mcpcheck · demo

Linear (remote, OAuth) passing

https://mcp.linear.app/mcp

free preview run · last run 5 d ago (2026-09-02 18:05 UTC)

Clean install n/a

0/1 hosts

Clients n/a

pending

OAuth pass

10 checks pass

Tool catalog pending

pending

Error ergonomics n/a

pending

Protocol n/a

0/0 scenarios

Clean install n/a

Fresh npm/uv cache, start over stdio (or connect for remote URLs), initialize + tools/list, on GitHub-hosted Linux, macOS and Windows runners.

Host	Status	Node	Server	Tools	Time	Result
local macOS (local probe)	n/a	v22.23.2	—	0	1.5 s	needs credentials (401) `AUTH_REQUIRED` Streamable HTTP error: Error POSTing to endpoint: {"error":"invalid_token","error_description":"Missing or invalid access token"} Add an Authorization header or OAuth refresh credentials to the enrollment.

Client compatibility n/a

ClaudeCursor inferredVS Code inferredPython SDK

Cursor and VS Code embed the official TypeScript SDK client; their chips are inferred from the TypeScript SDK rows (no GUI automation). Claude Code is verified with a claude mcp list health check — a real handshake over its own transport.

Client	local macOS
TypeScript SDK client (current) vunknown embedded by Cursor, VS Code, Claude Desktop, Windsurf	n/a needs credentials (401) `AUTH_REQUIRED` Streamable HTTP error: Error POSTing to endpoint: {"error":"invalid_token","error_description":"Missing or invalid access token"} Add an Authorization header or OAuth refresh credentials to the enrollment.
TypeScript SDK client (previous minor) vunknown embedded by Cursor, VS Code	n/a needs credentials (401) `AUTH_REQUIRED` Streamable HTTP error: Error POSTing to endpoint: {"error":"invalid_token","error_description":"Missing or invalid access token"} Add an Authorization header or OAuth refresh credentials to the enrollment.
Python SDK client (current) vunknown	n/a needs credentials (401) `AUTH_REQUIRED` unauthenticated initialize answered 401 Add an Authorization header or OAuth refresh credentials to the enrollment.
Python SDK client (previous minor) vunknown	n/a needs credentials (401) `AUTH_REQUIRED` unauthenticated initialize answered 401 Add an Authorization header or OAuth refresh credentials to the enrollment.
Claude Code (`claude mcp list`) v2.1.196 embedded by Claude Code	n/a needs credentials (401): Claude Code cannot complete a browser OAuth flow unattended `AUTH_REQUIRED` unauthenticated initialize answered 401 Add a bearer token or OAuth refresh credentials to the enrollment; the runner then passes the access token as a header.

OAuth conformance pass

https://mcp.linear.app/mcp · AS https://mcp.linear.app · scopes read write

pass

Unauthenticated initialize returns 401

HTTP 401

pass

WWW-Authenticate points at the resource metadata

resource_metadata=https://mcp.linear.app/.well-known/oauth-protected-resource/mcp

pass

Well-known PRM paths

/.well-known/oauth-protected-resource/mcp, /.well-known/oauth-protected-resource

pass

PRM `resource` is this server's canonical URI

resource=https://mcp.linear.app/mcp

pass

PRM lists an authorization server

https://mcp.linear.app

info

Scopes advertised

read write

pass

Authorization server metadata is discoverable

issuer=https://mcp.linear.app; token_endpoint=https://mcp.linear.app/token

pass

PKCE S256 advertised

S256

pass

Dynamic client registration

registration_endpoint=https://mcp.linear.app/register

pass

Refresh tokens supported

authorization_code, refresh_token, urn:ietf:params:oauth:grant-type:jwt-bearer

pass

Public clients can use the token endpoint

client_secret_basic, client_secret_post, none

Tool catalog pending

No catalog captured yet.

Error ergonomics n/a

10 malformed inputs per tool (missing/mistyped/null/out-of-range/unknown fields …). Each error response is graded on code · cause · fix · retryable; heuristic grades.

No error samples yet.

Protocol conformance n/a

Scenario	Status	Message

@modelcontextprotocol/conformance 0.1.16, generic server scenarios.

Badge

[![mcpcheck](https://agentwares-agentcheck.vercel.app/mcpcheck/demo/badge/linear.svg)](https://agentwares-agentcheck.vercel.app/mcpcheck/demo/linear)

Machine-readable: report.json · trust.json