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Microsoft Excel MCP server for AI agents.

actionlake is an MCP gateway: one remote MCP server that connects Claude and other MCP clients to Microsoft Excel and the rest of your systems. It gives your agent 211 Microsoft Excel actions (114 reads, 89 writes and 8 that wait for a confirmation) and holds the Microsoft Excel credential itself, so the agent never does. It paces Microsoft Excel's limits and records every call. Connecting Microsoft Excel needs your own Microsoft Excel OAuth app and one admin sign-in.

100,000 free calls a month. No card, no email, no password: press Start a free sandbox on the next screen and keep the key it shows you.

claude mcp add --transport http actionlake https://connect.actionlake.com/mcp
the first call
do {  action: "m365_graph_excel.me.get",  intent: "check which Microsoft Excel account is connected"}# Get the signed-in user · read · 1 upstream call
  • 211actionsin one signed file
  • 114readlook, never change
  • 89writecreate and update
  • 8wait for a yesdestructive, confirmed first

Set up

Connect Microsoft Excel in three steps.

  1. 01

    Add actionlake to Claude.

    Run the command once in Claude Code; its consent page can create a free sandbox: 100,000 calls a month, no card. In the Claude app, add a custom connector with the URL below and paste your key on the consent page. Creating a new sandbox from the Claude app is not yet tested by us.

    https://connect.actionlake.com/mcp
  2. 02

    Connect Microsoft Excel.

    OAuth 2.0, authorization code with PKCE. You register your own OAuth app with Microsoft Excel, an admin signs in once, and you paste the app's client id and secret and the tokens from that sign-in; actionlake renews the access token from then on. actionlake stores what you paste write-only, sealed under your tenant's key.

    Before the first sign-in, Microsoft Excel needs an OAuth app of your own, registered in its developer portal. actionlake has no Microsoft Excel app to lend you.

    • access_tokenAccess token from one sign-in with your own OAuth app
    • refresh_tokenRefresh token from the same sign-in; the access token is renewed from it
    • client_idEntra application (client) id
    • client_secretEntra client secret
    • tenant_idYour Microsoft Excel tenant id
    account { op: "connections.requirements", service: "m365_graph_excel" }
    # free: exactly what to paste, and what is found for you
  3. 03

    Make the first call. Check before a write.

    Ask in plain words; Claude picks the action. Before anything changes, check validates the call and prices it, for free.

    do    { action: "m365_graph_excel.me.get" }# get the signed-in user · read · 1 upstream callcheck { action: "m365_graph_excel.worksheets.add", input: { … } }# free: inputs, permissions, cost and confirmations, nothing sent

Microsoft Excel at a glance

Sign-in
OAuth 2.0, authorization code with PKCE. You register your own OAuth app with Microsoft Excel, an admin signs in once, and you paste the app's client id and secret and the tokens from that sign-in; actionlake renews the access token from then on.
You provide
access_tokenrefresh_tokenclient_idclient_secret
Setup fields
tenant_id
Limits we pace to
10,000 calls per 10 minutes, per connection
API covered
Microsoft Excel (Graph workbook API) API v1.0graph.microsoft.com/v1.0
Built from
Microsoft Excel's documentation, read 22 October 2026OpenAPI spec (GitHub)learn.microsoft.com
Service file
Version 1.0.0, signed (Ed25519)
Cached reads
113 of 114 reads, for up to 5 minutes; a write clears what it affects
Shared entities
3, so ask can line Microsoft Excel up with your other systems
Data
Processed and stored in Sydney, Australia. No US region yet

Capabilities

What an AI agent can do in Microsoft Excel.

211 actions in 1 area. Every one carries its effect, so a key can allow the reads and hold the rest.

  • 114readlook, never change
  • 89writecreate and update
  • 8destructivewait for a confirmation
  1. Spreadsheets

    211

    114 read · 89 write · 8 destructive

    Get a workbook file · Search my OneDrive for files · Get a workbook file by path · Search a drive for files

Top actions

The Microsoft Excel API, shaped for agents.

