# read_messages

Read one bounded Discord message page from a permitted guild channel, newest to oldest according to Discord. Preserves structured fields and adds untrusted readable message, Text Display, and embed text with explicit notes for unsupported components. The complete result must fit the configured response budget; media is not downloaded.

Agent View of the PolicyLayer registry record for `read_messages`. HTML page: https://policylayer.com/tools/app-lasers-guildcontrol-discord/read-messages

## Facts

- Tool: `read_messages`
- Server: GuildControl MCP (`guildctl`) — https://policylayer.com/tools/app-lasers-guildcontrol-discord.md
- Install: `npx -y guildctl`
- Homepage: https://github.com/j-256/guildcontrol
- Risk category: Read (Low risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Allowed

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "read_messages",
    "arguments": {}
  }
}
```

## Why read_messages is rated Low

Tool retrieves messages from Discord with no modification, deletion, or execution capability.

From the tool's own definition: "Read one bounded Discord message page from permitted guild channel, newest to oldest"

## Use case

AI agents call read_messages to retrieve information from GuildControl MCP 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 GuildControl MCP:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "read_messages": {}
  }
}
```

## Other tools on GuildControl MCP (257)

- `delete_messages` — Destructive — https://policylayer.com/tools/app-lasers-guildcontrol-discord/delete-messages.md
- `execute_bulk_guild_ban` — Destructive — https://policylayer.com/tools/app-lasers-guildcontrol-discord/execute-bulk-guild-ban.md
- `execute_channel_deletion` — Destructive — https://policylayer.com/tools/app-lasers-guildcontrol-discord/execute-channel-deletion.md
- `execute_direct_message_change` — Destructive — https://policylayer.com/tools/app-lasers-guildcontrol-discord/execute-direct-message-change.md
- `execute_guild_application_command_change` — Destructive — https://policylayer.com/tools/app-lasers-guildcontrol-discord/execute-guild-application-command-change.md
- `execute_guild_departure` — Destructive — https://policylayer.com/tools/app-lasers-guildcontrol-discord/execute-guild-departure.md
- `execute_guild_integration_deletion` — Destructive — https://policylayer.com/tools/app-lasers-guildcontrol-discord/execute-guild-integration-deletion.md
- `execute_guild_prune` — Destructive — https://policylayer.com/tools/app-lasers-guildcontrol-discord/execute-guild-prune.md
- `execute_invite_deletion` — Destructive — https://policylayer.com/tools/app-lasers-guildcontrol-discord/execute-invite-deletion.md
- `execute_poll_end` — Destructive — https://policylayer.com/tools/app-lasers-guildcontrol-discord/execute-poll-end.md
- `execute_role_deletion` — Destructive — https://policylayer.com/tools/app-lasers-guildcontrol-discord/execute-role-deletion.md
- `execute_webhook_deletion` — Destructive — https://policylayer.com/tools/app-lasers-guildcontrol-discord/execute-webhook-deletion.md
- `execute_webhook_message_deletion` — Destructive — https://policylayer.com/tools/app-lasers-guildcontrol-discord/execute-webhook-message-deletion.md
- `plan_channel_deletion` — Destructive — https://policylayer.com/tools/app-lasers-guildcontrol-discord/plan-channel-deletion.md
- `plan_direct_message_change` — Destructive — https://policylayer.com/tools/app-lasers-guildcontrol-discord/plan-direct-message-change.md
- `plan_guild_departure` — Destructive — https://policylayer.com/tools/app-lasers-guildcontrol-discord/plan-guild-departure.md
- `plan_guild_integration_deletion` — Destructive — https://policylayer.com/tools/app-lasers-guildcontrol-discord/plan-guild-integration-deletion.md
- `plan_invite_deletion` — Destructive — https://policylayer.com/tools/app-lasers-guildcontrol-discord/plan-invite-deletion.md
- `plan_message_deletion` — Destructive — https://policylayer.com/tools/app-lasers-guildcontrol-discord/plan-message-deletion.md
- `plan_poll_end` — Destructive — https://policylayer.com/tools/app-lasers-guildcontrol-discord/plan-poll-end.md
- `plan_role_deletion` — Destructive — https://policylayer.com/tools/app-lasers-guildcontrol-discord/plan-role-deletion.md
- `plan_webhook_deletion` — Destructive — https://policylayer.com/tools/app-lasers-guildcontrol-discord/plan-webhook-deletion.md
- `plan_webhook_message_deletion` — Destructive — https://policylayer.com/tools/app-lasers-guildcontrol-discord/plan-webhook-message-deletion.md
- `compile_component_template` — Execute — https://policylayer.com/tools/app-lasers-guildcontrol-discord/compile-component-template.md
- `execute_announcement_crosspost` — Execute — https://policylayer.com/tools/app-lasers-guildcontrol-discord/execute-announcement-crosspost.md
- `execute_application_emoji_change` — Execute — https://policylayer.com/tools/app-lasers-guildcontrol-discord/execute-application-emoji-change.md
- `execute_application_entitlement_consumption` — Execute — https://policylayer.com/tools/app-lasers-guildcontrol-discord/execute-application-entitlement-consumption.md
- `execute_application_intent_enablement` — Execute — https://policylayer.com/tools/app-lasers-guildcontrol-discord/execute-application-intent-enablement.md
- `execute_application_test_entitlement_change` — Execute — https://policylayer.com/tools/app-lasers-guildcontrol-discord/execute-application-test-entitlement-change.md
- `execute_automod_change` — Execute — https://policylayer.com/tools/app-lasers-guildcontrol-discord/execute-automod-change.md
- …and 227 more: https://policylayer.com/tools/app-lasers-guildcontrol-discord.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=app-lasers-guildcontrol-discord · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/app-lasers-guildcontrol-discord