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Busabase for Claude.ai

Connect Claude.ai to Busabase

Web Claude (also Claude Desktop and Cowork): Customize → Connectors → Add custom connector, then paste the URL.

Busabase MCP server

https://busabase.com/api/mcp

Read the Claude.ai documentation
Busabase
MCP connector
A Base of posts in a Busabase workspace, with records, views, and agent prompts

Set it up

Hosted chat has no shell and no file system, so a connector is the way in.

Add the server

Point your chat client at the Busabase MCP endpoint.

Sign in

Complete OAuth in the browser — no client id or secret to create.

Pick the smallest permission

changeRequest lets the agent propose but never merge.

Verify

Ask the agent to call auth_verify before it does any work.

Step by step

This host has no shell, so a connector is the only way in.

At a glance

Vendor
Anthropic
How it connects
MCP + OAuth · MCP + API key
Transport
Streamable HTTP
Authentication
OAuth (dynamic registration)
  1. Open Customize → Connectors, click + Add, then Add custom connector. (On Team and Enterprise an Owner adds it first under Organization settings → Connectors → Add → Custom → Web; members then click Connect in Customize → Connectors.)
  2. Enter a name and the remote MCP server URL https://busabase.com/api/mcp, then Continue.
  3. Review the authentication settings Claude detected (Authentication: Sign in now; OAuth client: keep the recommended Use Claude's published identity, or Register automatically), then Continue and Add.
  4. Complete OAuth in the browser, then enable the connector for a conversation via + → Connectors.
  5. Ask Claude to call auth_verify.

Free users are limited to one custom connector. As an alternative to OAuth, the Request headers section accepts a fixed Authorization: Bearer <key> (create the key in Busabase Settings → API Keys).

Get started with custom connectors using remote MCP

Known gotchas

Claude connects to the MCP server from Anthropic's cloud, not from your device, so it cannot reach Busabase Desktop on localhost:15419 (this is also true of Claude Desktop and Cowork); it works with Busabase Cloud only. Free plan: one custom connector. On Team/Enterprise only Owners (or Enterprise roles with Manage access to Libraries) can add a custom connector.

How it compares

Connection capabilities side by side with other agents already in this directory.

CapabilityClaude.aiClaude CodeCursor
TypeWeb chatTerminal agentsAI editors
Recommended pathMCP connectorAgent SkillAgent Skill
How it connectsMCP + OAuth · MCP + API keyMCP + OAuth · Plugin / SkillMCP + OAuth · Plugin / Skill
TransportStreamable HTTPStreamable HTTPStreamable HTTP
AuthenticationOAuth (dynamic registration)OAuth (dynamic registration)OAuth (dynamic registration)
These stepsFrom official docsLast checked Oct 21, 2026

Written from this agent's own documentation. We have not re-run every step on a real machine, so check the linked docs if a command has changed.

Where these steps come fromOfficial site

Let your agent do the setup

One instruction, one authorization, and every change it makes afterwards carries a message and a diff you can check or revert.

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Busabase MCP server

https://busabase.com/api/mcp