io.github.sammyboi81/arkhive
ArkHive MCP
Tamper-evident memory + governance MCP for Claude Code, Cursor, Codex. Ships the Seatbelt kit.
alive probed 2026-10-19
12tools
≈ 1.1ktokens, estimate
≈ 0.6 %of Claude's 200k window
0.8×the median server
289 msto initialize
4 msto list tools
- Run it
- uvx arkhive-mcp==0.3.0 (stdio, probed in a container with the network off)
- Host
- pypi.org
- Reports itself as
- arkhive 0.3.0
- Capabilities
- tools
- Instructions
- 737 characters
- Of a 1M window
- ≈ 0.1 % of a 1M context window, estimate
- Claude count
- The count_tokens endpoint refused the tool schemas: invalid x-api-key. The estimate stands in.
- Repository
- https://github.com/sammyboi81/arkhive
- Registry
- active, updated 2026-09-23 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
Estimates with the o200k_base tokenizer.
| Tool | o200k estimate | Share of this server |
|---|---|---|
| request_action | 150 | 13 % |
| add_decree | 135 | 12 % |
| validate_token | 119 | 11 % |
| check_conformance | 115 | 10 % |
| birth | 101 | 9 % |
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 Anthropic count_tokens endpoint refused the tool schemas (invalid x-api-key). A client that validates schemas can refuse them too.