| What it does | Payment webhook debugger for Stripe, Paddle, Lemon Squeezy, Polar and Dodo
| Local MCP server manager for Claude, Cursor, VS Code and other AI clients
|
|---|
| Stage | MVP
| MVP
|
|---|
| Founded | Not given
| Not given
|
|---|
| Based in | Not given
| SK
|
|---|
| Pricing model | Not given
| Open source
|
|---|
| Pricing | Free plan: $0 forever with 1 project, signature checks for all five providers, 3 days of history with daily event limit. Pro plan: $12 per month with unlimited projects, plain-English diagnosis, fix prompts, and 30 days of history. Lifetime: $99 once, first 100 only, with everything in Pro for life
| Free beta with no account or sign-up required. Source code available under MIT License.
|
|---|
| Key features | - Signature verification for Stripe, Paddle, Lemon Squeezy, Polar and Dodo
- Plain-English diagnosis of webhook failures
- Fix prompts for Cursor and Claude Code
- Replay events with re-signed payloads
- Works without localhost for cloud development environments
- View incoming events and HTTP status codes
- 30 days of event history in Pro plan
| - Server matrix showing which MCP servers are enabled across all supported AI clients
- Health checks and MCP Doctor to diagnose server connection failures
- Profiles to save and switch between different MCP stacks for different tasks
- Timestamped backups with atomic writes and external change detection
- Contract Guard to alert when servers change their tool definitions or descriptions
- Built-in catalog and support for custom JSON, JSONC and TOML configuration sources
- Context optimizer measuring tool-schema footprint and proximity to client limits
- Security scanning for invisible characters, credential exposure and malicious prompts in tool definitions
- Optional Gateway mode for supported stdio servers with local routing and native credential storage
- Live Activity logging with metadata-only recording and no payload capture
|
|---|
| What makes it different | - Diagnosis explains what went wrong, not just what arrived
- Built for AI code editors and cloud development
- No code changes required during beta
- Covers five payment providers including ones Stripe CLI doesn't support
- Core is open source at launch
| - Works with any existing MCP server you already have configured without requiring migration or special catalog registration
- Detects and alerts when servers change what they tell your model between health checks
- Completely local with no cloud sync, no account, and no upload of configuration or API keys
- Public source code under MIT License so you can audit every request or build from source yourself
- Automatic timestamped backups before every change with the ability to browse and restore earlier versions
|
|---|
| Free plan | Not given
| Not given
|
|---|
| Open source | Not given
| Not given
|
|---|
| Platforms | Not given
| Not given
|
|---|
| Public API | Not given
| Not given
|
|---|
| Community votes | 0 | 0 |
|---|
| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | 2 ● no change since last check |
|---|
| Trust Flow (Majestic) | 2 | 2 |
|---|
| Citation Flow (Majestic) | 16 | 17 |
|---|
| Referring domains (Majestic) | 2 | 51 |
|---|
PayHook
KyttoMCP