REA
Reverse engineer anything from your terminal or agent with one CLI and MCP server.
Check your cron jobs, recent runs, workflows and webhooks, and run a job now when you confirm.
Pick the AI app you use, then copy the settings.
Passed 2/3 checks · What you ask goes through the maker’s server (mcp.cron.cool)
First: which AI do you use?
Pick your app and the steps appear below.
Works with Claude · about 2 min
No key, nothing to install · Set it up once on claude.ai or the desktop app, then use it in chat · free accounts can add 1 · on Team/Enterprise an Owner adds it
CustomizeConnectors
Copy each value into the field with the same name in Claude, then click Continue
Croncool Cron Jobshttps://mcp.cron.cool/mcpLeave Authentication as Claude detected it, then click Add
+ConnectorsCroncool Cron Jobs
Use Croncool Cron Jobs and tell me what you can do for me, then show me one thing✓ If Claude says it is using Croncool Cron Jobs or shows a Croncool Cron Jobs tool in the answer, you are connected
Menu names checked against Anthropic’s help page on Nov 11, 2026 · your screen may differ slightly by app version
Works with ChatGPT on business plans only
ChatGPT Business, Enterprise or Edu on the web, added by a workspace admin or owner · On Free, Plus or Pro: your ChatGPT plan cannot connect MCP yet
Plugins+Add custom MCP server
Enter a name, paste the address under Connection, tick the risk warning and click Create as a plugin
Croncool Cron Jobshttps://mcp.cron.cool/mcpStart a new chat and pick Croncool Cron Jobs from your plugins before typing
Use Croncool Cron Jobs and tell me what you can do for me, then show me one thing✓ If ChatGPT says it is using Croncool Cron Jobs or shows a Croncool Cron Jobs tool in the answer, you are connected
Menu names checked against OpenAI’s help page on Nov 11, 2026 · your screen may differ slightly by app version
Works with Claude Code · about 2 min
No key, nothing to install
Mac: press Command+Space and type Terminal · Windows: open PowerShell
claude mcp add --transport http --scope user croncool https://mcp.cron.cool/mcpYou should see Croncool Cron Jobs listed as connected
Use Croncool Cron Jobs and tell me what you can do for me, then show me one thing✓ If Claude Code says it is using Croncool Cron Jobs or shows a Croncool Cron Jobs tool in the answer, you are connected
Menu names checked against Anthropic’s help page on Nov 11, 2026 · your screen may differ slightly by app version
Works with Cursor · about 2 min
No key, nothing to install
Use Croncool Cron Jobs and tell me what you can do for me, then show me one thing✓ If Cursor says it is using Croncool Cron Jobs or shows a Croncool Cron Jobs tool in the answer, you are connected
Menu names checked against Cursor’s help page on Nov 11, 2026 · your screen may differ slightly by app version
Works with VS Code · about 2 min
No key, nothing to install
Use Croncool Cron Jobs and tell me what you can do for me, then show me one thing✓ If VS Code says it is using Croncool Cron Jobs or shows a Croncool Cron Jobs tool in the answer, you are connected
Menu names checked against VS Code’s help page on Nov 11, 2026 · your screen may differ slightly by app version
Other apps that use MCP, such as Windsurf, Zed or Gemini CLI, each add servers differently. See how in the app list.
Address for apps that connect over the web
https://mcp.cron.cool/mcpJSON settings are under “For developers” below
Claude Code
claude mcp add --transport http --scope user croncool https://mcp.cron.cool/mcpCursor (~/.cursor/mcp.json)
{
"mcpServers": {
"croncool": {
"url": "https://mcp.cron.cool/mcp"
}
}
}VS Code (mcp.json)
{
"servers": {
"croncool": {
"type": "http",
"url": "https://mcp.cron.cool/mcp"
}
}
}These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.
Based on how this server connects and on each app’s own docs, checked Nov 10, 2026.
