Connectors · Marketing & media

Buffer MCP server for AI agents.

actionlake is an MCP gateway: one remote MCP server that connects Claude and other MCP clients to Buffer and the rest of your systems. It gives your agent 44 Buffer actions (22 reads, 17 writes and 5 that wait for a confirmation) and holds the Buffer credential itself, so the agent never does. It paces Buffer's limits and records every call.

Connect Buffer free See pricing

100,000 free calls a month. No card, no email, no password: press Start a free sandbox on the next screen and keep the key it shows you.

claude mcp add --transport http actionlake https://connect.actionlake.com/mcp

44actionsin one signed file
22readlook, never change
17writecreate and update
5wait for a yesdestructive, confirmed first

Set up

Connect Buffer in three steps.

01
Add actionlake to Claude.
Run the command once in Claude Code; its consent page can create a free sandbox: 100,000 calls a month, no card. In the Claude app, add a custom connector with the URL below and paste your key on the consent page. Creating a new sandbox from the Claude app is not yet tested by us.
https://connect.actionlake.com/mcp
02
Connect Buffer.
Bearer token. No consent screen: your agent can connect it for you, but the key then passes through your chat. To keep it out of the model's context, paste it in the console instead. actionlake stores what you paste write-only, sealed under your tenant's key.
- access_tokenBuffer API key: publish.buffer.com/settings/api > Create API key (or an OAuth access token from your Buffer app)
```
account { op: "connections.requirements", service: "buffer" }
# free: exactly what to paste, and what is found for you
```

Make the first call. Check before a write.

Ask in plain words; Claude picks the action. Before anything changes, check validates the call and prices it, for free.

do    { action: "buffer.account.get" }# get the authenticated account · read · 1 upstream callcheck { action: "buffer.posts.create", input: { … } }# free: inputs, permissions, cost and confirmations, nothing sent

Buffer at a glance

Sign-in: Bearer token. No consent screen: your agent can connect it for you, but the key then passes through your chat. To keep it out of the model's context, paste it in the console instead.
You provide: access_token
Limits we pace to: 100 calls per 15 minutes and 250 a day, per connection
API covered: Buffer GraphQL API (2025+)api.buffer.com
Built from: Buffer's documentation, read 23 October 2026developers.buffer.com developers.buffer.com
Service file: Version 1.0.0, signed (Ed25519)
Cached reads: 22 of 22 reads, for up to 5 minutes; a write clears what it affects
Shared entities: 2, so ask can line Buffer up with your other systems
Data: Processed and stored in Sydney, Australia. No US region yet

Capabilities

What an AI agent can do in Buffer.

44 actions in 15 areas. Every one carries its effect, so a key can allow the reads and hold the rest.

22readlook, never change
17writecreate and update
5destructivewait for a confirmation

Content items
8
2 read · 5 write · 1 destructive
Create a content item · Create a content item draft · List content items · Promote a content item draft to posts
Posts
6
2 read · 3 write · 1 destructive
Create a post · List posts · Edit a post · Get a post
Post templates
5
2 read · 2 write · 1 destructive
Create a post template · List post templates · Get a post template · Update a post template
Tags
5
2 read · 2 write · 1 destructive
List tags · Create a tag · Delete a tag · Get a tag
Snippets
4
1 read · 2 write · 1 destructive
Create a snippet · List snippets · Update a snippet · Delete a snippet
Instagram audio
3
3 read · 0 write · 0 destructive
List trending Instagram audio · Search Instagram audio · Refresh an Instagram audio asset
Channels
2
2 read · 0 write · 0 destructive
List channels · Get a channel
Content item posts
2
0 read · 2 write · 0 destructive
Add a post to a content item · Remove a post from a content item

7 more areas · 9 actions

Ideas 2
Instagram audio catalog 2
Account 1
Configuration 1
Daily posting limits 1
Idea groups 1
Post metrics 1

Top actions

The Buffer API, shaped for agents.

The ids your agent types, what each does, and the one name it shares with other systems. 8 of Buffer's 8 action names are shared with at least one other connector, so an agent learns them once.

