io.github.basitalisandhu/mcp-cron-tools
Cron Tools
Is the Cron Tools MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-29.
Parse, explain and validate 5-field cron expressions and list upcoming runs in a time zone.
alive probed 2026-11-15 · unchanged since 2026-10-29
- Run it
- docker run -i --rm ghcr.io/basitalisandhu/mcp-cron-tools:0.3.0 (stdio, probed in a container with the network off)
- Host
- ghcr.io
- Reports itself as
- cron-tools 0.3.0
- Capabilities
- tools
- Instructions
- 559 characters
- Of a 1M window
- 0.2 % of a 1M context window
- Count
- 1.7k tokens in Claude Opus 5.5, exact, measured 2026-10-27. With the Claude Code prefix mcp__…__ on each tool name: 1.7k. The o200k_base estimate is 1.0k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/basitalisandhu/dev-mcp-servers
- Website
- https://basitalisandhu.github.io/dev-mcp-servers/
- Registry
- active, updated 2026-10-28 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.66×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| next_runs | 474 | 286 | 28 % |
| previous_runs | 474 | 286 | 28 % |
| explain_cron | 259 | 156 | 15 % |
| validate_cron | 240 | 145 | 14 % |
| parse_cron | 222 | 134 | 13 % |
Compare this server with others.
More servers
Other registry entries on ghcr.io, the ones next to this name; all of them.
- Dataloupe io.github.aurelio-nakamura/dataloupe · alive
- memex io.github.ayushagrawal288/memex · not probed
- CogZ io.github.balaianu/cogz · alive
- arr-mcp io.github.bardesss/arr-mcp · not probed
- Dockerfile Lint io.github.basitalisandhu/mcp-dockerfile-lint · alive
- Git Insights io.github.basitalisandhu/mcp-git-insights · alive
- JSON Schema Tools io.github.basitalisandhu/mcp-json-schema-tools · alive
- JWT Tools io.github.basitalisandhu/mcp-jwt-tools · alive
Servers that mention cron.
- AIS Agent Flight Recorder — dead-man alerts & resume for AI agents ai.aislabs/recorder · alive
- Zicron medical chronology (public) ai.zicron.claims/medical-chronology · alive
- A.U.G.U.R Synapse · Utils art.maddegen.agent/synapse-util · alive
- 402cron com.402cron/402cron · alive
- CronPulser com.cronpulser/cronpulser · needs auth
- Cron Translator com.crontoenglish/cron-translator · alive
- Epoch Calculator com.epochcalc/epochcalc · alive
- Gluecron com.gluecron/gluecron · needs auth
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.