Claude Desktop MCP Troubleshooting: Server Not Showing Up

Corcava MCP not appearing in Claude Desktop? This troubleshooting guide helps you diagnose and fix configuration issues. Follow these steps to verify your config file location, validate JSON, restart...

MCP Config JSON Errors: How to Fix Common Mistakes

Invalid JSON in your MCP config file will prevent servers from loading. This error-focused guide shows you how to identify and fix common JSON syntax mistakes, schema errors, and formatting issues—wit...

Remote MCP Connection Failed: Diagnosing Network, TLS, and Proxies

Can't connect to a remote MCP server? This diagnostic guide helps you troubleshoot network issues, DNS problems, corporate proxy configuration, TLS inspection, and firewall rules. Follow the checklist...

401 Unauthorized in MCP: Fixing API Key and Auth Header Issues

Getting 401 Unauthorized errors when using MCP? This focused troubleshooting guide helps you fix authentication issues: missing Authorization headers, wrong Bearer format, revoked API keys, and whites...

403 Forbidden in MCP: Permissions and Access Control Fixes

Getting 403 Forbidden errors? Your API key is valid, but you don't have permission to perform the requested action. This guide explains account-level access issues, scope/permission mismatches, and ho...

MCP Tools Not Listed: Why tools/list Returns Empty

MCP server connects, but no tools appear? This troubleshooting guide helps you fix issues when tools/list returns empty. Learn how to diagnose auth failures that still allow connection, server selecti...

MCP Tool Calls Fail: Debugging Inputs, Validation, and Error Payloads

MCP tools are listed but calls fail? This generic troubleshooting guide helps you debug tool call failures: invalid arguments, missing required fields, wrong IDs, and server-side validation errors. Le...

MCP Timeouts and Slow Responses: How to Stabilize Your Setup

Experiencing timeouts or slow MCP tool calls? This performance troubleshooting guide helps you diagnose timeout causes, optimize long-running operations, implement retry patterns, and reduce response...

Continue MCP SSE Issues: Connection Drops, Streaming, and Retries

Having trouble with Continue's SSE connection to Corcava MCP? This Continue-specific troubleshooting guide helps you fix SSE disconnects, streaming failures, and connection issues. Learn how to valida...

Cursor MCP Troubleshooting: Changes Not Applied After Editing Config

Edited your Cursor MCP config but changes aren't taking effect? This Cursor-specific troubleshooting guide helps you fix issues when config updates don't apply. Learn about restart/reload requirements...

Windsurf MCP Troubleshooting: Auth Headers Not Being Sent

Windsurf connects to Corcava MCP but tool calls fail? This Windsurf-specific troubleshooting guide helps you fix cases where the server connects but tool calls fail due to missing authorization header...

Windows MCP Config Paths: Where to Find and Edit the Right File

Need to find or edit your MCP configuration on Windows? This Windows-specific guide shows you exactly where each MCP client stores its config files, how to open and edit them safely, and how to avoid...

macOS MCP Config Paths: Where to Find and Edit the Right File

Need to find or edit your MCP configuration on macOS? This macOS-specific guide shows you exactly where each MCP client stores its config files, how to open and edit them safely using Finder or Termin...

429 Rate Limited in MCP: How to Reduce Tool Calls and Retry Safely

Getting 429 rate limit errors from your MCP server? This troubleshooting guide helps you understand rate limiting, identify the causes (bursting, loops, large lists), implement safe retry/backoff stra...

Preventing Accidental Writes in MCP: Confirmation Prompts That Work

Worried about assistants accidentally creating, updating, or deleting tasks? This safety playbook provides reusable prompt templates that force a preview and explicit confirmation token before any wri...