io.github.mrfentmen/morse-mcp

morse-mcp

Is the io.github.mrfentmen/morse-mcp MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-09.

Encode text to Morse and decode Morse back, covering letters, digits and punctuation - fully local.

alive probed 2026-11-14 · unchanged since 2026-11-09

3tools

421tokens in Claude Opus 5.5

0.2 %of Claude's 200k window

0.2×the median server

291 msto initialize

6 msto list tools

Run it: npx -y @mrfentmen/morse-mcp@1.0.1 (stdio, probed in a container with the network off)
Host: npmjs.com
Reports itself as: morse-mcp 1.0.0
Capabilities: tools
Instructions: none
Of a 1M window: <0.1 % of a 1M context window
Count: 421 tokens in Claude Opus 5.5, exact, measured 2026-10-29. With the Claude Code prefix mcp__…__ on each tool name: 454. The o200k_base estimate is 235. Counted again when the tool definitions change. Method.
Repository: https://github.com/mrfentmen/awesome-servers
Registry: active, updated 2026-11-08 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.79×.

Tool	≈ Claude tokens	o200k estimate	Share of this server
decode_morse	149	83	35 %
morse_reference	140	78	33 %
encode_morse	133	74	31 %

Other registry entries on npmjs.com, the ones next to this name; all of them.

Servers that mention morse.

Morse — Telegraph in Telegram io.github.Harshyadav442277/telegraph-morse · needs auth
Nato io.github.pipeworx-io/nato · alive
MorseByte x402 Edge Data Refinery & Quant Gateway io.github.Ceejaythenerd/morsebyte-x402-mcp · alive
Morse com.morsemoney/morse · alive
Spring Boot Runtime Diagnostics io.github.neilmorse/spring-runtime-mcp · alive
SandiMorse com.sandimorse/sandimorse · alive

The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.

Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.