io.github.SPAZIO-GENESI/attest-mcp

attest-mcp

Is the io.github.SPAZIO-GENESI/attest-mcp MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-31.

Free proof-of-existence attestation for digital files, MCP tools for the imgauth service.

alive probed 2026-11-15 · unchanged since 2026-10-31

7tools

1.8ktokens in Claude Opus 5.5

0.9 %of Claude's 200k window

0.7×the median server

365 msto initialize

10 msto list tools

Run it: npx -y @spazio-genesi/attest-mcp@0.4.1 (stdio, probed in a container with the network off)
Host: npmjs.com
Reports itself as: attest-mcp 0.4.1
Capabilities: tools
Instructions: none
Of a 1M window: 0.2 % of a 1M context window
Count: 1.8k tokens in Claude Opus 5.5, exact, measured 2026-10-17. With the Claude Code prefix mcp__…__ on each tool name: 1.9k. The o200k_base estimate is 1.0k. Counted again when the tool definitions change. Method.
Repository: https://github.com/SPAZIO-GENESI/attest-mcp
Website: https://attestazione.spaziogenesi.org
Registry: active, updated 2026-07-24 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.74×.

Tool	≈ Claude tokens	o200k estimate	Share of this server
verify_file	354	203	20 %
attest_file	335	192	19 %
get_certificate_pdf	333	191	18 %
verify_certificate	295	169	16 %
authorize	221	127	12 %

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

Servers that mention attest.

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.