Connect claude.ai (web)
Use Scrapewise from claude.ai in your browser. ~2 minutes via Custom Connectors.
Prerequisites
- A claude.ai account
- A Scrapewise API key with scope
LLM_READorLLM_FULL. See Scopes.
Walkthrough
1 — Open Custom Connectors
- Sign in to claude.ai
- Click your initials (top-right) → Settings
- In the left sidebar, find Connectors
- Click Add Custom Connector (top-right of the Connectors panel)
2 — Fill in the connector
A dialog opens. Fill it in:
| Field | Value |
|---|---|
| Name | Scrapewise (or anything you’ll recognize) |
| MCP Server URL | https://mcp.scrapewise.ai |
| Authentication | Select Custom header (NOT OAuth) |
| Header name | Authorization |
| Header value | Bearer sw_live_abc1234.your-secret-here (replace with your key, include Bearer with space) |
Click Save / Add.
3 — Verify
claude.ai pings the gateway, discovers tools, and lists them on the connector page. You should see something like:
Connected · 28 tools available
If you see “Failed to connect” or “0 tools,” see Troubleshooting below.
4 — Use it in a conversation
Start a new conversation. Above the input box you’ll see a tools icon (a wrench or plug — the exact symbol depends on claude.ai version). Click it and verify Scrapewise tools are toggled on for this conversation.
Try:
Preview a scrape of https://example.com — look for title and main heading
Claude calls scrapewise_preview_scraper_from_url and shows the result.
Update the key
To rotate the key:
- Settings → Connectors
- Click your Scrapewise connector
- Edit the Header value with the new bearer string
- Save
Disable temporarily
In a conversation, click the tools icon → toggle Scrapewise off for this conversation. The connector remains registered but isn’t exposed to that chat.
Remove
Settings → Connectors → click your Scrapewise connector → Delete connector at the bottom of the page.
Troubleshooting
”Failed to connect” when saving
401: bad bearer. Re-check the header value — must be exactlyBearer(with space) followed by the fullsw_live_<prefix>.<secret>.403: key scope isUSER. The MCP gateway needsLLM_READor higher. Mint a new key.Network error: claude.ai couldn’t reachmcp.scrapewise.ai. Rare — check from a different network if persistent.
Connector saves but shows “0 tools”
Click into the connector → look at the Last error field. Most often this is 403 scope_rejected (which means auth worked but the key’s scope is wrong).
Tool calls inside a conversation return errors
- Open the tool-call expansion in the chat — the error envelope from Scrapewise has a
correlationIdyou can paste into a support ticket. - For
429, wait theRetry-Afterseconds and ask again. - For
429 cost_exceeded, you’ve hit the hourly cost budget — wait until the next hour.
What’s next
- Tool catalog → Tools
- Prompt-injection contract → Prompt injection
- Connect Claude Desktop → Claude Desktop
- Connect Claude Code (CLI) → Claude Code