A Model Context Protocol (MCP) server for interacting with Microsoft 365 and Office services through the Graph API
Nothing to run from here
Open Sunsama is installed from its publisher's own source and answers where it runs, so this marketplace is not in the path of a single call. There is no address here to send one to, and a panel that pretended otherwise would be showing you an answer we made up. Install it and call it from your own client — the Installation tab has the entry for each one.
98/100
trust score
4
downloads a day
local
runs on your machine
473
downloads in 30d
What it does
MCP server for Open Sunsama - AI agent task and calendar management
Quickstart
# 1 — add it to Claude Code
claude mcp add --scope user open-sunsama-mcp '--' npx -y @open-sunsama/mcp
# 2 — ask your agent for something these tools do
# list_subtasks, create_subtask, toggle_subtask and 20 more
Open Sunsama costs nothing on mcprush: there is no plan to choose here, no cap to set and nothing mcprush can bill you for.
Publishernot claimed
OSAll 1 server
@open-sunsama1 server
1 category
Collected from a public index. Nobody has claimed this account, so nothing here was written by its author — claim it if it is yours.
Installation
Where are you running it?
Every route below installs the same thing and ends at the same approval screen. This one runs on your machine: your client starts Open Sunsama as a process under your own user, with your files and your network, so the tool surface below is what it can do to your computer rather than to a server somewhere else. Its scan result is on the Security tab — read the surface before you approve it.
Claude Codedeclared by this listing
This is a public server: you run it yourself and this marketplace is not in the path. You need Node.js — the current LTS (24) is the safe choice; npx comes with it. Claude Code registers it in one command; --scope user makes it available in every project. The '--' is in quotes so that PowerShell passes it on.
claude mcp add --scope user open-sunsama-mcp '--' npx -y @open-sunsama/mcpReconnect, or start a new session, and the tools appear in the model’s tool list.
Free on mcprush, and it runs from its publisher’s own package: this marketplace is not in the path, so there is no key of ours to hold and no card to add.
What it writes
One config entry your client uses to start the process locally. A local server runs with your file system and your network, which is why it is priced without metering.
What you approve
23 tools, with what each one reads, writes and reaches shown before you agree — the same list on every route above. Read the tool surface.
Tool surface
What the model actually sees. Descriptions are diffed on every release — see version history.
List all subtasks for a specific task. Subtasks are checklist items within a task that help break down work into smaller actionable steps. Returns all subtasks with their completion status, title, and position.
No parameter schema on file.
Create a new subtask within a task. Subtasks are smaller actionable items that help break down a task into manageable steps. Each subtask has a title and can optionally be positioned at a specific order within the task
No parameter schema on file.
Toggle a subtask
No parameter schema on file.
Update a subtask
No parameter schema on file.
Permanently delete a subtask from a task. This action cannot be undone. Use this when a subtask is no longer needed or was created by mistake.
No parameter schema on file.
List tasks with optional filters. Returns tasks sorted by position by default. Examples: - List today
No parameter schema on file.
Get detailed information about a specific task by its ID. Returns the full task object including title, notes, scheduled date, priority, completion status, and timestamps. Example: {
No parameter schema on file.
Create a new task. Required: title Optional: notes, scheduledDate, estimatedMins, priority Priority levels: - P0: Critical/Urgent (highest priority) - P1: High priority - P2: Medium priority (default) - P3: Low priority Examples: - Simple task: {
No parameter schema on file.
No parameter schema on file.
Mark a task as complete. Sets the task
No parameter schema on file.
Mark a task as incomplete (reopen a completed task). Clears the task
No parameter schema on file.
Permanently delete a task. WARNING: This action cannot be undone. The task and all its subtasks will be permanently removed. Example: {
No parameter schema on file.
Move a task to a specific date or to the backlog. This is a convenience tool for rescheduling tasks. Use it to: - Schedule a backlog task to a specific date - Reschedule a task to a different date - Move a scheduled task back to the backlog Examples: - Schedule for tomorrow: {
No parameter schema on file.
No parameter schema on file.