The ids your agent types, what each does, and the one name it shares with other systems. 25 of Microsoft Excel's 31 action names are shared with at least one other connector, so an agent learns them once.

ActionWhat it doesEffectSame name in
m365_graph_excel.drive_items.getGet a workbook fileThe drive item (file metadata) for a workbook: name, size, web URL, timestamps.readcontent.file.get74 connectors
m365_graph_excel.drive_items.search_mySearch my OneDrive for filesSearch the signed-in user's OneDrive (and files shared with them) for workbooks by name or content.readcontent.file.search16 connectors
m365_graph_excel.worksheets.listList worksheetsAll worksheets in the workbook, with name, position and visibility.readcontent.sheet.list2 connectors
m365_graph_excel.me.getGet the signed-in userThe profile of the user who authorised the connection — a cheap check that the connection works.readidentity.current_user.get307 connectors
m365_graph_excel.worksheets.addAdd a worksheetAdd a new worksheet at the end of the workbook.writecontent.sheet.create2 connectors
m365_graph_excel.worksheets.deleteDelete a worksheetDelete a worksheet and everything on it.destructivecontent.sheet.delete2 connectors
m365_graph_excel.workbooks.getGet a workbookThe workbook object of an .xlsx file — a cheap check that the file opens as a workbook.readcontent.spreadsheet.get5 connectors
m365_graph_excel.ranges.insertInsert cellsInsert blank cells at the range, shifting existing cells down or right.writecontent.cell_range.create3 connectors
m365_graph_excel.tables.addCreate a tableTurn a range into a table.writecontent.sheet_table.create2 connectors
m365_graph_excel.tables.add_to_worksheetCreate a table on a worksheetTurn a range on one worksheet into a table.writecontent.sheet_table.create2 connectors
m365_graph_excel.comments.listList commentsAll comments in the workbook.readcontent.document_comment.list10 connectors
m365_graph_excel.ranges.getGet a rangeValues, formulas, number formats, text and address of a range, e.g. `A1:C10`.readcontent.cell_range.get3 connectors

Try it

Prompts to paste into Claude.

Each one names the Microsoft Excel actions it will call, so you know what it reads and what it changes before you send it.

  1. Readread

    Which Microsoft Excel files changed this week, and who changed them?

    callsm365_graph_excel.drive_items.search_my

  2. Writewrite

    Add a worksheet in Microsoft Excel. Show me exactly what you will send before you save it.

    callsm365_graph_excel.worksheets.add

Governance for Microsoft Excel

Destructive actions wait for a yes.

8 Microsoft Excel actions are destructive. These are all of them:

  • Delete a worksheetm365_graph_excel.worksheets.delete
  • Clear a rangem365_graph_excel.ranges.clear
  • Delete a rangem365_graph_excel.ranges.delete
  • Delete a tablem365_graph_excel.tables.delete
  • Delete a named itemm365_graph_excel.names.delete
  • Delete a chartm365_graph_excel.charts.delete
  • Delete a table rowm365_graph_excel.table_rows.delete
  • Delete a table columnm365_graph_excel.table_columns.delete

A destructive action runs only with confirm: true. Under the human policy the agent cannot confirm for itself: the run stops until a named person approves, in the console or from a signed link in an email. The cap on a key is refused before the call is sent, never after.

dom365_graph_excel.worksheets.deleteconfirm_policy: human

Delete a worksheet?

intent: the user asked me to delete a worksheet

run suspended · waiting for a named person · key m365-graph-excel-agent cannot confirm itself
In the console, or from an emailed signed link.
a key for this connector
account {  op: "keys.create", name: "m365-graph-excel-agent",  allowed_actions: ["m365_graph_excel.*"], cap_calls: 2000,  confirm_policy: "human_for_writes",  approval_rules: [    { match: "m365_graph_excel.worksheets.delete", approver: "[email protected]" },    { match: "m365_graph_excel.ranges.clear", approver: "[email protected]" },    { match: "m365_graph_excel.ranges.delete", approver: "[email protected]" }  ]}
Illustrative. Scoped to Microsoft Excel only, capped at 2,000 upstream calls, every write confirmed, and the destructive ones approved by a named person.

