io.github.firatmio/aletheia

Aletheia

Is the Aletheia MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-29.

Project memory for coding agents whose memories carry code evidence, re-checked on every recall.

alive probed 2026-11-15 · unchanged since 2026-10-29

4tools

812tokens in Claude Opus 5.5

0.4 %of Claude's 200k window

0.3×the median server

86 msto initialize

4 msto list tools

Run it: npx -y @firatmio/aletheia@0.1.1 (stdio, probed in a container with the network off)
Host: npmjs.com
Reports itself as: aletheia 0.1.1
Capabilities: tools
Instructions: 362 characters
Of a 1M window: <0.1 % of a 1M context window
Count: 812 tokens in Claude Opus 5.5, exact, measured 2026-10-29. With the Claude Code prefix mcp__…__ on each tool name: 848. The o200k_base estimate is 470. Counted again when the tool definitions change. Method.
Repository: https://github.com/firatmio/aletheia
Website: https://aletheia.firattunaarslan.me
Registry: active, updated 2026-10-23 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.73×.

Tool	≈ Claude tokens	o200k estimate	Share of this server
remember	399	231	49 %
recall	216	125	27 %
verify	133	77	16 %
get	64	37	8 %

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

Servers that mention aletheia.

io.thegavel/gavel · alive
Aletheia Certified Compute io.github.shaneraphel/aletheia · server error
Aletheia Runtime Safety & Scope Creep Filter io.github.vikasny30/aletheia-mcp · alive
4words land.aletheia/4words · alive
Aletheia io.github.mohamed-ashraf-elsaed/aletheia-mem · crashed on start

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.