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esyURL

warnings

esyurl.fyi

Short links and trackable QR codes: editable after printing, device routing, scan stats.

https://esyurl.fyi/mcpWebsiteOAuthMCP 2025-11-25v0.2.0last checked 8 Oct 2026spoke MCP on 1 of 1 check (30 days)initialize in 561 ms

Will my client connect?

Decided from what the probe found at the endpoint, and from what each client's own documentation says it can complete. Every row carries the day that documentation was read.

✕Claude CodeNot supported

The authorization server advertises no S256 challenge method, which MCP's authorization spec requires — no compliant client has a method in common with it.

Claude Code docs · read on 2026-08-30

✕Claude (claude.ai & Desktop)Not supported

The authorization server advertises no S256 challenge method, which MCP's authorization spec requires — no compliant client has a method in common with it.

Claude (claude.ai & Desktop) docs · read on 2026-08-30

✕ChatGPTNot supported

The authorization server advertises no S256 challenge method, which MCP's authorization spec requires — no compliant client has a method in common with it.

ChatGPT docs · read on 2026-08-30

✕CursorNot supported

The authorization server advertises no S256 challenge method, which MCP's authorization spec requires — no compliant client has a method in common with it.

Cursor docs · read on 2026-08-30

✕VS Code (Copilot)Not supported

The authorization server advertises no S256 challenge method, which MCP's authorization spec requires — no compliant client has a method in common with it.

VS Code (Copilot) docs · read on 2026-08-30

How to authenticate

Checked against the endpoint by our probe on 8 Oct 2026. These are the capabilities the server advertises, not a prediction about any particular client.

Scheme	OAuth
Issuer	https://esyurl.fyi
Dynamic client registration	✕Not advertised A client that cannot register itself needs credentials issued out of band before it can begin the flow.
Client ID Metadata Document	✕Not advertised
PKCE	✕None advertised MCP requires S256; a client that implements only that has no method in common with this server.
Grant types	urn:ietf:params:oauth:grant-type:jwt-bearer
Scopes	links:read, links:write
Protected-resource metadata	✓Published (RFC 9728)
Anonymous access	Handshake succeeds; 19 tools listable
Documentation	https://esyurl.fyi/llms.txt

What the probe found

19 tools usable without signing in

The server exposes a public surface before authorization: create_short_link, list_short_links, get_short_link, update_short_link, delete_short_link, test_redirect_rules, get_short_link_visits, render_qr_code, create_group, list_groups, get_group, update_group, delete_group, add_links_to_group, remove_link_from_group, get_group_visits, get_custom_domain, set_custom_domain, remove_custom_domain.

Tools

add_links_to_groupcreate_groupcreate_short_linkdelete_groupdelete_short_linkget_custom_domainget_groupget_group_visitsget_short_linkget_short_link_visitslist_groupslist_short_linksremove_custom_domainremove_link_from_grouprender_qr_codeset_custom_domaintest_redirect_rulesupdate_groupupdate_short_link

Contract history

8 Oct 2026v0.2.0first recorded contract

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Status badge

Status for a README, from the last probe — cached an hour, so up to seven hours behind the endpoint. Links back to this page.

[![MCP status](https://mcpi.app/servers/esyurl/badge.svg)](https://mcpi.app/servers/esyurl)