Cost

What Microsoft Excel costs on actionlake.

Every Microsoft Excel action is one upstream call, the only thing actionlake bills. Searching, check, cost, account and any call Microsoft Excel refused with 401, 403, 429 or a 5xx are free. Paid plans start at US$49 a month for 250,000 calls, with overage from US$0.30 down to US$0.18 per 1,000.

  • 1upstream call per actionall 211 Microsoft Excel actions
  • 2actions pageeach page of a long list is one call
  • 113reads can be cacheda cache hit costs nothing
  • 100,000calls a month, freepaid plans from US$49 a month for 250,000

See pricing

Action index

Every Microsoft Excel action.

211 actions by area: the id your agent calls, what it does, and its effect.

Spreadsheets211
  • m365_graph_excel.application.calculateRecalculate the workbookwrite
  • m365_graph_excel.application.getGet the workbook applicationread
  • m365_graph_excel.chart_axes.getGet a chart's axesread
  • m365_graph_excel.chart_axis.getGet a chart axisread
  • m365_graph_excel.chart_axis.updateUpdate a chart axiswrite
  • m365_graph_excel.chart_axis_font.getGet axis label fontread
  • m365_graph_excel.chart_axis_font.updateUpdate axis label fontwrite
  • m365_graph_excel.chart_axis_line.clearClear axis line formatwrite
  • m365_graph_excel.chart_axis_line.getGet axis line formatread
  • m365_graph_excel.chart_axis_line.updateUpdate axis line formatwrite
  • m365_graph_excel.chart_axis_title.getGet an axis titleread
  • m365_graph_excel.chart_axis_title.updateUpdate an axis titlewrite
  • m365_graph_excel.chart_axis_title_font.getGet axis title fontread
  • m365_graph_excel.chart_axis_title_font.updateUpdate axis title fontwrite
  • m365_graph_excel.chart_data_labels.getGet chart data labelsread
  • m365_graph_excel.chart_data_labels.updateUpdate chart data labelswrite
  • m365_graph_excel.chart_data_labels_fill.clearClear data labels fillwrite
  • m365_graph_excel.chart_data_labels_fill.set_solid_colorSet data labels fillwrite
  • m365_graph_excel.chart_data_labels_font.getGet data labels fontread
  • m365_graph_excel.chart_data_labels_font.updateUpdate data labels fontwrite
  • m365_graph_excel.chart_format_fill.clearClear chart-area fillwrite
  • m365_graph_excel.chart_format_fill.set_solid_colorSet chart-area fillwrite
  • m365_graph_excel.chart_format_font.getGet chart-area fontread
  • m365_graph_excel.chart_format_font.updateUpdate chart-area fontwrite
  • m365_graph_excel.chart_gridlines.getGet axis gridlinesread
  • m365_graph_excel.chart_gridlines.updateShow or hide axis gridlineswrite
  • m365_graph_excel.chart_gridlines_line.clearClear gridline formatwrite
  • m365_graph_excel.chart_gridlines_line.getGet gridline formatread
  • m365_graph_excel.chart_gridlines_line.updateUpdate gridline formatwrite
  • m365_graph_excel.chart_legend.getGet a chart legendread
  • m365_graph_excel.chart_legend.updateUpdate a chart legendwrite
  • m365_graph_excel.chart_legend_fill.clearClear legend fillwrite
  • m365_graph_excel.chart_legend_fill.set_solid_colorSet legend fillwrite
  • m365_graph_excel.chart_legend_font.getGet legend fontread
  • m365_graph_excel.chart_legend_font.updateUpdate legend fontwrite
  • m365_graph_excel.chart_points.countCount chart pointsread
  • m365_graph_excel.chart_points.getGet a chart pointread
  • m365_graph_excel.chart_points.get_atGet a chart point by positionread
  • m365_graph_excel.chart_points.listList chart pointsread
  • m365_graph_excel.chart_points_fill.clearClear point fillwrite
  • m365_graph_excel.chart_points_fill.set_solid_colorSet point fillwrite
  • m365_graph_excel.chart_series.countCount chart seriesread
  • m365_graph_excel.chart_series.getGet a chart seriesread
