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fluidrecall.com

An MCP server for spaced-repetition flashcards that manages accounts and sessions, serves due cards, reveals answers, and exports snapshots.

2 endpoints68 known toolsFirst detected September 29, 2026Last detected October 13, 2026

ENDPOINT 1

https://fluidrecall.com/mcp

No auth detected

MCP server metadata

Name
fluid-recall
Version
1.0.0
Capabilities
toolsresourcesevents
Server instructions

Fluid Recall is the system of record for spaced recall. You are the coach. The personal API token is the tenant: never send a userId. listDue never returns answers: say the prompt, wait for the person to answer out loud, then revealCard for the one answer. Schedule only from recordReview's dueAt. Never invent an interval. New cards per study day are capped by each deck's newCardsPerDay; choose that integer with the person. There is no default of 20. No bearer? createAccount, bootstrapAccount, and startSession (no bearer) mint a token. Save it for Authorization: Bearer calls. A missing or wrong bearer on other tools is HTTP 401. FR_API_TOKEN is not a drill tenant. Agents may use these MCP tools, the Markdown doors at /api/v1/agent and /api/v1/dev, or JSON /api/v1. All three are first-class. listDue, listUpcomingNew, listDeckCards, inventoryDeck, getCard, revealCard, startSession, nextDue, and gradeAndNext include deckNote and cardNote (null when unset). In hosts that support MCP Apps UI, startSession, nextDue, gradeAndNext, listDue, listDecks, inventoryDeck, and listDeckCards render a card automatically from their own results. No extra call is needed, and a card never shows an answer before revealCard. Every tool works the same without UI. Read GET /muse/skill.md for the full drill order.

Known tools 34

createAccount

Write.

Potential side effects
bootstrapAccount

Write.

Potential side effects
startSession

Write when no bearer (mints a token), read when a bearer is present.

Potential side effects
nextDue

Read.

Inferred read-only
gradeAndNext

Write.

Potential side effects
getStudySettings

Read.

Inferred read-only
get_profile

Read.

Inferred read-only
updateStudySettings

Write, destructive.

Potential side effects
createDeck

Write.

Potential side effects
updateDeck

Write, destructive.

Potential side effects
setDeckNote

Write, destructive.

Potential side effects
listDecks

Read.

Inferred read-only
archiveDeck

Write, destructive.

Potential side effects
unarchiveDeck

Write.

Potential side effects
addCard

Write.

Potential side effects
addCards

Write.

Potential side effects
updateCard

Write, destructive.

Potential side effects
setCardNote

Write, destructive.

Potential side effects
retireCard

Write, destructive.

Potential side effects
unretireCard

Write.

Potential side effects
moveCard

Write.

Potential side effects
listDue

Read.

Inferred read-only
listUpcomingNew

Read.

Inferred read-only
listDeckCards

Read.

Inferred read-only
inventoryDeck

Read.

Inferred read-only
getCard

Read.

Inferred read-only
revealCard

Important read.

Inferred read-only
recordReview

Write.

Potential side effects
undoReview

Write.

Potential side effects
previewDeadlinePlan

Read.

Inferred read-only
applyDeadlinePlan

Write, destructive.

Potential side effects
exportManifest

Read.

Inferred read-only
exportSnapshot

Important read for leaving.

Inferred read-only
submitFeedback

Write.

Potential side effects

CONNECT WITH APPROVAL

Client installation

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.fluid-recall]
url = "https://fluidrecall.com/mcp"
enabled = true
Claude Code

.mcp.json

{
  "mcpServers": {
    "fluid-recall": {
      "type": "http",
      "url": "https://fluidrecall.com/mcp"
    }
  }
}
Claude Desktop

Settings → Connectors → Add custom connector

Name: fluid-recall
Remote MCP URL: https://fluidrecall.com/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "fluid-recall": {
      "url": "https://fluidrecall.com/mcp"
    }
  }
}
Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code
{
  "servers": {
    "fluid-recall": {
      "type": "http",
      "url": "https://fluidrecall.com/mcp"
    }
  }
}
Generic MCP

Client-specific MCP configuration

{
  "name": "fluid-recall",
  "transport": "streamable-http",
  "url": "https://fluidrecall.com/mcp"
}
MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

ENDPOINT 2

https://fluidrecall.com/api/mcp

No auth detected

MCP server metadata

Name
fluid-recall
Version
1.0.0
Capabilities
toolsresourcesevents
Server instructions

