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Schedule it MCP by usefulapi

io.usefulapi/schedule-itusefulapi.iostreamable-httpv1.0.0Scanned

Read Schedule it events, resources, groups and labels; create and update events and resources.

15 tools: 4 can delete or cancel things, 3 change things and 8 only read.

Tools: 4 delete, 0 irreversible, 3 write, 8 read.
  • Reads private data · 2
  • Reads text others write · 15
  • Can send data out · 0
  • No findings

Anlyon alternative

7 of these tools change something. Run those as governed actions.

Declare what an action changes, and Anlyon puts it under a shared limit, binds every approval to the exact request, and grades the outcome. It works on any HTTPS API you can describe as an action.

Anlyon does not run, proxy or govern this MCP server. A tool your own code calls directly is not routed through Anlyon and is not governed by it.

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Tools

Grouped by what each tool does, most consequential first. Open one for its reasons and full description; descriptions are the publisher's own words.

15 tools

Deletes or cancels 4Claude Code: deny
  • scheduleit_delete_eventWRITE, DESTRUCTIVE: permanently delete one event or task.Reads text others writeNo findings

    Why it is in this group

    • The name "scheduleit_delete_event" says "delete": a word for removing or ending something.
    • The description says "permanently delete".
    • The server marks it destructive (destructiveHint: true).

    What it can reach

    • untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.
    Description, as the server wrote it
    WRITE, DESTRUCTIVE: permanently delete one event or task. It cannot be undone through the API. Only call this when the user clearly asked for this event to be deleted. DELETE /api/events/{id}.

    Annotations the server declares

    • title: Delete event
    • readOnlyHint: false
    • destructiveHint: true
    • idempotentHint: true
    • openWorldHint: true
  • scheduleit_update_eventWRITE: change fields of an existing event; only the fields you pass are changed, the rest stay as they are.Reads text others writeNo findings

    Why it is in this group

    • The name "scheduleit_update_event" says "update": a word for a change.
    • The server marks it destructive (destructiveHint: true).

    What it can reach

    • untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.
    Description, as the server wrote it
    WRITE: change fields of an existing event; only the fields you pass are changed, the rest stay as they are. Passing resource_ids replaces the whole list of linked resources; an empty string clears notes or a custom field. Changing dates or resources may notify people per the account's notification settings. POST /api/events/{id}.

    Annotations the server declares

    • title: Update event
    • readOnlyHint: false
    • destructiveHint: true
    • idempotentHint: true
    • openWorldHint: true
  • scheduleit_update_groupWRITE: change fields of an existing resource group; only the fields you pass are changed.Reads text others writeNo findings

    Why it is in this group

    • The name "scheduleit_update_group" says "update": a word for a change.
    • The server marks it destructive (destructiveHint: true).

    What it can reach

    • untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.
    Description, as the server wrote it
    WRITE: change fields of an existing resource group; only the fields you pass are changed. POST /api/groups/{id}.

    Annotations the server declares

    • title: Update group
    • readOnlyHint: false
    • destructiveHint: true
    • idempotentHint: true
    • openWorldHint: true
  • scheduleit_update_resourceWRITE: change fields of an existing resource; only the fields you pass are changed.Reads text others writeNo findings

    Why it is in this group

    • The name "scheduleit_update_resource" says "update": a word for a change.
    • The server marks it destructive (destructiveHint: true).

    What it can reach

    • untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.
    Description, as the server wrote it
    WRITE: change fields of an existing resource; only the fields you pass are changed. Passing group_ids replaces the whole list of groups; an empty string clears email or a detail field. POST /api/resources/{id}.

    Annotations the server declares

    • title: Update resource
    • readOnlyHint: false
    • destructiveHint: true
    • idempotentHint: true
    • openWorldHint: true
Changes things 3Claude Code: ask
  • scheduleit_create_eventWRITE: create a new event (booking, shift, job or task) in the Schedule It account, optionally linked to resources.Reads text others writeNo findings

    Why it is in this group

    • The name "scheduleit_create_event" says "create": a word for a change.

