io.github.sapientsai/microsoft365-mcp-server

Microsoft 365 via Graph — mail, calendar, contacts, files, Teams, Planner, OneNote, To Do.

What does this entry provide?

io.github.sapientsai/microsoft365-mcp-server is an MCP server entry in ChatHome Skills, sourced from Official MCP Registry and scored 78/100. As a Model Context Protocol server, it exposes tools that MCP-compatible LLM clients such as Claude, Cursor, and Copilot can call directly, extending an agent's reach beyond its built-in capabilities. ChatHome Skills discovered this entry through its daily ingest of official registries and GitHub discovery queries, and re-verifies repository facts, freshness signals, and install metadata on every run. The quality score weighs official-registry presence, a working install command, license clarity, GitHub star trajectory, and repository freshness — the full formula is on the Sources page. The install command above is ready to copy. Review the last-pushed date and repository status before adding io.github.sapientsai/microsoft365-mcp-server to a production agent workflow; the snapshot facts below are point-in-time values from the most recent ingest.

Snapshot facts

Source: Official MCP Registry
Quality: 78/100
Install method: npm
Repo: sapientsai/microsoft365-mcp-server
Repo updated: Oct 24, 2026

Install command

npx -y microsoft365-mcp-server@1.2.17

Install method: npm

Review the upstream source before running this command.

GitHub project

Quality

Repo stars

Repo updated

Oct 24, 2026

How is this score calculated?

Weighted across six dimensions, scored 0-100.
Provenance (25): listed in an official or curated registry.
Installability (25): a runnable install command beats a declared transport, which beats a source checkout.
Maintenance (20): recency of the last push; archived entries score zero here.
Adoption (20): repository stars on a log curve.

MCP manifest

{
  "_meta": {
    "io.modelcontextprotocol.registry/official": {
      "status": "active",
      "isLatest": true,
      "updatedAt": "2026-10-24T17:28:34.331423Z",
      "publishedAt": "2026-10-24T17:28:34.331423Z",
      "statusChangedAt": "2026-10-24T17:28:34.331423Z"
    }
  },
  "server": {
    "name": "io.github.sapientsai/microsoft365-mcp-server",
    "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
    "version": "1.2.17",
    "packages": [
      {
        "version": "1.2.17",
        "transport": {
          "type": "stdio"
        },
        "identifier": "microsoft365-mcp-server",
        "registryType": "npm",
        "environmentVariables": [
          {
            "name": "MS365_CLIENT_ID",
            "format": "string",
            "isRequired": true,
            "description": "Azure AD application (client) ID. Every mode except client-token needs it."
          },
          {
            "name": "MS365_TENANT_ID",
            "format": "string",
            "description": "Azure AD tenant ID, or 'common'/'organizations'/'consumers'. Read by certificate, client-secret and oauth-proxy modes."
          },
          {
            "name": "MS365_CLIENT_SECRET",
            "format": "string",
            "isSecret": true,
            "description": "Azure AD client secret (client-secret mode)."
          },
          {
            "name": "MS365_CERT_PATH",
            "format": "filepath",
            "description": "Path to the certificate used by certificate mode."
          },
          {
            "name": "MS365_CERT_PASSWORD",
            "format": "string",
            "isSecret": true,
            "description": "Password for the certificate at MS365_CERT_PATH, if it has one."
          },
          {
            "name": "MS365_ACCESS_TOKEN",
            "format": "string",
            "isSecret": true,
            "description": "A Graph access token supplied directly (client-token mode)."
          },
          {
            "name": "MS365_AUTH_MODE",
            "format": "string",
            "description": "Auth mode: interactive (default), certificate, client-secret, client-token or oauth-proxy."
          },
          {
            "name": "MS365_OAUTH_BASE_URL",
            "format": "string",
            "description": "Base URL of the OAuth proxy (oauth-proxy mode)."
          },
          {
            "name": "MS365_READ_ONLY",
            "format": "string",
            "description": "Set to 'true' to expose read-only tools and refuse every write."
          },
          {
            "name": "MS365_ENABLED_TOOLS",
            "format": "string",
            "description": "Case-insensitive regular expression matched against tool names; only matching tools are registered. Not a comma-separated list."
          },
          {
            "name": "MS365_PRESETS",
            "format": "string",
            "description": "Comma-separated tool presets to enable instead of naming tools individually."
          },
          {
            "name": "MS365_ORG_MODE",
            "format": "string",
            "description": "Set to 'true' for organisation-wide (application-permission) behaviour."
          },
          {
            "name": "TRANSPORT_TYPE",
            "format": "string",
            "description": "Transport: 'stdio' (the default, and what this npm package is listed as) or 'httpStream' for remote/Docker deployments."
          }
        ]
      }
    ],
    "repository": {
      "url": "https://github.com/sapientsai/microsoft365-mcp-server",
      "source": "github"
    },
    "description": "Microsoft 365 via Graph — mail, calendar, contacts, files, Teams, Planner, OneNote, To Do."
  }
}

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