Fluid Recall is the system of record for spaced recall. You are the coach. The personal API token is the tenant: never send a userId. listDue never returns answers: say the prompt, wait for the person to answer out loud, then revealCard for the one answer. Schedule only from recordReview's dueAt. Never invent an interval. New cards per study day are capped by each deck's newCardsPerDay; choose that integer with the person. There is no default of 20. No bearer? createAccount, bootstrapAccount, and startSession (no bearer) mint a token. Save it for Authorization: Bearer calls. A missing or wrong bearer on other tools is HTTP 401. FR_API_TOKEN is not a drill tenant. Agents may use these MCP tools, the Markdown doors at /api/v1/agent and /api/v1/dev, or JSON /api/v1. All three are first-class. listDue, listUpcomingNew, listDeckCards, inventoryDeck, getCard, revealCard, startSession, nextDue, and gradeAndNext include deckNote and cardNote (null when unset). In hosts that support MCP Apps UI, startSession, nextDue, gradeAndNext, listDue, listDecks, inventoryDeck, and listDeckCards render a card automatically from their own results. No extra call is needed, and a card never shows an answer before revealCard. Every tool works the same without UI. Read GET /muse/skill.md for the full drill order.

Known tools 34

createAccount

Write.

Potential side effects
bootstrapAccount

Write.

Potential side effects
startSession

Write when no bearer (mints a token), read when a bearer is present.

Potential side effects
nextDue

Read.

Inferred read-only
gradeAndNext

Write.

Potential side effects
getStudySettings

Read.

Inferred read-only
get_profile

Read.

Inferred read-only
updateStudySettings

Write, destructive.

Potential side effects
createDeck

Write.

Potential side effects
updateDeck

Write, destructive.

Potential side effects
setDeckNote

Write, destructive.

Potential side effects
listDecks

Read.

Inferred read-only
archiveDeck

Write, destructive.

Potential side effects
unarchiveDeck

Write.

Potential side effects
addCard

Write.

Potential side effects
addCards

Write.

Potential side effects
updateCard

Write, destructive.

Potential side effects
setCardNote

Write, destructive.

Potential side effects
retireCard

Write, destructive.

Potential side effects
unretireCard

Write.

Potential side effects
moveCard

Write.

Potential side effects
listDue

Read.

Inferred read-only
listUpcomingNew

Read.

Inferred read-only
listDeckCards

Read.

Inferred read-only
inventoryDeck

Read.

Inferred read-only
getCard

Read.

Inferred read-only
revealCard

Important read.

Inferred read-only
recordReview

Write.

Potential side effects
undoReview

Write.

Potential side effects
previewDeadlinePlan

Read.

Inferred read-only
applyDeadlinePlan

Write, destructive.

Potential side effects
exportManifest

Read.

Inferred read-only
exportSnapshot

Important read for leaving.

Inferred read-only
submitFeedback

Write.

Potential side effects

CONNECT WITH APPROVAL

Client installation

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.fluid-recall]
url = "https://fluidrecall.com/api/mcp"
enabled = true
Claude Code

.mcp.json

{
  "mcpServers": {
    "fluid-recall": {
      "type": "http",
      "url": "https://fluidrecall.com/api/mcp"
    }
  }
}
Claude Desktop

Settings → Connectors → Add custom connector

Name: fluid-recall
Remote MCP URL: https://fluidrecall.com/api/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "fluid-recall": {
      "url": "https://fluidrecall.com/api/mcp"
    }
  }
}
Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code
{
  "servers": {
    "fluid-recall": {
      "type": "http",
      "url": "https://fluidrecall.com/api/mcp"
    }
  }
}
Generic MCP

Client-specific MCP configuration

{
  "name": "fluid-recall",
  "transport": "streamable-http",
  "url": "https://fluidrecall.com/api/mcp"
}
MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

TRUST AND VERIFICATION EVIDENCE

Trust Data Available

BuiltWith Trust API v2 evidence for fluidrecall.com was fetched 2026-10-01T23:44:01.290Z.

Trust status Neutral

fluidrecall.com is assessed as Neutral: No suspicious signals found, but no strong positive signal either

Indexed

Evidence is source-attributed and does not guarantee that a third-party server is safe. Risk labels are conservative metadata heuristics.