    What it can reach

    • untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.
    Description, as the server wrote it
    WRITE: create a new event (booking, shift, job or task) in the Schedule It account, optionally linked to resources. It becomes visible to everyone with access to the schedule, and Schedule It may notify the linked resources according to the account's own notification settings. Confirm the title, dates and resources with the user first. POST /api/events.

    Annotations the server declares

    • title: Create event
    • readOnlyHint: false
    • destructiveHint: false
    • idempotentHint: false
    • openWorldHint: true
  • scheduleit_create_groupWRITE: add a new resource group to the Schedule It account.Reads text others writeNo findings

    Why it is in this group

    • The name "scheduleit_create_group" says "create": a word for a change.

    What it can reach

    • untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.
    Description, as the server wrote it
    WRITE: add a new resource group to the Schedule It account. POST /api/groups.

    Annotations the server declares

    • title: Create group
    • readOnlyHint: false
    • destructiveHint: false
    • idempotentHint: false
    • openWorldHint: true
  • scheduleit_create_resourceWRITE: add a new resource (a person, room, piece of equipment) to the Schedule It account.Reads text others writeNo findings

    Why it is in this group

    • The name "scheduleit_create_resource" says "create": a word for a change.

    What it can reach

    • untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.
    Description, as the server wrote it
    WRITE: add a new resource (a person, room, piece of equipment) to the Schedule It account. It may count toward the account's licensed resources or users. Confirm the details with the user first. POST /api/resources.

    Annotations the server declares

    • title: Create resource
    • readOnlyHint: false
    • destructiveHint: false
    • idempotentHint: false
    • openWorldHint: true
Only reads 8Show 8 read-only tools
  • scheduleit_get_eventOne event or task by id with ALL its fields (title, dates, linked resources, notes, completion, priority, custom fields).Reads private dataReads text others writeNo findings

    Why it is in this group

    • The name "scheduleit_get_event" says "get": a word for reading.

    What it can reach

    • private-dataThe description's first sentence says "note": it reads notes.
    • untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.
    Description, as the server wrote it
    One event or task by id with ALL its fields (title, dates, linked resources, notes, completion, priority, custom fields). GET /api/events/{id}.

    Annotations the server declares

    • title: Get event
    • readOnlyHint: true
    • destructiveHint: false
    • openWorldHint: true
  • scheduleit_get_groupOne resource group by id with ALL its fields.Reads text others writeNo findings

    Why it is in this group

    • The name "scheduleit_get_group" says "get": a word for reading.

    What it can reach

    • untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.
    Description, as the server wrote it
    One resource group by id with ALL its fields. GET /api/groups/{id}.

    Annotations the server declares

    • title: Get group
    • readOnlyHint: true
    • destructiveHint: false
    • openWorldHint: true
  • scheduleit_get_resourceOne resource by id with ALL its fields (name, email, groups, details 1-10, colours, skills).Reads private dataReads text others writeNo findings

    Why it is in this group

    • The name "scheduleit_get_resource" says "get": a word for reading.

    What it can reach

    • private-dataThe description's first sentence says "email": it reads mail.
    • untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.
    • untrusted-inputThe description's first sentence says "email": it reads inbound email, which other people can write.
    Description, as the server wrote it
    One resource by id with ALL its fields (name, email, groups, details 1-10, colours, skills). GET /api/resources/{id}.

    Annotations the server declares

    • title: Get resource
    • readOnlyHint: true
    • destructiveHint: false
    • openWorldHint: true
  • scheduleit_list_eventsList scheduled events and tasks (bookings, shifts, jobs).Reads text others writeNo findings

    Why it is in this group

    • The name "scheduleit_list_events" says "list": a word for reading.

