Post v1.0.0

A native, lightweight macOS desktop application for HTTP API testing, local webhook debugging, and Model Context Protocol (MCP) tool inspection.

Features

HTTP Workbench: Full HTTP client supporting GET, POST, PUT, DELETE, PATCH, HEAD, OPTIONS with query parameter toggles, header editor, formatted JSON response viewer, latency timing, and status badges.
Embedded Webhook Listener: Network listener (NWListener) running on port 9090 to capture, format, and inspect incoming local webhooks in real time.
Model Context Protocol (MCP) Inspector: Test local MCP server endpoints (http://localhost:8000/sse), discover tools (tools/list), edit input schemas, and execute JSON-RPC tool calls (tools/call).
Tokenized Activity History: Filter execution history logs using exact query tokens like method:POST or status:200.
1-Click cURL Import & Export: Import raw cURL shell strings and export formatted cURL commands directly to macOS Clipboard.

Stash-mac Animated Tab Bar: Interactive capsule pill navigation bar located under the search field with active state highlight and smooth snappy hover label expansion.
Borderless Line-Art Empty States: 32-bit RGBA transparent PNG line-art illustrations and explainer copy across all 4 section empty load states (Requests, Webhooks, MCP Server, History).
Resizable Drag Dividers: Custom DraggableDivider components with hover resize cursors (NSCursor.resizeLeftRight and NSCursor.resizeUpDown) across all split panes.
Prominent Green Tool Execution Button: Large icon-only green play button with native hover tooltips and .focusable(false) popup ring suppression.
Layered AppKit Autofill Suppression: Integrated FilterField and window-level interceptors to eliminate macOS phantom predictive text popups.