com.chaingrantor/grantor-mcp

Is the com.chaingrantor/grantor-mcp MCP server down? Yes. It has given no valid answer since 2026-10-20: crashed on start.

Wrap any MCP server with enforced, bounded, revocable permissions — grant, narrow, check, revoke.

crashed on start down since 2026-10-20 · probed 2026-11-15 · unchanged since 2026-10-27

MCP error -32000: Connection closed
grantor-mcp: grantor-mcp: unknown verb "" — expected one of: serve, grant, delegate, check, revoke, status, setup-sandbox, w

Run it: npx -y @grantor/mcp@0.2.0 (stdio, probed in a container with the network off)
Host: npmjs.com
Website: https://chaingrantor.com/docs/guide/mcp-broker.html
Registry: active, updated 2026-09-01 · registry entry

Compare this server with others.

More servers

Other registry entries on npmjs.com, the ones next to this name; all of them.

com.capanix/capanix-tools · alive
com.carbikly/carbikly-tools · alive
com.casemargin/casemargin-mcp-server · alive
Causabi GEO Optimizer com.causabi/geo-optimizer-mcp · alive
com.chartforgeai/chartforge · alive
Check AI Free — Image Source Clues com.checkaifree/ai-image-detector · alive
Clarity UK property data com.claritypropertyinvestments/property · alive
com.clauderecall/recall · crashed on start

Servers that mention permissions or revocable.

Fullmakt ai.fullmakt/fullmakt · needs auth
Supercut ai.supercut/mcp · needs auth
Yappy documentation biz.yappy/yappy-docs · alive
Uproar chat.uproar/uproar · needs auth
Agent Distribution com.agentdistributionservices/agent-distribution · alive
agentleFS com.agentlefs/agentlefs · needs auth
EnvelopeBudget com.envelopebudget/mcp · needs auth
Oryah Mail com.infinihash/oryah-mail · 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.

Atom feed

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

No valid answer since 2026-10-20, in every probe since then.
The process exited on start before it answered initialize. The error output is above.