    What it can reach

    • untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.
    Description, as the server wrote it
    List scheduled events and tasks (bookings, shifts, jobs). Without date_from/date_to Schedule It uses its default date range. Schedule It returns only a short summary of each event unless you name the fields you want: pass `fields` such as id,title,date_start,date_end,owner,notes,completed,priority,custom1 (get_event returns ALL fields of one event). `owner` holds the ids of the resources (people, rooms, equipment) the event is linked to. There is no paging: the reply holds up to `limit` events (default 100), so narrow with the filters instead. Do not call this repeatedly to watch for changes (use modified_after to fetch only what changed). GET /api/events.

    Annotations the server declares

    • title: List events
    • readOnlyHint: true
    • destructiveHint: false
    • openWorldHint: true
  • scheduleit_list_groupsList resource groups (the categories resources are organised in, e.g.Reads text others writeNo findings

    Why it is in this group

    • The name "scheduleit_list_groups" says "list": a word for reading.

    What it can reach

    • untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.
    Description, as the server wrote it
    List resource groups (the categories resources are organised in, e.g. Staff, Rooms, Vehicles). Pass `fields` (e.g. id,name) for more than the short summary. GET /api/groups.

    Annotations the server declares

    • title: List groups
    • readOnlyHint: true
    • destructiveHint: false
    • openWorldHint: true
  • scheduleit_list_label_groupsList label groups (the categories that labels are organised in).Reads text others writeNo findings

    Why it is in this group

    • The name "scheduleit_list_label_groups" says "list": a word for reading.

    What it can reach

    • untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.
    Description, as the server wrote it
    List label groups (the categories that labels are organised in). Pass `fields` (e.g. id,name) for more than the short summary. GET /api/labelgroups.

    Annotations the server declares

    • title: List label groups
    • readOnlyHint: true
    • destructiveHint: false
    • openWorldHint: true
  • scheduleit_list_labelsList the labels that can be put on events (for example Confirmed, Urgent).Reads text others writeNo findings

    Why it is in this group

    • The name "scheduleit_list_labels" says "list": a word for reading.

    What it can reach

    • untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.
    Description, as the server wrote it
    List the labels that can be put on events (for example Confirmed, Urgent). Pass `fields` (e.g. id,name) for more than the short summary. GET /api/labels.

    Annotations the server declares

    • title: List labels
    • readOnlyHint: true
    • destructiveHint: false
    • openWorldHint: true
  • scheduleit_list_resourcesList resources: the people, rooms, equipment or vehicles that events are scheduled against.Reads text others writeNo findings

    Why it is in this group

    • The name "scheduleit_list_resources" says "list": a word for reading.

    What it can reach

    • untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.
    Description, as the server wrote it
    List resources: the people, rooms, equipment or vehicles that events are scheduled against. Schedule It returns only a short summary unless you pass `fields` (for example id,name,email,data1; get_resource returns ALL fields of one). Resources belong to groups (`owner` = group ids). There is no paging; the reply holds up to `limit` resources (default 100). GET /api/resources.

    Annotations the server declares

    • title: List resources
    • readOnlyHint: true
    • destructiveHint: false
    • openWorldHint: true

This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.

Exfil surface

Which tools read private data, which read text someone else can write, and which can send data out. One of each is a path a prompt injection can use.

No private-data, untrusted-input, outbound path in this server alone: no tool is tagged outbound.

Reads private data2
Reads files, mail, messages, databases, secrets, calendars or repositories.
Reads text others write15
Brings in text someone else can write: web pages, inbound email, messages, issues and comments.
Can send data out0
Can carry data to people or systems: it sends, posts or publishes, or takes a recipient, channel or URL.

Other servers in the same agent add their own tools to these paths. Audit your whole setup to see them together.

Findings

Matches of fixed checks, with the text they matched.

No check matched anything in these tool definitions. That is not a safety guarantee.

History

Changes to its tool definitions and to its remote endpoint, newest first.

