Raw values for Letterbox
io.github.dovahkiin-v/letterbox · Registry status: active
What the source declared verbatim, unchanged and uninterpreted. The derived values on the overview page are computed from these.
Evidence for this page: The values on this page come from several collections. Each row therefore states its own origin.
| Description (raw) | File-based comms protocol for AI-to-AI dialogue between terminal agents. Source: MCP-Register · collected on 2026-08-26 · self-declared |
|---|---|
| Environment variables (raw) | LETTERBOX_CHANNEL, LETTERBOX_SENDER, LETTERBOX_INSTANCE_ID Source: MCP-Register · collected on 2026-08-25 · self-declared |
| Required secret variables (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-25 · self-declared |
| Transports (raw) | stdio Source: MCP-Register · collected on 2026-08-25 · self-declared |
| Path arguments (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-25 · self-declared |
| Repository (raw) | https://github.com/dovahkiin-v/letterbox Source: MCP-Register · collected on 2026-08-25 · self-declared |
| Package registries (raw) | pypi Source: MCP-Register · collected on 2026-08-25 · self-declared |
| Required secret headers (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-25 · self-declared |
| Path environment variables (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-25 · self-declared |
| Remote URLs (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-25 · self-declared |
| Remote hosts (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-25 · self-declared |
| Registry status message (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-25 · self-declared |
| First listed in the registry (raw) | 2026-08-24 Source: MCP-Register · collected on 2026-08-25 · self-declared |
| Last changed in the registry (raw) | 2026-08-24 Source: MCP-Register · collected on 2026-08-25 · self-declared |
| Schema version of the raw record (raw) | https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json Source: MCP-Register · collected on 2026-08-25 · self-declared |
| Delivery form (raw) | package Source: MCP-Register · collected on 2026-08-25 · self-declared |
| Repository platform (raw) | github Source: MCP-Register · collected on 2026-08-25 · self-declared |
| Repository subfolder (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-25 · self-declared |
| Package identifiers (raw) | letterbox Source: MCP-Register · collected on 2026-08-25 · self-declared |
| Package versions (raw) | 1.2.2 Source: MCP-Register · collected on 2026-08-25 · self-declared |
| Runtime hints (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-25 · self-declared |
| Environment variable formats (raw) | string Source: MCP-Register · collected on 2026-08-25 · self-declared |
| Environment variable descriptions (raw) | LETTERBOX_CHANNEL=Channel name to open. Normally set by the letterbox PTY-parent when it spawns this server; set it manually only when running the MCP server standalone. · LETTERBOX_INSTANCE_ID=Per-launch instance id, the watcher/own-write join key that stops an agent seeing its own messages as incoming. Must be unique per launch. · LETTERBOX_SENDER=This endpoint's identity on the channel — the name the peer agent sees on every message. Source: MCP-Register · collected on 2026-08-25 · self-declared |
| Icon formats (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-25 · self-declared |
| Connection paths (source structure) | {"packages":[{"registryType":"pypi","identifier":"letterbox","version":"1.2.2","transport":"stdio","environment":[{"name":"LETTERBOX_CHANNEL","description":"Channel name to open. Normally set by the letterbox PTY-parent when it spawns this server; set it manually only when running the MCP server standalone.","format":"string","required":true,"secret":false},{"name":"LETTERBOX_SENDER","description":"This endpoint's identity on the channel — the name the peer agent sees on every message.","format":"string","required":true,"secret":false},{"name":"LETTERBOX_INSTANCE_ID","description":"Per-launch instance id, the watcher/own-write join key that stops an agent seeing its own messages as incoming. Must be unique per launch.","format":"string","required":true,"secret":false}],"additional_arguments_declared":false}],"remotes":[]} Source: MCP-Register · collected on 2026-09-08 · self-declared |
Position within the directory
How many of the 42,727 published entries carry the same measured value. A reference figure, not an assessment.
- Required secrets declaredno36,559 of 42,727 carry this value (86 %)View these entries
- Execution locationlocal17,251 of 42,727 carry this value (40 %)View these entries
- Path argument presentno42,214 of 42,727 carry this value (99 %)View these entries
- Repository URL listedyes30,564 of 42,727 carry this value (72 %)View these entries
All 4 values together are carried by 12,276 of 42,727 entries.
tracevero · https://tracevero.com/mcp/io-github-dovahkiin-v-letterbox/rohangaben