  • m365_graph_excel.chart_series.get_atGet a chart series by positionread
  • m365_graph_excel.chart_series.listList chart seriesread
  • m365_graph_excel.chart_series.updateRename a chart serieswrite
  • m365_graph_excel.chart_series_fill.clearClear series fillwrite
  • m365_graph_excel.chart_series_fill.set_solid_colorSet series fillwrite
  • m365_graph_excel.chart_series_line.clearClear series line formatwrite
  • m365_graph_excel.chart_series_line.getGet series line formatread
  • m365_graph_excel.chart_series_line.updateUpdate series line formatwrite
  • m365_graph_excel.chart_title.getGet a chart titleread
  • m365_graph_excel.chart_title.updateUpdate a chart titlewrite
  • m365_graph_excel.chart_title_fill.clearClear chart title fillwrite
  • m365_graph_excel.chart_title_fill.set_solid_colorSet chart title fillwrite
  • m365_graph_excel.chart_title_font.getGet chart title fontread
  • m365_graph_excel.chart_title_font.updateUpdate chart title fontwrite
  • m365_graph_excel.charts.addCreate a chartwrite
  • m365_graph_excel.charts.countCount chartsread
  • m365_graph_excel.charts.deleteDelete a chartdestructive
  • m365_graph_excel.charts.getGet a chartread
  • m365_graph_excel.charts.get_atGet a chart by positionread
  • m365_graph_excel.charts.get_imageRender a chart imageread
  • m365_graph_excel.charts.get_image_sizedRender a chart image at a sizeread
  • m365_graph_excel.charts.get_worksheetGet a chart's worksheetread
  • m365_graph_excel.charts.listList chartsread
  • m365_graph_excel.charts.set_dataSet a chart's source datawrite
  • m365_graph_excel.charts.set_positionPosition a chartwrite
  • m365_graph_excel.charts.updateUpdate a chartwrite
  • m365_graph_excel.comment_replies.createReply to a commentwrite
  • m365_graph_excel.comment_replies.getGet a comment replyread
  • m365_graph_excel.comment_replies.listList comment repliesread
  • m365_graph_excel.comments.getGet a commentread
  • m365_graph_excel.comments.listList commentsread
  • m365_graph_excel.drive_items.getGet a workbook fileread
  • m365_graph_excel.drive_items.get_by_pathGet a workbook file by pathread
  • m365_graph_excel.drive_items.searchSearch a drive for filesread
  • m365_graph_excel.drive_items.search_mySearch my OneDrive for filesread
  • m365_graph_excel.drives.get_for_siteGet a site's default document libraryread
  • m365_graph_excel.drives.get_myGet my OneDriveread
  • m365_graph_excel.functions.callEvaluate an Excel functionread
  • m365_graph_excel.me.getGet the signed-in userread
  • m365_graph_excel.names.addAdd a named itemwrite
  • m365_graph_excel.names.add_formula_localAdd a named item (local formula)write
  • m365_graph_excel.names.deleteDelete a named itemdestructive
  • m365_graph_excel.names.getGet a named itemread
  • m365_graph_excel.names.get_rangeGet a named item's rangeread
  • m365_graph_excel.names.listList named itemsread
  • m365_graph_excel.names.updateUpdate a named itemwrite
  • m365_graph_excel.operations.getGet a long-running workbook operationread
  • m365_graph_excel.pivot_tables.getGet a PivotTableread
  • m365_graph_excel.pivot_tables.get_worksheetGet a PivotTable's worksheetread
  • m365_graph_excel.pivot_tables.listList PivotTablesread
  • m365_graph_excel.pivot_tables.refreshRefresh a PivotTablewrite
  • m365_graph_excel.pivot_tables.refresh_allRefresh all PivotTables on a worksheetwrite
  • m365_graph_excel.range_borders.getGet a range borderread
  • m365_graph_excel.range_borders.listList range bordersread
  • m365_graph_excel.range_borders.updateUpdate a range borderwrite
  • m365_graph_excel.range_fill.clearClear range fillwrite
  • m365_graph_excel.range_fill.getGet range fillread
  • m365_graph_excel.range_fill.updateSet range fillwrite
  • m365_graph_excel.range_font.getGet range fontread
