io.studiomeyer/server-attestation
MCP Server Attestation
Is the MCP Server Attestation MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-30.
Ed25519-signed MCP tool manifests + spawn attestation. Layer-2 supply-chain hardening.
alive probed 2026-11-15 · unchanged since 2026-10-30
- Run it
- npx -y mcp-attest-demo@0.2.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- mcp-attest-demo 0.2.0
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- <0.1 % of a 1M context window
- Count
- 940 tokens in Claude Opus 5.5, exact, measured 2026-10-16. With the Claude Code prefix mcp__…__ on each tool name: 990. The o200k_base estimate is 486. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/studiomeyer-io/mcp-server-attestation
- Registry
- active, updated 2026-08-19 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.93×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| attest_inspect_spawn | 222 | 115 | 24 % |
| attest_verify_manifest | 217 | 112 | 23 % |
| attest_sign_manifest | 186 | 96 | 20 % |
| attest_keygen | 166 | 86 | 18 % |
| attest_generate_manifest_template | 149 | 77 | 16 % |
Compare this server with others.
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
- io.speedvault/mcp · alive
- MCP Hook Conformance io.studiomeyer/hook-conformance · crashed on start
- StudioMeyer Personal Suite io.studiomeyer/personal-suite · alive
- MCP Protocol Conformance io.studiomeyer/protocol-conformance · crashed on start
- MCP stdio ShellGuard io.studiomeyer/stdio-shellguard · alive
- MCP Tenant Pair io.studiomeyer/tenant-pair · crashed on start
- StudioMeyer Video io.studiomeyer/video · needs env
- Svara io.svarapi/mcp · alive
Servers that mention attestation.
- AFMR Discovery ai.afmr/discovery · alive
- com.402oracle/402oracle · alive
- Clink Forge com.clinkforge/clink-forge · no DNS
- SettlementWitness com.defaultverifier/settlement-witness · alive
- Enclave402 com.enclave402/enclave402 · not found
- GRAFOMEM CGR Read com.grafomem/cgr-read · needs auth
- Kenwea — Sandbox Attestation & Agent Marketplace com.kenwea.www/marketplace · alive
- xytara MCP Executor com.naxytra/xytara-mcp-executor · 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.