Cronalert vs Sentry MCP
A side-by-side look at the Cronalert and Sentry MCP MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Cronalert for monitoring work as a local process; choose Sentry MCP for monitoring as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Cronalert when
- You need dedicated capabilities in the Monitoring domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: API key required.
- You have the keys it needs:
CRONALERT_API_KEY. - You want tools like
list_monitors, create_monitor, get_monitor.
Choose Sentry MCP when
- You need dedicated capabilities in the Monitoring domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: API key required.
- You have the keys it needs:
SENTRY_ACCESS_TOKEN, EMBEDDED_AGENT_PROVIDER, OPENAI_API_KEY, ANTHROPIC_API_KEY, OPENROUTER_API_KEY, OPENROUTER_MODEL, OPENROUTER_REASONING_EFFORT, SENTRY_HOST.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Monitoring | Monitoring |
| Quality signal | 57/100 · Good | 55/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | API key required | API key required |
| Pricing | BYOK (pay the provider) | Free |
| Required env vars | CRONALERT_API_KEY | SENTRY_ACCESS_TOKENEMBEDDED_AGENT_PROVIDEROPENAI_API_KEYANTHROPIC_API_KEYOPENROUTER_API_KEYOPENROUTER_MODELOPENROUTER_REASONING_EFFORTSENTRY_HOST |
| Verified owner | Community listing | Community listing |
| GitHub stars | 0 | 938 |
| Directory activity | 0 views 0 installs 0 upvotes | 6 views 0 installs 0 upvotes |
| Tools | 12 | Not listed |
| Full listing | View Cronalert | View Sentry MCP |
Tools & capabilities
Cronalert tools 12
list_monitorsList all monitors with status and response timescreate_monitorCreate an HTTP, heartbeat, or TCP port monitor (heartbeats take an expected interval and grace period)get_monitorGet details for a specific monitorupdate_monitorUpdate settings, heartbeat interval/grace, pause/resumedelete_monitorPermanently delete a monitorget_check_resultsCheck history with uptime % and response timesget_monitor_incidentsIncidents for a specific monitorlist_incidentsAll active incidents across monitorslist_status_pagesYour public status pagesadd_incident_updatePost a status update on an active incidentget_incident_updatesStatus updates for an incidentimport_monitorsImport monitors from UptimeRobot, Pingdom, Better Stack, StatusCake, Checkly, Oh Dear, Cronitor, Healthchecks.io, Dead Man's Snitch, Datadog, CronAlert JSON, or CSV
Sentry MCP tools
No tool names declared yet. Check the project README from the listing page.
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
Cronalert
{
"mcpServers": {
"cronalert": {
"command": "npx",
"args": [
"-y",
"cronalert-mcp"
],
"env": {
"CRONALERT_API_KEY": "YOUR_CRONALERT_API_KEY_HERE"
}
}
}
}
Sentry MCP
{
"mcpServers": {
"getsentry-sentry-mcp": {
"command": "npx",
"args": [
"-y",
"@sentry/mcp-server@latest"
],
"env": {
"SENTRY_ACCESS_TOKEN": "YOUR_SENTRY_ACCESS_TOKEN_HERE",
"EMBEDDED_AGENT_PROVIDER": "YOUR_EMBEDDED_AGENT_PROVIDER_HERE",
"OPENAI_API_KEY": "YOUR_OPENAI_API_KEY_HERE",
"ANTHROPIC_API_KEY": "YOUR_ANTHROPIC_API_KEY_HERE",
"OPENROUTER_API_KEY": "YOUR_OPENROUTER_API_KEY_HERE",
"OPENROUTER_MODEL": "YOUR_OPENROUTER_MODEL_HERE",
"OPENROUTER_REASONING_EFFORT": "YOUR_OPENROUTER_REASONING_EFFORT_HERE",
"SENTRY_HOST": "YOUR_SENTRY_HOST_HERE"
}
}
}
}
Frequently asked questions
Cronalert is categorized under Monitoring and uses a local stdio subprocess. Sentry MCP belongs to Monitoring and uses a local stdio subprocess. Pick Cronalert for monitoring work and Sentry MCP for monitoring.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.
Cronalert is bring-your-own-key: usage is billed by the API provider you supply a key for. Auth: api key required. Sentry MCP is listed as free. Auth: api key required. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add cronalert and getsentry-sentry-mcp as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Cronalert has a quality signal of 57/100 (Good) with 0 views, 0 installs and 0 GitHub stars. Sentry MCP has 55/100 (Good) with 6 views, 0 installs and 938 GitHub stars.