io.github.CAVDAX/cavdax

cavdax-causal-mcp-gate

Is the io.github.CAVDAX/cavdax MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-13.

CAVDAX MCP Server backed by FalkorDB GraphBLAS for causal invalidation gating and ADR provenance.

alive probed 2026-11-14 · unchanged since 2026-11-13

10tools

2.3ktokens in Claude Opus 5.5

1.1 %of Claude's 200k window

0.9×the median server

88 msto initialize

2 msto list tools

Run it: npx -y @cavdax/mcp-server@1.3.3 (stdio, probed in a container with the network off)
Host: npmjs.com
Reports itself as: cavdax-causal-mcp-gate 1.3.3
Capabilities: tools
Instructions: none
Of a 1M window: 0.2 % of a 1M context window
Count: 2.3k tokens in Claude Opus 5.5, exact, measured 2026-11-13. With the Claude Code prefix mcp__…__ on each tool name: 2.4k. The o200k_base estimate is 1.2k. Counted again when the tool definitions change. Method.
Repository: https://github.com/CAVDAX/CAVDAX
Registry: active, updated 2026-11-12 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.83×.

Tool	≈ Claude tokens	o200k estimate	Share of this server
apply_code_change	394	215	17 %
revalidate_decision	344	188	15 %
check_intent_clearance	298	163	13 %
export_graph_image	244	133	11 %
acquire_decision_lock	225	123	10 %

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

Servers that mention invalidation or provenance.

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.