List time blocks from your calendar with optional filters. Use this tool to: - View all time blocks for a specific date (use
No parameter schema on file.
No parameter schema on file.
No parameter schema on file.
Update an existing time block
No parameter schema on file.
Delete a time block from your calendar. Use this tool to: - Remove a scheduled time block that
No parameter schema on file.
Link a task to a time block, or unlink a task from a time block. Use this tool to: - Connect a scheduled time block to a specific task you
No parameter schema on file.
No parameter schema on file.
Get the current authenticated user
No parameter schema on file.
Update the current user
No parameter schema on file.
Free
$0 forever
- Every tool, no call limit
- No card, and mcprush charges nothing for it
- Source is public, though no licence is declared for it
- Runs on your machine — nothing of it reaches our gateway
- Nothing to cap, because mcprush bills nothing
What counts against your monthly calls
| Tool | Unit | Calls used | Out of the allowance |
|---|
Nothing here is billable: mcprush charges nothing to install Open Sunsama or to call it, at any volume.
Call allowance · this installenforced at the gateway
Monthly allowance, in calls
—
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Alert at 80% · then the tool returns a normal MCP error
Used this month: —
ATrust score 98 / 100
Release 1.3.0 · scanned 14 Oct 2026
Two independent axes, because powerful and malicious are different questions. The grade is threat only. The capability level is blast radius, and it is never a penalty on the grade — it is priced as one subtract-only term in the score, where you can see it.
Threat score100
Client score98
Findings2 threat · 0 capability
Capabilityminimal
Coveragesource
Verificationnone
Surface digestaa64ec34564bf967bb54e2e451350d51c2e7f386db3c65f855fa6725be4b5e56
Score vectorthreat 100 → client 98
| Term | Level | What it prices | Points |
|---|---|---|---|
| capability-exposure | minimal | capability blast radius (minimal) — client exposure if the model is manipulated | −0 |
| verification-discount | none | publisher verification (unlinked) — no provenance/repo link, but the shipped source was fully read | −2 |
| coverage-honesty | source | inspection depth (source) — how much of the target the scan could see | −0 |
score = clamp(round(threatScore − E_cap − E_ver − E_cov), 0, 100). No model, no opinion, no network call at scoring time: the same methodology version against the same bytes always produces this number, and every line above is a field of the report rather than a summary of it.
What the scan could actually read
A grade is only as meaningful as its coverage, so the scanner publishes its own depth before it publishes its result.
Tool surfacenot available
Implementation sourceread
Package metadataread
Live transportnot available
No tools were enumerated, so prompt-injection, capability and toxic-flow analysis had no tool surface to inspect. To grade a package’s real runtime tools, scan the running server: --command "npx -y <package>".
Capability — what it could do if the model were manipulated
Tags derived from each tool’s schema and the implementation, not from what the tool calls itself. minimal is the level these add up to.
| Tool | Capability tags | Why the tag was assigned |
|---|---|---|
| No per-tool rows for this release — see the note below. | ||
No tool surface was enumerated, so there is nothing to attribute a capability to.
Toxic-flow graph
The lethal trifecta, checked as a graph rather than as a checklist: untrusted input, a sensitive source and an external sink have to meet before there is a path worth worrying about.
The public result for this release does not print the flow graph, so there is nothing to show here. That is not the same as "no paths were found": what the scan did read is above, under coverage.
Supply chain and provenance
Integrityfirst-seen
Surface digestaa64ec34564bf967
Scanned2026-10-14
This is the first scan of this surface here, so there is nothing yet to compare it against.
Every result on this tab comes from one deterministic pass over the published package — offline, rule by rule, and auditable line by line above. Same methodology version, same bytes, same score.
Release history
Always latest — the install command names no version, so it installs the newest release when it runs; the current release on file is 1.3.0. Pin a release below and the command asks for exactly that one.
1.3.0
26 Sep 2026
latestNo release note was published with this version.
1.2.0
24 Sep 2026
No release note was published with this version.
1.0.0
undated
- The version this listing was on when mcprush began following its releases. The registry was not asked when it shipped, so this row carries no date.
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