io.github.mrfentmen/riscv-assembly-mcp
riscv-assembly-mcp
Is the io.github.mrfentmen/riscv-assembly-mcp MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-09.
RISC-V Assembly MCP: real tools for real work.
alive probed 2026-11-15 · unchanged since 2026-11-09
- Run it
- npx -y @mrfentmen/riscv-assembly-mcp@1.0.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- riscv-assembly-mcp 1.0.0
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- 0.4 % of a 1M context window
- Count
- 4.2k tokens in Claude Opus 5.5, exact, measured 2026-11-09. With the Claude Code prefix mcp__…__ on each tool name: 4.5k. The o200k_base estimate is 2.2k. 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, 1.88×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| rename_symbol | 273 | 145 | 7 % |
| format_source | 271 | 144 | 6 % |
| comment_lines | 258 | 137 | 6 % |
| insert_snippet | 256 | 136 | 6 % |
| uncomment_lines | 254 | 135 | 6 % |
Compare this server with others, or with the servers that share its tool set.
Same tool set as 7 other servers
These registry entries have the same tool names and the same schema sizes.
- io.github.mrfentmen/csound-document-mcp npmjs.com
- io.github.mrfentmen/directx-3d-file-mcp npmjs.com
- io.github.mrfentmen/java-properties-mcp npmjs.com
- io.github.mrfentmen/livecode-script-mcp npmjs.com
- io.github.mrfentmen/parrot-assembly-mcp npmjs.com
- io.github.mrfentmen/robotframework-mcp npmjs.com
- io.github.mrfentmen/routeros-script-mcp npmjs.com
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
- io.github.mrfentmen/rinex-mcp · alive
- io.github.mrfentmen/ring-mcp · alive
- io.github.mrfentmen/riotgames-mcp · alive
- io.github.mrfentmen/ripestat-mcp · alive
- io.github.mrfentmen/rmarkdown-mcp · alive
- io.github.mrfentmen/rng-mcp · alive
- io.github.mrfentmen/roblox-mcp · alive
- io.github.mrfentmen/robohash-mcp · alive
Servers that mention assembly.
- ai.multi-turn/enacta · no DNS
- Post Assembly com.postassembly/post-assembly · needs auth
- com.vithanco/vgraph-mcp · not MCP
- Chaletiste fr.chaletiste/chaletiste · alive
- Compiler Explorer io.github.compiler-explorer/compiler-explorer · alive
- Harness Atlas io.github.pawel-kowalczyk/harness-atlas · alive
- wasm-mcp io.github.xyzzylabs/wasm-mcp · alive
- TaskMan of London london.taskman/home-services · alive
Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- The server answers initialize and tools/list. Nothing to fix.