Claude Code Skills·Claude Skills·The open SKILL.md registry for Claude
ClaudSkills / Engineering / engineering-misc

mcp-tester-send-raw

Category: Engineering  ·  Sub-category: engineering-misc  ·  Last updated:
ai:mcp
\"Send raw JSON-RPC message to MCP server for low-level debugging. 發原始JSON-RPC訊息至MCP伺服器以底層除錯。 Use when: send raw mcp message, test json-rpc, low level mcp debug, craft custom mcp request, inject mcp message\

From the source SKILL.md

直接向 MCP 伺服器發送原始 JSON-RPC 訊息，供底層除錯。

What this skill does

mcp-tester-send-raw is a community-contributed Claude Code skill in the engineering-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/send-raw/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The mcp-tester-send-raw Claude Code skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 116,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/send-raw
curl -L https://claudskills.com/skills/send-raw/SKILL.md \
  -o ~/.claude/skills/send-raw/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/send-raw/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/send-raw/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\send-raw\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Telegram

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the mcp-tester-send-raw Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/send-raw/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the mcp-tester-send-raw skill do?
\"Send raw JSON-RPC message to MCP server for low-level debugging. 發原始JSON-RPC訊息至MCP伺服器以底層除錯。 Use when: send raw mcp message, test json-rpc, low level mcp debug, craft custom mcp request, inject mcp message\
Is this skill free to install?
Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.
When should I use the mcp-tester-send-raw skill?
Use mcp-tester-send-raw when your Claude Code task falls under the Engineering category — specifically in the engineering misc area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use mcp-tester-send-raw" or describe the task and let Claude pick). Browse related skills at /category/engineering/.
What is a Claude Code skill and how does the mcp-tester-send-raw skill fit in?
A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. mcp-tester-send-raw is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Engineering category. Learn more at /learn/what-is-a-claude-skill/.

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA
ClaudSkills. (2026). mcp-tester-send-raw [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/send-raw/
BibTeX
@misc{send-raw-2026,
  author    = {ClaudSkills},
  title     = {mcp-tester-send-raw [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/send-raw/}
}

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More Engineering skills

Browse all Engineering skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all Engineering skills → Top 100 skills
Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills.  ·  What's New  ·  Install guide  ·  About  ·  llms.txt

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