mcp

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MCP server for Tickstem — exposes cron job scheduling, uptime monitoring, heartbeat monitoring, and email verification as native tools for AI coding assistants (Claude, Cursor, Copilot, and any MCP-compatible agent).

Let your AI assistant register cron jobs, create uptime monitors with response assertions, manage heartbeat monitors, verify email addresses, and query results — while you write the app code.

Install

Download a pre-built binary (no Go required):

Platform	Binary
macOS (Apple Silicon)	tsk-mcp-darwin-arm64
macOS (Intel)	tsk-mcp-darwin-amd64
Linux (x86-64)	tsk-mcp-linux-amd64
Linux (ARM64)	tsk-mcp-linux-arm64
Windows (x86-64)	tsk-mcp-windows-amd64.exe

Download from Releases, make executable, and place on your PATH:

# macOS / Linux example
chmod +x tsk-mcp-darwin-arm64
mv tsk-mcp-darwin-arm64 /usr/local/bin/tsk-mcp

Or install with Go:

go install github.com/tickstem/mcp/cmd/tsk-mcp@latest

Quick start

export TICKSTEM_API_KEY=tsk_your_key_here
tsk-mcp

The server speaks the Model Context Protocol over stdio — connect it to any MCP-compatible client.

Claude Code

Add to your ~/.claude/claude_desktop_config.json (or equivalent):

{
  "mcpServers": {
    "tickstem": {
      "command": "tsk-mcp",
      "env": {
        "TICKSTEM_API_KEY": "tsk_your_key_here"
      }
    }
  }
}

Available tools

Cron jobs

Tool	Description
list_jobs	List all cron jobs in the account
get_job	Get a cron job by ID
register_job	Register a new cron job (name, schedule, endpoint)
update_job	Update an existing job — only provided fields change
pause_job	Pause a job so it no longer fires
resume_job	Resume a paused or failing job
delete_job	Permanently delete a job and its execution history
list_executions	List execution history for a job, most recent first

Uptime monitoring

Tool	Description
list_monitors	List all monitors — status, URL, interval, SSL expiry, assertions
create_monitor	Create a monitor with optional response assertions (status code, response time, body)
get_monitor	Get a monitor by ID
pause_monitor	Pause a monitor so it stops polling
resume_monitor	Resume a paused monitor
delete_monitor	Permanently delete a monitor and its check history
list_monitor_checks	List recent checks — status, HTTP code, duration, error, SSL expiry

Response assertions

create_monitor accepts an assertions parameter — a JSON array of conditions that must all pass for a check to be considered up. When assertions are set they replace the default 2xx/3xx logic.

[
  { "source": "status_code",   "comparison": "eq",       "target": "200"              },
  { "source": "response_time", "comparison": "lt",       "target": "2000"             },
  { "source": "body",          "comparison": "contains", "target": "\"status\":\"ok\"" }
]

Source	Valid comparisons	Target
status_code	eq ne lt lte gt gte	integer string
response_time	eq ne lt lte gt gte	integer string (ms)
body	eq ne contains not_contains	plain string

Heartbeat monitoring

Tool	Description
list_heartbeats	List all heartbeats — status, token, interval, grace window, last ping time
create_heartbeat	Create a heartbeat monitor (dead-man's switch)
get_heartbeat	Get a heartbeat by ID
update_heartbeat	Update name, interval, or grace window
pause_heartbeat	Suppress alerts during planned downtime
resume_heartbeat	Resume alerting after a pause
delete_heartbeat	Permanently delete a heartbeat and its ping history
ping_heartbeat	Record a successful job run — no API key needed, token is the credential
list_heartbeat_pings	List recent pings for a heartbeat, most recent first

Email verification

Tool	Description
verify_email	Check syntax, MX records, disposable domain, and role-based prefix
list_verify_history	List past verification results for the account

Environment variables

Variable	Required	Description
TICKSTEM_API_KEY	Yes	API key from app.tickstem.dev
TICKSTEM_BASE_URL	No	Override API base URL (e.g. http://localhost:8080/v1 for local dev)

Local development

export TICKSTEM_API_KEY=tsk_your_key_here
export TICKSTEM_BASE_URL=http://localhost:8080/v1
go run ./cmd/tsk-mcp

SDKs

The MCP server handles infrastructure management from your AI assistant. For application code, use the SDK that matches your language:

Language	Install	Docs
Python	pip install tickstem	github.com/tickstem/python
Go (cron)	go get github.com/tickstem/cron	pkg.go.dev
Go (uptime)	go get github.com/tickstem/uptime	pkg.go.dev
Go (heartbeat)	go get github.com/tickstem/heartbeat	pkg.go.dev
Go (verify)	go get github.com/tickstem/verify	pkg.go.dev
Node.js	npm install @tickstem/cron	github.com/tickstem/node

All SDKs use the same API key.

Get an API key

app.tickstem.dev — free tier includes 1,000 cron executions, 5 uptime monitors, 5 heartbeat monitors, and 500 email verifications per month.

License

MIT