No change seen yet. Its tools are rescanned every day, and a remote endpoint is looked at once a week.

All changes to this server

Install

Pinned to version 1.0.0. Values in angle brackets are yours to fill in.

claude mcp add --transport http schedule-it https://schedule-it.usefulapi.io/mcp
claude mcp add --transport http schedule-it https://schedule-it.usefulapi.io/mcp

Run in a terminal.

Claude Code permissions

Allow the reads, ask before a change or a way out, deny the deletes. Paste into .claude/settings.json.

.claude/settings.json
{
  "permissions": {
    "allow": [
      "mcp__schedule-it__scheduleit_list_events",
      "mcp__schedule-it__scheduleit_get_event",
      "mcp__schedule-it__scheduleit_list_resources",
      "mcp__schedule-it__scheduleit_get_resource",
      "mcp__schedule-it__scheduleit_list_groups",
      "mcp__schedule-it__scheduleit_get_group",
      "mcp__schedule-it__scheduleit_list_labels",
      "mcp__schedule-it__scheduleit_list_label_groups"
    ],
    "ask": [
      "mcp__schedule-it__scheduleit_create_event",
      "mcp__schedule-it__scheduleit_create_resource",
      "mcp__schedule-it__scheduleit_create_group"
    ],
    "deny": [
      "mcp__schedule-it__scheduleit_update_event",
      "mcp__schedule-it__scheduleit_delete_event",
      "mcp__schedule-it__scheduleit_update_resource",
      "mcp__schedule-it__scheduleit_update_group"
    ]
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. A read that can send data out (it takes a URL, say) asks first too. It assumes the server is installed as schedule-it. Review it before you use it.

Capability tags behind 15 rules
  • mcp__schedule-it__scheduleit_list_events untrusted-input
  • mcp__schedule-it__scheduleit_get_event private-data, untrusted-input
  • mcp__schedule-it__scheduleit_create_event untrusted-input
  • mcp__schedule-it__scheduleit_update_event untrusted-input
  • mcp__schedule-it__scheduleit_delete_event untrusted-input
  • mcp__schedule-it__scheduleit_list_resources untrusted-input
  • mcp__schedule-it__scheduleit_get_resource private-data, untrusted-input
  • mcp__schedule-it__scheduleit_create_resource untrusted-input
  • mcp__schedule-it__scheduleit_update_resource untrusted-input
  • mcp__schedule-it__scheduleit_list_groups untrusted-input
  • mcp__schedule-it__scheduleit_get_group untrusted-input
  • mcp__schedule-it__scheduleit_create_group untrusted-input
  • mcp__schedule-it__scheduleit_update_group untrusted-input
  • mcp__schedule-it__scheduleit_list_labels untrusted-input
  • mcp__schedule-it__scheduleit_list_label_groups untrusted-input

Pin

Keep the decision: fail CI when the tools change, follow every change, or show a badge.

Pin in CI

Fail a build when the tools you reviewed are not the tools the server serves today.

curl -s "https://anlyon.dev/api/v1/servers/io.usefulapi/schedule-it/verify?hash=899a96c0c2ef8fe5da80a80829cb9cddee3e632d600c8406a9dce0420a8a8bfa" | jq -e '.changed == false'

Pinned hash 899a96c0c2ef, from Oct 24, 2026, 16:20 UTC.

Watch

Get told when its tools change: a new tool, a new description, a new class.

https://anlyon.dev/servers/io.usefulapi/schedule-it/changes.xml

An Atom feed. Works in any feed reader or Slack's RSS app.

Badge

anlyon.dev badge for io.usefulapi/schedule-it
[![anlyon.dev](https://anlyon.dev/badge/io.usefulapi/schedule-it.svg)](https://anlyon.dev/servers/io.usefulapi/schedule-it)

Source: MCP Registry · repository. Synced Oct 24, 2026, 17:18 UTC.