Connect over the internet in
ClaudeChatGPTGooseLM StudioMsty StudioCherry StudioCursorVS Code + GitHub CopilotVisual StudioWindsurf (Devin Desktop)ZedKiroClineContinueJetBrains AI AssistantClaude CodeCodex CLIGemini CLIOpenCodenodecodeWarpLibreChatOpen WebUIRaycast
Tool names and descriptions exactly as the server reported them on Nov 8, 2026. The maker wrote them, not us; we show them as plain text.
list_projectsUse this when the user wants to list projects accessible to the connected CronCool account, including identifiers needed to select a project. Returns each project's id, name and creation time, 50 by default and 100 at most, with a flag when more exist. Not for listing jobs.
list_jobsUse this when the user wants to list scheduled jobs in CronCool to inspect schedules, enabled state and the latest execution status. Returns each job's id, name, schedule, target origin, method, enabled state and last run status and time, 20 per page by default, with a cursor for
get_jobUse this when the user wants to read the scheduling configuration and latest execution metadata of one CronCool job selected by its exact identifier. Returns the job's name, cron expression, type, target origin, HTTP method, content type, enabled state and last run status and tim
run_jobUse this when the user wants to immediately execute the configured request for one CronCool job. Returns only that Croncool invoked it, not the target's response. Each call immediately sends the job's configured request again, which can write, message or bill downstream, and a re
get_job_runsUse this when the user wants to read execution history for one CronCool job to inspect success, failure, HTTP status and duration. Returns recent runs newest first with success or failure, HTTP status, duration and time (no response bodies), 20 by default and 100 at most. Not for
list_workflowsUse this when the user wants to list durable workflow definitions and run-count summaries for one CronCool project. Returns each workflow's name, run counts by status and last run time for one project, 50 by default and 100 at most. Not for individual runs.
list_workflow_runsUse this when the user wants to list executions of a durable workflow in CronCool, with optional workflow-name and status filters. Returns each run's id, workflow name, status, timings and error code, newest first by default, 20 per page with a cursor, filterable by workflow and
get_workflow_runUse this when the user wants to read one CronCool workflow execution and a bounded page of its step statuses for troubleshooting. Returns the run's status, timings and error code plus its steps with status, attempt, timings and error code, 50 steps by default and 200 at most. Not
list_webhook_subscriptionsUse this when the user wants to read CronCool webhook subscription configuration and recorded delivery failures. Returns each subscription's endpoint origin, events, active state, consecutive failures, auto-disabled flag and last delivery time, 20 by default. Works only with a si
open_croncoolUse this when the user wants to open the CronCool project-selection sidebar when the user requests an interactive project and job browser. Returns up to 100 projects to start from (no request payloads, workflow bodies, secrets or full target URLs). Not for running jobs or changin
show_project_overviewUse this when the user wants to render a read-only overview of one CronCool project and a bounded preview of its scheduled jobs. Returns an overview card with the project's name and creation time, whether workflow hosting is set up, and up to 12 jobs with schedule, target origin
We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 12, 2026
The registry lists no source repo, so we cannot match the publisher (cron.cool) to the code
We have not read this repo from GitHub yet
We have not read this repo from GitHub yet
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Read 11 tool descriptions and found no hidden instructions to the AI
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Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.
It passed 2 of 3 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.
The registry does not list a required key, though some servers ask you to sign in on first use.
It runs in the maker’s cloud. Connect over the internet with nothing to install, but what you send passes through the maker’s servers.
The GitHub repo last changed –, and the latest version (0.1.1) reached the registry last month.
Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. It connects by URL, so apps that accept remote MCP servers work too, such as ChatGPT Business and above.
Servers in the same category from other makers, sorted by stars.
Reading a card:↓ Downloads per weeki★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi
Reverse engineer anything from your terminal or agent with one CLI and MCP server.
A powerful toolkit for coding, providing semantic retrieval and editing capabilities.
No README found in the repo