io.github.alexar76/warden
WARDEN by AIMarket — MCP tool firewall
Is the WARDEN by AIMarket MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-13.
MCP security firewall: stdio wrap proxy or inspection tools; zero runtime dependencies.
alive probed 2026-11-14 · unchanged since 2026-11-13
- Run it
- npx -y @aimarket/warden@0.26.1 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- warden 0.26.1
- Capabilities
- tools
- Instructions
- 973 characters
- Of a 1M window
- 1.1 % of a 1M context window
- Count
- 11k tokens in Claude Opus 5.5, exact, measured 2026-11-12. With the Claude Code prefix mcp__…__ on each tool name: 11k. The o200k_base estimate is 6.5k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/alexar76/warden
- Registry
- active, updated 2026-11-12 · registry entry
- Changes
- 5 recorded, reachable in 5 of them. A row is added when the result, the tool count or the cost changes.
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.70×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| vet_mcp_server | 2 420 | 1 423 | 22 % |
| approve_mcp_server | 1 966 | 1 156 | 18 % |
| status_mcp_server | 1 835 | 1 079 | 17 % |
| revoke_mcp_server | 1 157 | 680 | 10 % |
| classify_sensitive_tools | 1 039 | 611 | 9 % |
Compare this server with others.
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
- io.github.alex3000-ai/tari-explorer · alive
- io.github.alexanderclapp/clirank · alive
- Dwarf Fortress (DFHack) io.github.alexanderolvera/dfhack-mcp · alive
- ARGUS-3 MCP Server io.github.alexar76/argus3 · alive
- ProjectPulse MCP io.github.alexbypa/github-projectpulse-mcp · alive
- Cloud DevOps MCP Server io.github.alexcgodwin/cloud-devops-mcp-server · alive
- io.github.alexcloudstar/makers-page-mcp · not found
- io.github.alexey-pelykh/linkedctl · alive
Servers that mention warden.
- Warden io.github.Larshiensch99/warden · TLS error
- vaultgate io.github.adamrowles1996/vaultgate · needs your URL
- keyshroud io.github.dinhkarate/keyshroud · alive
- io.github.packwarden-dev/packwarden · alive
- io.github.rynald0cst0ltziam/warden · crashed on start
- Hookwarden — Webhook Integrity io.github.Hookwarden/mcp · alive
- io.github.mrfentmen/bitwarden-mcp · alive
- Linkwarden MCP io.github.flumpiey/linkwarden-mcp · needs env
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-11-12 08:53 | alive | 171 ms | 9 | 11k | 6.5k |
| 2026-10-31 07:31 | alive | 154 ms | 9 | 11k | 6.5k |
| 2026-10-26 06:59 | alive | 196 ms | 9 | 6.5k | |
| 2026-10-24 06:29 | alive | 131 ms | 9 | 6.3k | |
| 2026-10-17 06:14 | alive | 129 ms | 9 | 9.8k | 5.7k |
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.