257 pages for attempt.
Titles and paths first, then pages whose text carries it. Each row opens that page as this site last read it.
Client Registration
Model Context Protocol · in the page
specification/draft/basic/authorization/client-registration
…stered with, clients **SHOULD** surface an error rather than silently attempting to use mismatched credentials. Client IDs based on Client ID Metadata Documents are portable across authorization serv…
Authorization
Model Context Protocol · in the page
specification/draft/basic/authorization/index
…ther, appropriate ways. Clients acting on behalf of a user **SHOULD** attempt the step-up authorization flow. Clients acting on their own behalf (`client_credentials` clients) **MAY** attempt the step…
Authorization Security Considerations
Model Context Protocol · in the page
specification/draft/basic/authorization/security-considerations
…ols one of the authorization servers an MCP client interacts with may attempt to have the client send it an authorization code or token issued by a different, honest authorization server (a mix-up att…
Multi Round-Trip Requests
Model Context Protocol · in the page
specification/draft/basic/patterns/mrtr
…Servers **MAY** choose to return an `InputRequiredResult` on multiple attempts at the same request if they want to repeatedly prompt the user for information until they have what they need to complete…
Streamable HTTP
Model Context Protocol · in the page
specification/draft/basic/transports/streamable-http
…itialize` handshake **MAY** detect which era the server implements by attempting a modern request first. On `400 Bad Request`, the client **SHOULD** inspect the response body before falling back: mode…
Versioning and Compatibility
Model Context Protocol · in the page
specification/draft/basic/versioning
…/draft/basic/transports/streamable-http.md#backward-compatibility): attempt a modern request and inspect the body of a `400 Bad Request` before falling back. In both cases, a recognized modern JS…
Pagination
Model Context Protocol · in the page
specification/draft/server/utilities/pagination
…ue tokens: * Don't make assumptions about cursor format * Don't attempt to parse or modify cursors * Don't make any determination based on cursor value other than whether a non-null valu…