mcpcost

io.github.timfurlong/msgraph-mcp

MSGraph MCP

Is the MSGraph MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-12.

MCP server for Microsoft Graph: Outlook mail and calendar, plus read-only Microsoft Teams

alive probed 2026-11-14 · unchanged since 2026-11-12

50tools
21ktokens in Claude Opus 5.5
10.5 %of Claude's 200k window
8.4×the median server
4.5 sto initialize
13 msto list tools
Run it
uvx msgraph-mcp-server@0.5.2 (stdio, probed in a container with the network off)
Host
pypi.org
Reports itself as
msgraph-mcp
Capabilities
prompts, resources, tools
Instructions
1 363 characters
Of a 1M window
2.1 % of a 1M context window
Count
21k tokens in Claude Opus 5.5, exact, measured 2026-11-12. With the Claude Code prefix mcp__…__ on each tool name: 22k. The o200k_base estimate is 12k. Counted again when the tool definitions change. Method.
Repository
https://github.com/timfurlong/msgraph-mcp
Registry
active, updated 2026-11-12 · registry entry
Changes
3 recorded, reachable in 3 of them. A row is added when the result, the tool count or the cost changes.

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.78×.

Tool≈ Claude tokenso200k estimateShare of this server
update_rule1 4468147 %
create_rule1 3547626 %
create_event1 2376966 %
download_hosted_content1 0135705 %
list_messages9615415 %

Compare this server with others.

More servers

Other registry entries on pypi.org, the ones next to this name; all of them.

Servers that mention microsoft or calendar.

History

We add a row when the result changes. A server with no change keeps its last row.

ProbedResultInitToolsClaudeo200k
2026-11-12 09:02alive2.8 s5021k12k
2026-10-27 06:59alive1.9 s5021k12k
2026-10-20 06:45alive4.5 s5012k

Badge for the README

mcpcost: alive

The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.

Atom feed

A mail when this server changes

Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.

For the publisher