MCPquality 0.30
Letterbox
File-based comms protocol for AI-to-AI dialogue between terminal agents.
Price
free
Protocol
mcp
Verified
no
Endpoint
mcp://anthropic_mcp/io.github.dovahkiin-v%2Fletterbox
Capabilities
mcptransport-stdio
Server
URLmcp://anthropic_mcp/io.github.dovahkiin-v%2Fletterbox
Transportstdio
Protocolmcp
Quality
0.30/ 1.00
deterministic score 0.30 from registry signals: · indexed on anthropic_mcp
Provenance
Indexed fromanthropic_mcp
Enriched2026-10-05 07:42:47Z · deterministic:mcp:v1 · v1
First seen2026-08-24
Last seen2026-10-05