instagram_publish_media
Publish a photo (IMAGE) or video (REELS) from workspace files to a connected Instagram Business/Creator account. Returns media_id + permalink. Instagram allows ~25 publishes per day.
This record as markdown: /tools/io-github-saloprj-dialogbrain/instagram-publish-media.md
What instagram_publish_media does on Dialogbrain
AI agents use instagram_publish_media to create or update resources in Dialogbrain, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Dialogbrain environment.
| Parameter | Type | Required | Description |
|---|---|---|---|
caption | string | — | Post caption (max 2200 chars). OMIT to publish without caption. |
file_id | integer | Yes | Workspace files.id of the photo or video to publish. |
media_type | string | — | 'auto' (default, detects from mime), 'image', or 'reels'. |
location_id | string | — | Facebook Place ID for location tag. |
share_to_feed | boolean | — | For Reels: also show on profile grid (default true). |
Parameters from the server's own tool schema.
Why instagram_publish_media is rated Medium
Publishing media to Instagram is a Write operation: it creates new public content and modifies the Instagram account's state. While publishable content could be deleted, the act of publishing itself is a creation that generates immediate public exposure. Not Destructive since posts can be deleted later.
From the tool's definition Tool description states 'Publish a photo (IMAGE) or video (REELS) from workspace files to a connected Instagram Business/Creator account' with rate limit of ~25 publishes per day. This creates/publishes new content to Instagram, a reversible action.
Attacks that exploit this kind of access
The rule that runs instagram_publish_media safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Dialogbrain, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For instagram_publish_media, this is the rule to start with:
instagram_publish_media stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Dialogbrain, apply this rule, and every instagram_publish_media call is checked against it from then on.
Questions about instagram_publish_media
Publish a photo (IMAGE) or video (REELS) from workspace files to a connected Instagram Business/Creator account. Returns media_id + permalink. Instagram allows ~25 publishes per day. It is categorised as a Write tool in the Dialogbrain MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
instagram_publish_media accepts 5 parameters: caption, file_id, media_type, location_id, share_to_feed. Required: file_id. The full parameter table on this page comes from the server's own tool schema.
Register the Dialogbrain MCP server in PolicyLayer and add a rule for instagram_publish_media: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Dialogbrain. Nothing to install.
instagram_publish_media is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the instagram_publish_media rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for instagram_publish_media. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
instagram_publish_media is provided by the Dialogbrain MCP server (https://api.dialogbrain.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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