io.github.RunTimeAdmin/sigvara

Sigvara

Is the Sigvara MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-14.

Read-only checks of an AI agent's Sigvara standing, score, stake and slashes before you rely on it.

alive probed 2026-11-14

5tools

1.2ktokens in Claude Opus 5.5

0.6 %of Claude's 200k window

0.5×the median server

246 msto initialize

3 msto list tools

Run it: npx -y @sigvara/protocol-sdk@1.0.0-alpha.20 (stdio, probed in a container with the network off)
Host: npmjs.com
Reports itself as: sigvara-trust 1.0.0-alpha.20
Capabilities: tools
Instructions: 292 characters
Of a 1M window: 0.1 % of a 1M context window
Count: 1.2k tokens in Claude Opus 5.5, exact, measured 2026-11-14. With the Claude Code prefix mcp__…__ on each tool name: 1.2k. The o200k_base estimate is 706. Counted again when the tool definitions change. Method.
Repository: https://github.com/RunTimeAdmin/Sigvara
Website: https://sigvara.xyz
Registry: active, updated 2026-11-13 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.64×.

Tool	≈ Claude tokens	o200k estimate	Share of this server
sigvara_check_agent	389	237	34 %
sigvara_verify_evidence	264	161	23 %
sigvara_stake	184	112	16 %
sigvara_score	169	103	15 %
sigvara_identity	153	93	13 %

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

Servers that mention standing or slashes.

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.