openclaw - 💡(How to fix) Fix Discord plain-text agent messages can be delivered as interactive modal/form payloads [1 participants]

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openclaw/openclaw#57362Fetched 2026-04-08 01:50:37
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On Discord, what should be a plain text agent message can end up being delivered as an interactive modal/form payload instead of a normal text message.

I hit this while trying to send a normal supervisory message into a Discord thread. Instead of a plain chat message, Discord rendered an interactive form/modal with a field like x.

This appears to be happening in real usage, and not only once.

Root Cause

On Discord, what should be a plain text agent message can end up being delivered as an interactive modal/form payload instead of a normal text message.

I hit this while trying to send a normal supervisory message into a Discord thread. Instead of a plain chat message, Discord rendered an interactive form/modal with a field like x.

This appears to be happening in real usage, and not only once.

RAW_BUFFERClick to expand / collapse

Summary

On Discord, what should be a plain text agent message can end up being delivered as an interactive modal/form payload instead of a normal text message.

I hit this while trying to send a normal supervisory message into a Discord thread. Instead of a plain chat message, Discord rendered an interactive form/modal with a field like x.

This appears to be happening in real usage, and not only once.

Environment

  • OpenClaw: 2026.3.28
  • Host: macOS 26.3, arm64
  • Channel: Discord
  • Delivery target: Discord thread / guild channel
  • Gateway status at reproduction time: healthy

What I expected

A normal plain text Discord message in the thread.

What actually happened

Discord received an interactive payload and rendered a modal/form-like UI instead of a normal message.

Docs consulted

  • docs/channels/discord.md
  • docs/gateway/configuration.md
  • docs/automation/cron-jobs.md

Relevant Discord docs say components/modals should only be present when explicitly provided via a components payload.

Reproduction sketch

  1. Use the agent / message tool to send what is intended to be a plain text Discord message.
  2. Do not intentionally request buttons, modals, polls, or forms.
  3. Observe that Discord sometimes receives an interactive payload anyway.
  4. The rendered result is not plain text. It becomes a form/modal style interaction.

Why this looks like a product bug

In my case, the actual send path behaved as if components or components.modal were present even though the intended user-visible action was plain text only.

Two possibilities:

  1. The Discord adapter or tool bridge is incorrectly materializing empty/default component structures into a real Discord components payload.
  2. Validation / serialization treats an empty or placeholder components shape as a live modal instead of ignoring it.

Additional evidence

  • Discord docs indicate components are advanced and explicit.
  • Plain text sends should not silently become interactive payloads.
  • The same class of issue seems to affect multiple agents, which suggests adapter/tool serialization rather than a one-off prompt mistake.

Suggested fix

  • Ensure empty/default components, interactive, or modal structures are fully stripped before Discord delivery.
  • Treat plain text sends as text-only unless components were explicitly requested by the caller.
  • Add a regression test for Discord message.send plain text delivery to verify that no component payload is emitted.

Nice-to-have diagnostics

It would help if debug logs clearly showed whether a send was classified as:

  • plain text,
  • components v2,
  • modal/form,
  • poll.

That would make adapter mistakes much easier to diagnose.

extent analysis

Fix Plan

To resolve the issue of plain text messages being delivered as interactive modal/form payloads on Discord, follow these steps:

  • Ensure the components payload is fully stripped before delivery:
    • Check for empty or default components structures and remove them.
    • Verify that the components payload is only included when explicitly requested.
  • Update the Discord adapter or tool bridge to treat plain text sends as text-only:
    • Modify the serialization process to ignore empty or placeholder components shapes.
    • Add a check to ensure that components are only included when explicitly requested.
  • Add a regression test for Discord message.send plain text delivery:
    • Verify that no component payload is emitted for plain text sends.

Example code snippet (in Python):

def prepare_discord_payload(message):
    if message.get('components'):
        # Check if components are empty or default
        if not message['components'] or message['components'] == {}:
            # Remove empty components payload
            del message['components']
    # ... rest of the payload preparation ...

def send_discord_message(message):
    payload = prepare_discord_payload(message)
    # ... send the payload to Discord ...

Verification

To verify that the fix worked:

  • Test sending plain text messages to Discord using the updated adapter or tool bridge.
  • Verify that the messages are delivered as plain text and not as interactive modal/form payloads.
  • Check the debug logs to ensure that the send was classified as plain text.

Extra Tips

  • Ensure that the Discord adapter or tool bridge is properly handling empty or default components structures.
  • Consider adding additional logging or diagnostics to help diagnose adapter mistakes.
  • Review the Discord documentation to ensure that the implementation is consistent with their guidelines for sending plain text messages.

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openclaw - 💡(How to fix) Fix Discord plain-text agent messages can be delivered as interactive modal/form payloads [1 participants]