# Stdio Skill

> Stdin/stdout file inbox/outbox bridge for passing files to/from Clawdbot using an MCP stdio server. Use when you want a simple filesystem-backed dropbox: accept files into an inbox, move to tmp for processing, and emit deliverables to an outbox (or a specified path).

- Skill: `kbarbel640-del/stdio-skill` (Agent Skill, multi-file: 3 files)
- Install (CLI): `npx skillmds@latest add kbarbel640-del/stdio-skill`
- Raw SKILL.md: https://api.skillmd.com/api/skills/kbarbel640-del/stdio-skill/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: AI & ML
- Author: kbarbel640-del (https://skillmd.com/u/kbarbel640-del)
- Updated: 2026-09-08
- Page: https://skillmd.com/skills/kbarbel640-del/stdio-skill

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# stdio-skill

Implement and use a local MCP **stdio** server that provides a simple inbox/outbox workflow backed by directories on disk.

Paths (workspace-relative):
- `stdio/inbox/` — user drops inputs here
- `stdio/tmp/` — scratch area (move/copy inputs here for processing)
- `stdio/outbox/` — put deliverables here for pickup

## Start the MCP server (via mcporter)

This repo config should include an MCP server named `stdio-skill`.

- List tools:
  - `mcporter list stdio-skill --schema --timeout 120000 --json`

## Tooling model

Prefer:
1) `stdio-skill.stdio_list` to see what’s waiting.
2) `stdio-skill.stdio_read` (base64) to pull file contents.
3) `stdio-skill.stdio_move` to move an item to `tmp` once you’ve claimed it.
4) Write outputs with `stdio-skill.stdio_write` (base64) into `outbox` unless the user provided an explicit destination path.

No deprecated aliases: use the `stdio_*` tools only.

## Notes

- This skill is intentionally dumb/simple: it does not interpret file formats.
- It is safe-by-default: operations are restricted to the three directories above.
- For large files: prefer passing by path + moving files, not embedding giant base64 blobs in chat.