  • m365_graph_excel.range_font.updateUpdate range fontwrite
  • m365_graph_excel.range_format.autofit_columnsAutofit columnswrite
  • m365_graph_excel.range_format.autofit_rowsAutofit rowswrite
  • m365_graph_excel.range_format.getGet range formatread
  • m365_graph_excel.range_format.updateUpdate range formatwrite
  • m365_graph_excel.range_protection.getGet range cell protectionread
  • m365_graph_excel.range_protection.updateUpdate range cell protectionwrite
  • m365_graph_excel.range_sort.applySort a rangewrite
  • m365_graph_excel.ranges.clearClear a rangedestructive
  • m365_graph_excel.ranges.deleteDelete a rangedestructive
  • m365_graph_excel.ranges.getGet a rangeread
  • m365_graph_excel.ranges.get_bounding_rectGet the bounding rectangleread
  • m365_graph_excel.ranges.get_cellGet a cell in a rangeread
  • m365_graph_excel.ranges.get_columnGet a column in a rangeread
  • m365_graph_excel.ranges.get_columns_afterGet columns to the rightread
  • m365_graph_excel.ranges.get_columns_beforeGet columns to the leftread
  • m365_graph_excel.ranges.get_entire_columnGet the entire columnread
  • m365_graph_excel.ranges.get_entire_rowGet the entire rowread
  • m365_graph_excel.ranges.get_intersectionGet the intersectionread
  • m365_graph_excel.ranges.get_last_cellGet the last cellread
  • m365_graph_excel.ranges.get_last_columnGet the last columnread
  • m365_graph_excel.ranges.get_last_rowGet the last rowread
  • m365_graph_excel.ranges.get_offsetGet an offset rangeread
  • m365_graph_excel.ranges.get_resizedGet a resized rangeread
  • m365_graph_excel.ranges.get_rowGet a row in a rangeread
  • m365_graph_excel.ranges.get_rows_aboveGet rows aboveread
  • m365_graph_excel.ranges.get_rows_belowGet rows belowread
  • m365_graph_excel.ranges.get_used_rangeGet the used part of a rangeread
  • m365_graph_excel.ranges.get_used_range_values_onlyGet the used part of a range (values only)read
  • m365_graph_excel.ranges.get_visible_viewGet the visible viewread
  • m365_graph_excel.ranges.get_worksheetGet a range's worksheetread
  • m365_graph_excel.ranges.insertInsert cellswrite
  • m365_graph_excel.ranges.mergeMerge cellswrite
  • m365_graph_excel.ranges.unmergeUnmerge cellswrite
  • m365_graph_excel.ranges.updateWrite to a rangewrite
  • m365_graph_excel.sessions.closeClose a workbook sessionwrite
  • m365_graph_excel.sessions.createCreate a workbook sessionwrite
  • m365_graph_excel.sessions.get_infoGet an async session-creation resultread
  • m365_graph_excel.sessions.refreshRefresh a workbook sessionwrite
  • m365_graph_excel.table_column_filters.applyApply a column filterwrite
  • m365_graph_excel.table_column_filters.apply_bottom_itemsFilter to bottom N itemswrite
  • m365_graph_excel.table_column_filters.apply_bottom_percentFilter to bottom N percentwrite
  • m365_graph_excel.table_column_filters.apply_cell_colorFilter by cell colourwrite
  • m365_graph_excel.table_column_filters.apply_customApply a custom filterwrite
  • m365_graph_excel.table_column_filters.apply_dynamicApply a dynamic filterwrite
  • m365_graph_excel.table_column_filters.apply_font_colorFilter by font colourwrite
  • m365_graph_excel.table_column_filters.apply_iconFilter by iconwrite
  • m365_graph_excel.table_column_filters.apply_top_itemsFilter to top N itemswrite
  • m365_graph_excel.table_column_filters.apply_top_percentFilter to top N percentwrite
  • m365_graph_excel.table_column_filters.apply_valuesFilter by valueswrite
  • m365_graph_excel.table_column_filters.clearClear a column filterwrite
  • m365_graph_excel.table_column_filters.getGet a column filterread
  • m365_graph_excel.table_columns.addAdd a table columnwrite
  • m365_graph_excel.table_columns.countCount table columnsread
