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Implement OAuth patterns for MCP servers in Claude Code: Dynamic Client Registration, pre-configured client IDs, oauth.scopes pins, authServerMetadataUrl overrides, and keychain token storage from official MCP documentation.

Explore and script against REST APIs with comprehensive authentication support (API keys, OAuth 2.0, JWT Bearer tokens, Basic Auth), pagination utilities (cursor-based, offset-based, page-based), retry logic with exponential backoff and jitter, error handling for HTTP status codes, rate limiting with Retry-After hea...

The official SingleStore MCP server (singlestore-mcp-server) that lets AI assistants manage SingleStore from natural language — running SQL on a workspace, inspecting organizations, workspace groups, and workspaces, managing starter workspaces, notebooks, scheduled jobs, and Stage files — with no API keys required thanks to browser-based OAuth.

The official Xero MCP server (@xeroapi/xero-mcp-server) that lets AI assistants work with a Xero accounting organisation — managing contacts, chart of accounts, invoices, credit notes, payments, bank transactions, manual journals, quotes, items, and payroll, and reading financial reports — using Xero OAuth2 custom connections or a bearer token.

Connect Claude to your data through Airbyte's 50+ agent connectors — query CRMs, billing systems, project management tools, communication platforms, and more — with the official Airbyte remote MCP server for AI agents.

Apache-2.0 AI-first IAM, auth server, and agent/MCP gateway with a web UI, OAuth/OIDC, SAML, CAS, LDAP, SCIM, WebAuthn, MFA, OpenClaw/A2A positioning, an `/api/mcp` endpoint for Casdoor administration tools, and configurable upstream MCP server proxying with tool allowlists and bearer-token forwarding.

Apache-2.0 `gws` command-line tool for Google Workspace APIs with structured JSON output, dynamic Discovery API commands, npm and release installers, Gemini CLI extension metadata, and 100+ bundled Agent Skills.

Official Go SDK for Model Context Protocol servers and clients, maintained by the MCP project in collaboration with Google, with packages for MCP, JSON-RPC, OAuth primitives, OAuth protected-resource metadata, clients, servers, transports, examples, and conformance work.

Official TypeScript SDK for Model Context Protocol clients and servers, with the production v1 `@modelcontextprotocol/sdk` package, active v2 server and client package work, Node.js, Bun, and Deno support, transports, OAuth helpers, tools, resources, prompts, examples, and API documentation.

Community reusable agent prompt for reviewing Claude Code remote MCP OAuth integrations using official connect-remote-servers documentation: consent flows, redirect URIs, token storage, scope minimization, and connector approval checklists.

Expert MCP OAuth server hardening capability pack applying documented Dynamic Client Registration, oauth.scopes pins, callback ports, keychain token storage, and least-privilege scope review from official MCP documentation.

Commercial Cirra AI MCP server that connects Claude and other MCP clients to Salesforce orgs via OAuth for metadata, permissions, flows, Apex, and SOQL administration through natural language.

Expert MCP remote server trust review capability pack for auditing OAuth flows, transport security, tool permissions, data exfiltration risk, and vendor scope before connecting Claude Code to third-party MCP servers.

Docker's MCP CLI plugin and gateway for running catalog, OCI, registry, or local-file MCP servers in containers and exposing them to Claude, Cursor, VS Code, and other MCP clients through a shared gateway profile.

Official freee MCP server for connecting Claude to freee accounting, HR, invoices, project time, sales, IT management, and e-signature APIs.

MCP transport bridge that converts between stdio, SSE, and Streamable HTTP so local MCP clients can reach remote servers, or remote clients can reach local stdio servers.

OpenMetadata MCP OAuth server that lets Claude-compatible clients access OpenMetadata metadata tools through user SSO or Basic Auth, PKCE, dynamic client registration, and OpenMetadata's normal permission model.

Official remote MCP server for querying and creating Amplitude analytics, dashboards, experiments, cohorts, session replay insights, and product data from Claude and other MCP clients.

Comprehensive Google Workspace MCP server and CLI for Gmail, Drive, Calendar, Docs, Sheets, Slides, Forms, Chat, Apps Script, Tasks, Contacts, and Custom Search workflows.

Dashboard, CLI, and gateway for centrally managing many MCP servers and exposing them as authenticated all-server, group, single-server, or smart routing endpoints.

MCP-to-OpenAPI proxy server that wraps MCP servers and exposes their tools as standard HTTP endpoints with generated OpenAPI schemas and docs.

Docker-deployed MCP gateway that aggregates downstream MCP servers into namespaces, endpoints, SSE, Streamable HTTP, OpenAPI, auth, and rate limits.

Connect Claude to Okta's official self-hosted MCP server for scoped identity administration, users, groups, applications, policies, logs, brands, and tenant management workflows.

Remote Agentage Memory MCP server giving Claude one shared, portable memory across every AI you use - search, read, write, edit, list, and delete plain Markdown notes you own, over Streamable HTTP with OAuth 2.1.

A practical guide for handling secrets when connecting MCP servers and authoring Agent SDK tools in Claude Code: env expansion in .mcp.json, OAuth scope pins, keychain storage, local scope, and redaction before tool arguments reach the model.

Official Conveo remote MCP server for AI-led qualitative research—design studies, manage questions and stimuli, run analyses, and handle recruitment via OAuth at app.conveo.ai.

Checklist for reviewing remote MCP servers before team rollout: OAuth scopes, transport security, tool surface, registry provenance, and rollback.

Slash command for auditing a remote MCP server authorization setup, including protected resource metadata, authorization server discovery, OAuth resource indicators, token audience validation, scopes, and token passthrough risk.

Source-backed specialist agent for reviewing remote MCP authorization boundaries, protected resource metadata, resource indicators, token audience validation, token passthrough risk, and least-privilege scopes.

Practical checklist for reviewing remote MCP server authorization, resource indicators, bearer-token handling, HTTPS transport, PKCE, and token passthrough risks before connecting an AI client.