mcp-bash

# 00-hello-tool **What you’ll learn** - Basic handshake (`initialize`/`initialized`) and auto-discovered tools - Structured vs text output depending on jq/gojq availability (no Python fallback) - Runner sets `MCP_SDK` automatically **Prereqs** - Bash 3.2+ - jq or gojq required; without it the server enters minimal mode and this example is unavailable **Run** ``` ./examples/run 00-hello-tool ``` **Transcript** ``` > initialize < {"result":{"capabilities":{...}}} > tools/call example-hello < {"result":{"content":[{"type":"text","text":"Hello from example tool"}]}} ``` **Success criteria** - `tools/list` shows `example-hello` - Calling `example-hello` returns a greeting (text or structured if jq/gojq is present) **Troubleshooting** - Ensure scripts are executable (`chmod +x examples/run examples/00-hello-tool/tools/*/tool.sh`). - If you see minimal-mode warnings, install jq/gojq; minimal mode disables tools/resources/prompts entirely. - Avoid CRLF in requests; send LF-only NDJSON.