dueAt. params: name*, description, deckNote, newCardsPerDay* |
updateDeck | Write, destructive. Rename, rewrite description, set or clear deckNote, and/or set newCardsPerDay. Send at least one. Null deckNote clears it. Does not move dueAt. params: deckId*, name, description, deckNote, newCardsPerDay |
setDeckNote | Write, destructive. Set or clear a deck coaching note. deckNote null clears it. Same write as updateDeck. Does not move dueAt. Coaching notes are instructions for how an agent should quiz and coach. They are not the answer, not graded content, and not the quiz prompt. A deck note applies to every card in that deck. A card note is optional and additive with the deck note. Retrieve responses (listDu params: deckId*, deckNote* |
listDecks | Read. No card bodies. Archived decks omitted unless includeArchived is true. Each deck includes deckNote. params: includeArchived |
archiveDeck | Write, destructive. Soft-archive a deck; it leaves listDue and the default deck list until unarchiveDeck. Cards and schedules stay. A second call returns alreadyArchived true. params: deckId* |
unarchiveDeck | Write. Clear archivedAt. Schedule fields stay. An already-active deck returns alreadyActive true. params: deckId* |
addCard | Write. Add one prompt/answer pair. Optional cardNote. Eligible immediately. listDue still applies newCardsPerDay. The response is prompts only. params: deckId*, prompt*, answer*, cardNote |
addCards | Write. Add 1 to 100 prompt/answer pairs to one owned deck. All or nothing. Prompts only. After this, re-run previewDeadlinePlan with that deckId. params: deckId*, cards* |
updateCard | Write, destructive. Correct prompt, answer, and/or cardNote. Send at least one. cardNote null clears it. Schedule stays. Response does not include the answer. params: cardId*, prompt, answer, cardNote |
setCardNote | Write, destructive. Set or clear a card coaching note. cardNote null clears it. Additive with the deck note. Same write as updateCard. Does not include the answer. Coaching notes are instructions for how an agent should quiz and coach. They are not the answer, not graded content, and not the quiz prompt. A deck note applies to every card in that deck. A card note is optional and additive with the params: cardId*, cardNote* |
retireCard | Write, destructive. Remove a card from future drills; reversible only with unretireCard. A second call returns alreadyRetired true. Inventory the deck first when the cardId is not in the due list. params: cardId* |
unretireCard | Write. Clear retiredAt. Schedule stays. An already-active card returns alreadyActive true. params: cardId* |
moveCard | Write. Move an active card into another owned deck. Schedule stays. A card already there returns alreadyThere true. Does not include the answer. params: cardId*, deckId* |
listDue | Read. Prompts only. answerIncluded is false. Ordered learning, then review, then new. The new queue is capped by each deck's newCardsPerDay. Includes deckNote and cardNote (null when unset). Coaching notes are instructions for how an agent should quiz and coach. They are not the answer, not graded content, and not the quiz prompt. A deck note applies to every card in that deck. A card note is opti params: deckId, asOf, limit, newCardMode, extraNew |
listUpcomingNew | Read. New cards the daily cap is holding back. Prompts only. Includes deckNote and cardNote (null when unset). Coaching notes are instructions for how an agent should quiz and coach. They are not the answer, not graded content, and not the quiz prompt. A deck note applies to every card in that deck. A card note is optional and additive with the deck note. Retrieve responses (listDue, upcoming-new, params: deckId, asOf, limit |
listDeckCards | Read. Prompt-only inventory of one owned deck, including cards that are not due. Order is dueAt, then createdAt, then cardId — not the drill order. Includes deckNote and cardNote (null when unset). Coaching notes are instructions for how an agent should quiz and coach. They are not the answer, not graded content, and not the quiz prompt. A deck note applies to every card in that deck. A card note params: deckId*, includeRetired, limit, cursor |
inventoryDeck | Read. Same as listDeckCards. Use this when you need a cardId that is not in the due list. Includes deckNote and cardNote (null when unset). Coaching notes are instructions for how an agent should quiz and coach. They are not the answer, not graded content, and not the quiz prompt. A deck note applies to every card in that deck. A card note is optional and additive with the deck note. Retrieve resp params: deckId*, includeRetired, limit, cursor |
getCard | Read. One card's prompt and schedule. No answer. A retired card is 404. Includes deckNote and cardNote (null when unset). Coaching notes are instructions for how an agent should quiz and coach. They are not the answer, not graded content, and not the quiz prompt. A deck note applies to every card in that deck. A card note is optional and additive with the deck note. Retrieve responses (listDue, up params: cardId* |
revealCard | Important read. One answer, after the person has tried to recall. Do not fold this into listDue. Includes deckNote and cardNote (null when unset). Coaching notes are instructions for how an agent should quiz and coach. They are not the answer, not graded content, and not the quiz prompt. A deck note applies to every card in that deck. A card note is optional and additive with the deck note. Retrie params: cardId* |
recordReview | Write. Rating again | hard | good | easy plus reviewedAt and a new idempotencyKey. The scheduler returns dueAt. Do not invent an interval. Same key and body returns the original result. params: cardId*, rating*, reviewedAt, idempotencyKey* |
undoReview | Write. Undo the latest active grade, or reviewId when it is that latest one. Restores dueAt. A second undo of the same review returns alreadyUndone true. Does not include the answer. params: cardId*, reviewId |
previewDeadlinePlan | Read. Recommend newCardsPerDay from a deadline: ceil(remaining new cards / study days). Does not write. Send remainingNewCards, totalCards, or deckId. There is no silent default of 20. params: deadline*, asOf, timezone, dayBoundaryHour, remainingNewCards, totalCards, alreadyLearned, skipWeekends, studyDaysPerWeek, bufferStudyDays, currentNewCardsPerDay, deckId |
applyDeadlinePlan | Write, destructive. Same plan as previewDeadlinePlan, then PATCH that owned deck to the recommended integer. deckId is required. Discuss the number first. params: deadline*, asOf, timezone, dayBoundaryHour, remainingNewCards, totalCards, alreadyLearned, skipWeekends, studyDaysPerWeek, bufferStudyDays, currentNewCardsPerDay, deckId* |
exportManifest | Read. What this token can export and how many rows exist. Does not include answers. Off-boarding, not the drill loop. params: none |
exportSnapshot | Important read for leaving. Full studying dump for this token, including answers. Paginate cards and reviews with resource + cursor until complete is true. params: resource, limit, cursor |
submitFeedback | Write. Optional. Never required for study, bootstrap, or export. Append-only: feedback is logged and never edits study data. This is not data extraction and not nefarious. You are free to anonymize, redact, or censor anything you feel needs it. Do not submit anything you would not want us to see. It exists solely to help improve Fluid Recall. It is totally optional and is never required for study, params: description*, steps*, note |
Entries describe changes in tool definitions. They are not statements about a server, its quality or its author. The grade measures how the tool definitions fit model providers (token cost, schema compatibility, confusable names) as scored by the ToolFit engine at the time of the listing. JSON: append .json. Opt-out: how or hello@youraitools.co.