io.github.simaanc/silica-eda

Silica

Is the Silica MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-29.

RTL and FPGA tools: lint, simulate, formal, synthesize, place and route, program a board.

alive probed 2026-11-14 · unchanged since 2026-10-29

18tools

12ktokens in Claude Opus 5.5

6.1 %of Claude's 200k window

4.8×the median server

1.8 sto initialize

6 msto list tools

Run it: uvx silica-eda@0.5.0 (stdio, probed in a container with the network off)
Host: pypi.org
Reports itself as: silica 0.5.0
Capabilities: prompts, resources, tools
Instructions: 7 244 characters
Of a 1M window: 1.2 % of a 1M context window
Count: 12k tokens in Claude Opus 5.5, exact, measured 2026-10-29. With the Claude Code prefix mcp__…__ on each tool name: 12k. The o200k_base estimate is 7.4k. Counted again when the tool definitions change. Method.
Repository: https://github.com/simaanc/silica-eda
Registry: active, updated 2026-10-20 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.63×.

Tool	≈ Claude tokens	o200k estimate	Share of this server
run_place_route	1 544	949	13 %
run_formal	1 195	734	10 %
synthesize	1 032	634	9 %
run_simulation	1 027	631	8 %
program_device	952	585	8 %

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

Servers that mention silica.

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.