# teams_read_channel_messages Reads messages from a Microsoft Teams channel. Agent View of the PolicyLayer registry record for `teams_read_channel_messages`. HTML page: https://policylayer.com/tools/com-local-mcp-local-mcp/teams-read-channel-messages ## Facts - Tool: `teams_read_channel_messages` - Server: Local (`local-mcp`) — https://policylayer.com/tools/com-local-mcp-local-mcp.md - Install: `npx -y local-mcp` - Homepage: https://github.com/lanchuske/local-mcp - Risk category: Read (Low risk) - Registry record: grade F, identity unverified - Server auth posture: open - Server CORS policy: * - Server rate-limited: no - Parameters: 3 (2 required) - Recommended policy verdict: Allowed ## Parameters | Parameter | Type | Required | Description | | --- | --- | --- | --- | | `limit` | integer | no | Max messages (default 50) | | `team_id` | string | yes | Team ID | | `channel_id` | string | yes | Channel ID from list_teams_channels | Parameters from the server's own tool schema. ## Example call (MCP tools/call, JSON-RPC 2.0) ```json { "jsonrpc": "2.0", "id": 1, "method": "tools/call", "params": { "name": "teams_read_channel_messages", "arguments": { "team_id": "", "channel_id": "" } } } ``` ## Why teams_read_channel_messages is rated Low This tool retrieves data (Teams channel messages) without creating, modifying, deleting, or executing any operations. It has no side effects on the data or system. While Teams messages may contain sensitive information, the risk is inherent to data access rather than the tool's capability — the tool itself performs only a read operation, making it low severity. From the tool's own definition: "Tool name contains 'read' and description states 'Reads messages from a Microsoft Teams channel' — a pure retrieval operation with no modification or execution." ## Use case AI agents call teams_read_channel_messages to retrieve information from Local without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere. ## Recommended policy (PolicyLayer) Verdict: **Allowed**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Local: ```json { "version": "1", "default": "deny", "tools": { "teams_read_channel_messages": {} } } ``` ## Other tools on Local (233) - `delete_calendar_event` — Destructive — https://policylayer.com/tools/com-local-mcp-local-mcp/delete-calendar-event.md - `delete_reminder` — Destructive — https://policylayer.com/tools/com-local-mcp-local-mcp/delete-reminder.md - `delete_reminder_list` — Destructive — https://policylayer.com/tools/com-local-mcp-local-mcp/delete-reminder-list.md - `m365_delete_event` — Destructive — https://policylayer.com/tools/com-local-mcp-local-mcp/m365-delete-event.md - `onedrive_delete_file` — Destructive — https://policylayer.com/tools/com-local-mcp-local-mcp/onedrive-delete-file.md - `recipe_delete` — Destructive — https://policylayer.com/tools/com-local-mcp-local-mcp/recipe-delete.md - `chrome_click` — Execute — https://policylayer.com/tools/com-local-mcp-local-mcp/chrome-click.md - `chrome_evaluate_js` — Execute — https://policylayer.com/tools/com-local-mcp-local-mcp/chrome-evaluate-js.md - `chrome_fill_form` — Execute — https://policylayer.com/tools/com-local-mcp-local-mcp/chrome-fill-form.md - `chrome_go_back` — Execute — https://policylayer.com/tools/com-local-mcp-local-mcp/chrome-go-back.md - `chrome_navigate` — Execute — https://policylayer.com/tools/com-local-mcp-local-mcp/chrome-navigate.md - `chrome_type` — Execute — https://policylayer.com/tools/com-local-mcp-local-mcp/chrome-type.md - `chrome_wait_for` — Execute — https://policylayer.com/tools/com-local-mcp-local-mcp/chrome-wait-for.md - `nordvpn_diagnose` — Execute — https://policylayer.com/tools/com-local-mcp-local-mcp/nordvpn-diagnose.md - `notion_open_page` — Execute — https://policylayer.com/tools/com-local-mcp-local-mcp/notion-open-page.md - `recipe_run` — Execute — https://policylayer.com/tools/com-local-mcp-local-mcp/recipe-run.md - `run_diagnostics` — Execute — https://policylayer.com/tools/com-local-mcp-local-mcp/run-diagnostics.md - `run_terminal_command` — Execute — https://policylayer.com/tools/com-local-mcp-local-mcp/run-terminal-command.md - `safari_click` — Execute — https://policylayer.com/tools/com-local-mcp-local-mcp/safari-click.md - `safari_evaluate_js` — Execute — https://policylayer.com/tools/com-local-mcp-local-mcp/safari-evaluate-js.md - `safari_fill_form` — Execute — https://policylayer.com/tools/com-local-mcp-local-mcp/safari-fill-form.md - `safari_go_back` — Execute — https://policylayer.com/tools/com-local-mcp-local-mcp/safari-go-back.md - `safari_navigate` — Execute — https://policylayer.com/tools/com-local-mcp-local-mcp/safari-navigate.md - `safari_query_selector_all` — Execute — https://policylayer.com/tools/com-local-mcp-local-mcp/safari-query-selector-all.md - `safari_type` — Execute — https://policylayer.com/tools/com-local-mcp-local-mcp/safari-type.md - `safari_wait_for` — Execute — https://policylayer.com/tools/com-local-mcp-local-mcp/safari-wait-for.md - `screen_record_start` — Execute — https://policylayer.com/tools/com-local-mcp-local-mcp/screen-record-start.md - `screen_record_stop` — Execute — https://policylayer.com/tools/com-local-mcp-local-mcp/screen-record-stop.md - `setup_install` — Execute — https://policylayer.com/tools/com-local-mcp-local-mcp/setup-install.md - `ui_click` — Execute — https://policylayer.com/tools/com-local-mcp-local-mcp/ui-click.md - …and 203 more: https://policylayer.com/tools/com-local-mcp-local-mcp.md ## For agents This record is a snapshot. Live verdicts and the full registry: - Check every server in your MCP config at once: `npx -y policylayer stack` - Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md) - Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events` --- Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=com-local-mcp-local-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/com-local-mcp-local-mcp