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treeship

v0.31.4

Portable, cryptographically signed receipts for everything Claude Code does. Proof that stays true after the session ends.

Claude Code4 Skills1 MCP serverstdio

By Zerker LabsLicense: Apache-2.012 GitHub starsUpdated 6 days ago

Directory evidence

Runtimes
Claude Code
Parsed components
5 skill or MCP entries
Source updated
Sep 17, 2026
Manifest status
Canonical path parsed

The directory validates manifest shape and source location. It does not execute the plugin or provide a security endorsement. Review the indexing methodology →

Install treeship for Claude Code

Installs for the current user
claude plugin marketplace add IchenDEV/agent-plugin-mkt
claude plugin marketplace update agent-plugin-marketplace
claude plugin install treeship@agent-plugin-marketplace

Paste and run these commands in a terminal with Claude Code. They add and refresh the PluginsMP catalog, then install this plugin.

The installer fetches third-party code from the source repository shown on this page. This directory validates manifest structure and source location, but does not perform a security audit; review the manifest, components, and source before installing.

Get the source manually
git clone https://github.com/zerkerlabs/treeship

Clone the source repository, then follow its setup instructions to add the plugin to a compatible client. The plugin root is integrations/claude-code-plugin/.

Plugin files

integrations/claude-code-plugin/
├── .claude-plugin/plugin.json
├── skills/treeship-handshake/SKILL.md
├── skills/treeship-report/SKILL.md
├── skills/treeship-session/SKILL.md
├── skills/treeship-verify/SKILL.md
└── .mcp.json

Included Skills4

treeship-handshakeskills/treeship-handshake/SKILL.md

Use when another agent hands Claude work — a handoff, an A2A task, an envelope, a message saying "take this from agent://…" — or when someone asks Claude to prove who it is. Refuses foreign work until the sender proves live key control, and records the verify in the handoff.

treeship-reportskills/treeship-report/SKILL.md

Use when the user asks for "the URL", "a shareable link", "the proof I can send to <someone>", or otherwise wants the current Treeship session published as a session report on treeship.dev.

treeship-sessionskills/treeship-session/SKILL.md

Use when the user finishes a meaningful unit of work (bug fix, feature, migration, refactor) and you need to close out the current Treeship session with a headline, summary, and review note that captures what actually happened.

treeship-verifyskills/treeship-verify/SKILL.md

Use when the user shares a Treeship session report URL or a local .treeship receipt file and wants you to confirm it is authentic, the signatures hold, and the recorded actions match what the report claims.

MCP servers1

treeshipstdio
command
npx
args
-y @treeship/mcp
env.TREESHIP_ACTOR
agent://claude-code
env.TREESHIP_HUB_ENDPOINT
https://api.treeship.dev

Plugin manifests1

integrations/claude-code-plugin/.claude-plugin/plugin.json
{
  "name": "treeship",
  "description": "Portable, cryptographically signed receipts for everything Claude Code does. Proof that stays true after the session ends.",
  "version": "0.31.4",
  "author": {
    "name": "Zerker Labs",
    "email": "[email protected]",
    "url": "https://treeship.dev"
  },
  "homepage": "https://treeship.dev",
  "repository": "https://github.com/zerkerlabs/treeship",
  "license": "Apache-2.0",
  "keywords": [
    "treeship",
    "receipts",
    "attestation",
    "verification",
    "agent-trust",
    "cryptographic-signing",
    "session-receipts"
  ]
}

For maintainers

If you maintain this plugin, link to this source-backed listing from your README so users can review its manifest and indexed components.

[treeship on Agent Plugins Marketplace](https://pluginsmp.com/plugins/treeship)