  • m365_graph_excel.table_columns.deleteDelete a table columndestructive
  • m365_graph_excel.table_columns.getGet a table columnread
  • m365_graph_excel.table_columns.get_atGet a table column by positionread
  • m365_graph_excel.table_columns.get_data_body_rangeGet a column's dataread
  • m365_graph_excel.table_columns.get_header_row_rangeGet a column's header cellread
  • m365_graph_excel.table_columns.get_rangeGet a column's rangeread
  • m365_graph_excel.table_columns.get_total_row_rangeGet a column's total cellread
  • m365_graph_excel.table_columns.listList table columnsread
  • m365_graph_excel.table_columns.updateUpdate a table columnwrite
  • m365_graph_excel.table_row_operations.getGet an async row-add resultread
  • m365_graph_excel.table_rows.addAdd table rowswrite
  • m365_graph_excel.table_rows.countCount table rowsread
  • m365_graph_excel.table_rows.deleteDelete a table rowdestructive
  • m365_graph_excel.table_rows.getGet a table rowread
  • m365_graph_excel.table_rows.get_atGet a table row by positionread
  • m365_graph_excel.table_rows.get_rangeGet a table row's rangeread
  • m365_graph_excel.table_rows.listList table rowsread
  • m365_graph_excel.table_rows.updateUpdate a table rowwrite
  • m365_graph_excel.table_sort.applySort a tablewrite
  • m365_graph_excel.table_sort.clearClear a table's sortwrite
  • m365_graph_excel.table_sort.getGet a table's sortread
  • m365_graph_excel.table_sort.reapplyReapply a table's sortwrite
  • m365_graph_excel.tables.addCreate a tablewrite
  • m365_graph_excel.tables.add_to_worksheetCreate a table on a worksheetwrite
  • m365_graph_excel.tables.clear_filtersClear a table's filterswrite
  • m365_graph_excel.tables.convert_to_rangeConvert a table to a rangewrite
  • m365_graph_excel.tables.countCount tablesread
  • m365_graph_excel.tables.deleteDelete a tabledestructive
  • m365_graph_excel.tables.getGet a tableread
  • m365_graph_excel.tables.get_data_body_rangeGet a table's dataread
  • m365_graph_excel.tables.get_header_row_rangeGet a table's header rowread
  • m365_graph_excel.tables.get_rangeGet a table's rangeread
  • m365_graph_excel.tables.get_total_row_rangeGet a table's total rowread
  • m365_graph_excel.tables.get_worksheetGet a table's worksheetread
  • m365_graph_excel.tables.listList tablesread
  • m365_graph_excel.tables.list_for_worksheetList a worksheet's tablesread
  • m365_graph_excel.tables.reapply_filtersReapply a table's filterswrite
  • m365_graph_excel.tables.updateUpdate a tablewrite
  • m365_graph_excel.workbooks.getGet a workbookread
  • m365_graph_excel.worksheet_names.addAdd a worksheet named itemwrite
  • m365_graph_excel.worksheet_names.add_formula_localAdd a worksheet named item (local formula)write
  • m365_graph_excel.worksheet_names.getGet a worksheet named itemread
  • m365_graph_excel.worksheet_names.get_rangeGet a worksheet named item's rangeread
  • m365_graph_excel.worksheet_names.listList a worksheet's named itemsread
  • m365_graph_excel.worksheet_protection.getGet worksheet protectionread
  • m365_graph_excel.worksheet_protection.protectProtect a worksheetwrite
  • m365_graph_excel.worksheet_protection.unprotectUnprotect a worksheetwrite
  • m365_graph_excel.worksheets.addAdd a worksheetwrite
  • m365_graph_excel.worksheets.deleteDelete a worksheetdestructive
  • m365_graph_excel.worksheets.getGet a worksheetread
  • m365_graph_excel.worksheets.get_cellGet a cellread
  • m365_graph_excel.worksheets.get_used_rangeGet the used rangeread
  • m365_graph_excel.worksheets.get_used_range_values_onlyGet the used range (values only)read
  • m365_graph_excel.worksheets.listList worksheetsread
  • m365_graph_excel.worksheets.updateUpdate a worksheetwrite