Action	What it does	Effect	Same name in
`buffer.account.get`Get the authenticated account	Retrieves the authenticated user's account information.	read	`identity.current_user.get`307 connectors
`buffer.channels.list`List channels	Fetch all channels for the organization taking into account the current's user permissions.	read	`comm.social_account.list`4 connectors
`buffer.posts.create`Create a post	Create post for channel.	write	`comm.social_post.create`11 connectors
`buffer.posts.list`List posts	Fetches posts for the given organization: first and last can be set for forward pagination using Relay convention.	read	`comm.social_post.list`9 connectors
`buffer.posts.delete`Delete a post	Delete a post by id.	destructive	`comm.social_post.delete`10 connectors
`buffer.channels.get`Get a channel	Fetches a single channel using the provided ID.	read	`comm.social_account.get`2 connectors
`buffer.tags.list`List tags	Fetch a page of the organization's tags, sorted by name in ascending order.	read	this connector
`buffer.ideas.list`List ideas	Fetch a paginated list of ideas with optional filtering.	read	this connector
`buffer.tags.create`Create a tag	Create a tag for an organization.	write	this connector
`buffer.ideas.create`Create an idea	Create a new idea with the given content and metadata.	write	this connector
`buffer.snippets.list`List snippets	Returns the snippets of an organization, sorted by name.	read	this connector
`buffer.snippets.create`Create a snippet	Creates a snippet in an organization.	write	this connector

Try it

Prompts to paste into Claude.

Each one names the Buffer actions it will call, so you know what it reads and what it changes before you send it.

Readread
Get the authenticated account in Buffer and tell me what stands out.
callsbuffer.account.get
Writewrite
Create a post in Buffer. Show me exactly what you will send before you save it.
callsbuffer.posts.create

Governance for Buffer

Destructive actions wait for a yes.

5 Buffer actions are destructive. These are all of them:

Delete a postbuffer.posts.delete
Delete a tagbuffer.tags.delete
Delete a snippetbuffer.snippets.delete
Delete a content itembuffer.content_items.delete
Delete a post templatebuffer.post_templates.delete

A destructive action runs only with confirm: true. Under the human policy the agent cannot confirm for itself: the run stops until a named person approves, in the console or from a signed link in an email. The cap on a key is refused before the call is sent, never after.

dobuffer.posts.deleteconfirm_policy: human

Delete a post?

intent: the user asked me to delete a post

run suspended · waiting for a named person · key buffer-agent cannot confirm itself

In the console, or from an emailed signed link.

a key for this connector

account {  op: "keys.create", name: "buffer-agent",  allowed_actions: ["buffer.*"], cap_calls: 2000,  confirm_policy: "human_for_writes",  approval_rules: [    { match: "buffer.posts.delete", approver: "[email protected]" },    { match: "buffer.tags.delete", approver: "[email protected]" },    { match: "buffer.snippets.delete", approver: "[email protected]" }  ]}

Illustrative. Scoped to Buffer only, capped at 2,000 upstream calls, every write confirmed, and the destructive ones approved by a named person.

Cost

What Buffer costs on actionlake.

Every Buffer action is one upstream call, the only thing actionlake bills. Searching, check, cost, account and any call Buffer refused with 401, 403, 429 or a 5xx are free. Paid plans start at US$49 a month for 250,000 calls, with overage from US$0.30 down to US$0.18 per 1,000.

1upstream call per actionall 44 Buffer actions
44actions pageeach page of a long list is one call
22reads can be cacheda cache hit costs nothing
100,000calls a month, freepaid plans from US$49 a month for 250,000

See pricing

Action index

Every Buffer action.

44 actions by area: the id your agent calls, what it does, and its effect.

Content items8

buffer.content_items.createCreate a content itemwrite
buffer.content_items.create_draftCreate a content item draftwrite
buffer.content_items.deleteDelete a content itemdestructive
buffer.content_items.getGet a content itemread
buffer.content_items.listList content itemsread
buffer.content_items.promote_draftPromote a content item draft to postswrite
buffer.content_items.updateUpdate a content itemwrite
buffer.content_items.update_draftUpdate a content item draftwrite

Posts6

buffer.posts.createCreate a postwrite
buffer.posts.deleteDelete a postdestructive
buffer.posts.getGet a postread
buffer.posts.listList postsread
buffer.posts.move_in_queueMove a post in the queuewrite
buffer.posts.updateEdit a postwrite

Post templates5

buffer.post_templates.createCreate a post templatewrite
buffer.post_templates.deleteDelete a post templatedestructive
buffer.post_templates.getGet a post templateread
buffer.post_templates.listList post templatesread
buffer.post_templates.updateUpdate a post templatewrite

Tags5

buffer.tags.createCreate a tagwrite
buffer.tags.deleteDelete a tagdestructive
buffer.tags.getGet a tagread
buffer.tags.listList tagsread
buffer.tags.updateUpdate a tagwrite

