Posts
Short posts that fit Bluesky's limit on the first try.
Works in Claude, ChatGPT and 11 more AI apps
Post to Bluesky with Claude
To post to Bluesky with Claude, connect your Bluesky account to RobinReach, then add RobinReach to Claude as a connector at https://robinreach.com/mcp/v1/messages. Claude can then write posts that fit Bluesky's short limit, add replies to make a thread, attach photos or a video and schedule everything from the chat. It can also read how your posts perform. The same works in ChatGPT and other AI apps, on the Bloom, Thrive and Scale plans.
- 300 characters
- Analytics in the chat
- From Bloom $24 a month
Share today's changelog on Bluesky at 3pm. Keep it short and put the details in two replies.
- Read how you usually write on Bluesky
style_learn - Checked the post and both replies against Bluesky's limit
posts_validate - Scheduled for 15:00 with two replies
posts_create
It goes out at 3pm with the headline in the first post and the details in two replies. Want the same update on Mastodon and Threads?
Your brand on Bluesky
New today: schedule a whole week from one message. Details below.
What you can post
What Claude can do on Bluesky
Threads
Replies that go up right after your post.
Photos and video
Several photos or one video per post.
Link cards
A link with a preview card, so the text stays short.
Checked before saving
Bluesky rules, built in
RobinReach checks every post against these before it is saved, so your AI fixes a problem in the chat instead of finding out when the post fails.
- Characters
- 300
- Photos
- Up to 4 per post, 2 MB each
- Video
- MP4, 1 second to 4 minutes, up to 95 MB
- Comments under the post
- Up to 5, written with the post and published after it
- Posts a day
- Up to 30 per account
- Delete after publishing
- Yes, from the chat
- Analytics in the chat
- Reach and engagement per post, top posts and weekly comparisons
- Comments inbox
- Not available
Read from RobinReach's own checks each time this page loads.
Try saying
Things to ask about Bluesky
Post the same announcement to Bluesky, Mastodon and Threads at noon, each in its own words.
Write a three post thread about our open roadmap for Thursday.
Which Bluesky posts got the most engagement this month?
Schedule a weekly Friday post that links to our newsletter.
Two minute setup
Connect Bluesky to Claude
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Connect Bluesky to RobinReach
Create a free RobinReach account and connect Bluesky from the dashboard.
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Add RobinReach to your AI app
In Claude or ChatGPT, add a connector with the URL https://robinreach.com/mcp/v1/messages and sign in to RobinReach. Coding tools and agents use the same URL with an API key.
https://robinreach.com/mcp/v1/messages
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Ask in plain words
Post the same announcement to Bluesky, Mastodon and Threads at noon, each in its own words.
Step by step guides for your AI app
Questions
Posting to Bluesky with Claude: questions people ask
How do I post to Bluesky with Claude?
Connect Bluesky to RobinReach, add RobinReach to Claude as a custom connector with the URL https://robinreach.com/mcp/v1/messages and sign in. Then ask Claude to post or schedule in plain words.
Can Claude post threads on Bluesky?
Yes. Claude writes the post and the replies, checks each against Bluesky's limit and schedules them together.
Can Claude post the same thing to X, Threads and Mastodon?
Yes. Ask once and Claude writes a version for each network that fits its own limit.
Can ChatGPT post to Bluesky too?
Yes. Add RobinReach to ChatGPT as a custom MCP server and it gets the same tools.
Can Claude repeat a post every week?
Yes. RobinReach posts can repeat every day, at weekends, weekly or monthly until an end date, and Claude can set that up when it schedules.
Keep going
More ways to post with AI
Sources and how this page is checked
Last checked on . Setup steps follow each app's own documentation and the Integrations page in RobinReach. RobinReach's numbers on this page, like tools, networks, limits and plans, are read from the product itself every time the page loads, so they are always current.
Let Claude run your Bluesky
Start on the free plan, connect Bluesky, then add RobinReach to Claude, ChatGPT or any AI app.
Free plan, no card. AI integrations from Bloom, $24 a month, with a 7 day trial.