Questions

The Microsoft Excel MCP server, answered.

Is there a Microsoft Excel MCP server for Claude?

Yes. actionlake is an MCP gateway: a remote MCP server that gives Claude, or another MCP client, 211 Microsoft Excel actions, through the same eight tools it uses for every other connector. actionlake is independent; it is not made or endorsed by Microsoft Excel.

What do I need to connect Microsoft Excel?

Your own Microsoft Excel OAuth app, registered with Microsoft Excel (its client id and client secret), and the access and refresh tokens from one admin sign-in. actionlake has no Microsoft Excel app of its own, so this is not a one-step consent. actionlake renews the access token as it expires. Plus your tenant id. The free call account { op: "connections.requirements", service: "m365_graph_excel" } lists exactly what to paste.

Can an AI agent delete or change things in Microsoft Excel?

Only if its key allows it, and only with an explicit confirmation. 8 Microsoft Excel actions are destructive, including delete a worksheet, clear a range and delete a range. Each runs only with confirm: true. Under the human confirm policy, or an approval rule on the key, the run waits until a named person approves it.

Will an AI agent use up my Microsoft Excel API limit?

actionlake paces every call to the limits in the Microsoft Excel service file: 10,000 calls per 10 minutes per connection. Repeated reads are answered from cache (113 Microsoft Excel actions can be), which never reaches Microsoft Excel.

What does a Microsoft Excel action cost?

One upstream call, the only unit actionlake bills. A list that pages bills one call per page (2 Microsoft Excel actions page). Cache hits, searches, dry runs and calls Microsoft Excel refused with 401, 403, 429 or a 5xx are free. The Free plan includes 100,000 calls a month with no card. Paid plans start at US$49 a month for 250,000 calls, with overage from US$0.30 down to US$0.18 per 1,000.

Which Microsoft Excel API does it cover?

The Microsoft Excel (Graph workbook API) API v1.0 at graph.microsoft.com/v1.0. It is built from Microsoft Excel's documentation as read on 22 October 2026. 211 actions in 1 area, each one in the signed service file (version 1.0.0).

Does actionlake keep my Microsoft Excel data, and where?

actionlake processes and stores data in Sydney, Australia; there is no US region yet. Reads may be cached for up to 5 minutes, and a write clears the reads it affects. Each run's request and response is kept, sealed, for your plan's trace window: 1 day on Free, 3 days on Starter, 7 days on Pro, 14 days on Team, 30 days on Business and 30 days on Enterprise. Your Microsoft Excel credential is sealed under your tenant's key, never logged and never returned. Your traffic is not used to train models.

Which AI clients can use it?

Claude Code, tested by us end to end, and the Claude app as a custom connector, tested by us with an existing key. Other MCP clients that support remote servers over Streamable HTTP (MCP revisions 2025-06-18 and 2025-11-25) and OAuth dynamic client registration, or a bearer header, should connect the same way; we have not tested them. Or plain REST, under the same action names.

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