HOW IT WORKSCONNECT YOUR TOOLS
Connect

Connect your tools to Hark

Pick the AI tool you use below and follow the steps — usually a button or one line. Once connected, every tool reads the same current state and leaves a note when it's done, so the next one picks up where the last left off.

MCP endpoint
https://harkstudio.io/mcp

Sign in to Hark to connect a client. Personal tokens and per-account details live inside the app.

Meta Muse (Custom Connector)

Add Hark as a Custom Connector using your access key and Hark's API description.

Muse connects to Hark over its web API. You give Muse a Hark access key and the address of Hark's API description; Muse works out the rest.

  1. In Hark, open Connections and create an access key. Start with a read-only key; switch to read + write once you trust it.
  2. In Muse, add a Custom Connector. Store the Hark access key in Muse's Secure Credentials Store, sent as the header Authorization: Bearer <your key>.
  3. Point the connector at Hark's API description (the address below).
  4. Test it: ask Muse "read my project brief for V-032" (use one of your project codes).
API description
https://harkstudio.io/api/v1/openapi.json

Anything Muse writes — decisions, notes, Current state changes — arrives in Needs you as a suggestion, labelled "via Muse". Nothing is agreed until you accept it.

Read the API reference

Verify it works

Ask your client: "List my Hark workspaces." Expected: your workspace names.

Then: "Create a project called Connection test in <workspace>." Expected: a new V-### appears in the app and the activity log shows the source ("via Claude Code", "via Codex", etc.). Delete the test venture afterward.

Troubleshooting

  • "Unauthorized request origin" — the client origin isn't allowlisted; retry from the latest app version, or email hello@harkstudio.io.
  • Consent screen loops / stale token — remove the connector in the client, sign out of Hark, sign back in, re-add the connector.
  • Tools list is empty — the connector isn't enabled for this chat (Claude and ChatGPT require enabling it per conversation).
  • Plan cap error — you've hit the monthly agent-call cap for this workspace; see billing.
  • Old endpoint — anything pointing at a lovable.app URL must be updated to harkstudio.io/mcp.