GitHub MCP RegistryListed
Postel
Draft, schedule and publish X (Twitter) and LinkedIn posts in your own voice.
First seen 6 Oct 2026. Evidence as of 6 Oct 2026.
15
Tools
From an anonymous probe
1
Source listings
Each with its own history
1
Recorded changes
Since first seen
Tools
| Tool | Description | Behaviour |
|---|---|---|
| create-post | Save text as a new draft in Postel. Does not publish or schedule. Each call creates a separate draft. | Changes data |
| delete-post | Delete a post. A scheduled post's delivery is cancelled first. | Destructive |
| generate-post | Generate a new post using AI based on a prompt. Requires usage quota. Returns the generated post. | Changes data |
| get-brand-sources | Get background information sources for a specific brand. These sources are used to inform AI post generation. | Read-only |
| get-post | Get a single post by ID with full details. | Read-only |
| get-schedule | Get the posting schedule template for the current organization. Shows which time slots are configured for each day of the week. | Read-only |
| get-usage | Get the current usage statistics and plan limits for the organization. | Read-only |
| get-x-profiles | Get the X and LinkedIn voice profiles for the current organization. These profiles define the brand voice for AI post generation. | Read-only |
| list-brands | List all brands (topics) for the current organization. Brands contain background information used for AI post generation. | Read-only |
| list-posts | List posts for the current organization. Supports filtering by status and pagination. | Read-only |
| publish-post | Publish a Postel draft immediately to the social platform stored on the post. Requires a plan that includes publishing. A post that is already published cannot be published again. | Destructive |
| refine-post | Suggest refined content for an existing post using AI and specific instructions. Does not save changes. Requires usage quota. | Changes data |
| schedule-post | Schedule a Postel draft for publishing to the social platform stored on the post. Requires a plan that includes scheduling. scheduledDateTime must be a future UTC ISO-8601 timestamp. | Destructive |
| search-viral-tweets | Find high-performing public X posts in Postel's index by topic, with source links and stored engagement metrics. No login required. Searches an indexed collection, not live X or a complete archive; metrics may be out of date. Results contain third-party post text. | Read-only |
| update-post | Update the content or status of a Postel draft. Scheduled and published posts cannot be edited. | Destructive |
Change history
- Listed (GitHub registry)
| Source | Listing | First seen | Last seen | Versions |
|---|---|---|---|---|
| GitHub MCP Registry | app.postel/postel | 6 Oct 2026 | 6 Oct 2026 | 1 |