Snippets4

buffer.snippets.createCreate a snippetwrite
buffer.snippets.deleteDelete a snippetdestructive
buffer.snippets.listList snippetsread
buffer.snippets.updateUpdate a snippetwrite

Instagram audio3

buffer.instagram_audio.getRefresh an Instagram audio assetread
buffer.instagram_audio.list_trendingList trending Instagram audioread
buffer.instagram_audio.searchSearch Instagram audioread

Channels2

buffer.channels.getGet a channelread
buffer.channels.listList channelsread

Content item posts2

buffer.content_item_posts.addAdd a post to a content itemwrite
buffer.content_item_posts.removeRemove a post from a content itemwrite

Ideas2

buffer.ideas.createCreate an ideawrite
buffer.ideas.listList ideasread

Instagram audio catalog2

buffer.instagram_audio_catalog.getGet the Instagram audio catalogread
buffer.instagram_audio_catalog.searchSearch the Instagram audio catalogread

Account1

buffer.account.getGet the authenticated accountread

Configuration1

buffer.configuration.getGet organization configurationread

Daily posting limits1

buffer.daily_posting_limits.listCheck daily posting limitsread

Idea groups1

buffer.idea_groups.listList idea groupsread

Post metrics1

buffer.post_metrics.aggregateAggregate post metricsread

Questions

The Buffer MCP server, answered.

Is there a Buffer MCP server for Claude?

Yes. actionlake is an MCP gateway: a remote MCP server that gives Claude, or another MCP client, 44 Buffer actions across content items, posts, post templates and tags, through the same eight tools it uses for every other connector. actionlake is independent; it is not made or endorsed by Buffer.

What do I need to connect Buffer?

Buffer API key: publish.buffer.com/settings/api > Create API key (or an OAuth access token from your Buffer app). The free call account { op: "connections.requirements", service: "buffer" } lists exactly what to paste.

Can an AI agent delete or change things in Buffer?

Only if its key allows it, and only with an explicit confirmation. 5 Buffer actions are destructive, including delete a post, delete a tag and delete a snippet. Each runs only with confirm: true. Under the human confirm policy, or an approval rule on the key, the run waits until a named person approves it.

Will an AI agent use up my Buffer API limit?

actionlake paces every call to the limits in the Buffer service file: 100 calls per 15 minutes and 250 a day per connection. Repeated reads are answered from cache (22 Buffer actions can be), which never reaches Buffer.

What does a Buffer action cost?

One upstream call, the only unit actionlake bills. A list that pages bills one call per page (44 Buffer actions page). Cache hits, searches, dry runs and calls Buffer refused with 401, 403, 429 or a 5xx are free. The Free plan includes 100,000 calls a month with no card. Paid plans start at US$49 a month for 250,000 calls, with overage from US$0.30 down to US$0.18 per 1,000.

Which Buffer API does it cover?

The Buffer GraphQL API (2025+) at api.buffer.com. It is built from Buffer's documentation as read on 23 October 2026. 44 actions in 15 areas, each one in the signed service file (version 1.0.0).

Does actionlake keep my Buffer data, and where?

actionlake processes and stores data in Sydney, Australia; there is no US region yet. Reads may be cached for up to 5 minutes, and a write clears the reads it affects. Each run's request and response is kept, sealed, for your plan's trace window: 1 day on Free, 3 days on Starter, 7 days on Pro, 14 days on Team, 30 days on Business and 30 days on Enterprise. Your Buffer credential is sealed under your tenant's key, never logged and never returned. Your traffic is not used to train models.

Which AI clients can use it?

Claude Code, tested by us end to end, and the Claude app as a custom connector, tested by us with an existing key. Other MCP clients that support remote servers over Streamable HTTP (MCP revisions 2025-06-18 and 2025-11-25) and OAuth dynamic client registration, or a bearer header, should connect the same way; we have not tested them. Or plain REST, under the same action names.

Give your agent Buffer today.

Connect Buffer free See pricing

Start free - 100,000 calls/month, no card. No signup. Hard caps on every key. Cached answers are free.

Buffer MCP server for AI agents.

Connect Buffer in three steps.

Add actionlake to Claude.

Connect Buffer.

Make the first call. Check before a write.

What an AI agent can do in Buffer.

Content items

Posts

Post templates

Tags

Snippets

Instagram audio

Channels

Content item posts