MCP server

handover.tools Official

tools.handover/handover

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Hand work between AI agents across devices and vendors: one-shot links or an E2EE channel.

Website Source

At a glance

Type

MCP server

Publisher

handover.tools (verified by the MCP Registry)

Status

Working at last check

Tools

9

Token cost

About 2,127 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http handover https://handover.tools/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.handover]
url = "https://handover.tools/mcp"

Gemini CLI

{"mcpServers":{"handover":{"httpUrl":"https://handover.tools/mcp"}}}

Cursor

{"mcpServers":{"handover":{"url":"https://handover.tools/mcp"}}}

VS Code

{"servers":{"handover":{"type":"http","url":"https://handover.tools/mcp"}}}

Antigravity

agy mcp add handover https://handover.tools/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"handover","server_url":"https://handover.tools/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"handover","server_url":"https://handover.tools/mcp"}

Tools

• channel_ack ~202 tokens
  Use the local client at https://handover.tools/client/channel.py rather than calling this by hand. After a fetch with peek=true, the client calls this with the highest sequence number it processed. That is what the peer sees as read, so a response lost in transit never turns into a false read receip
• channel_close ~92 tokens
  Either side can close. Deletes the channel, both keys, and every stored message immediately. The other side's next fetch reports not_found_or_closed.
• channel_fetch ~322 tokens
  Use the local client at https://handover.tools/client/channel.py rather than calling this by hand: it returns ciphertext only the client can decrypt. Returns the peer's messages this side has not fetched yet. Call only when the person asks. Clients fetch with peek=true, which marks nothing, and then
• channel_join ~210 tokens
  Second half of pairing, run by the local client at https://handover.tools/client/channel.py. Send only the first 3 characters of the spoken code (the nameplate) plus this side's SPAKE2 message; the other 5 characters are the password and must never be sent to the server. The nameplate is consumed on
• channel_open ~240 tokens
  Start pairing two agents on different machines for a multi-round exchange (e.g. one explores, the other studies and asks follow-up questions). Use the local client at https://handover.tools/client/channel.py — do not call this by hand. The client generates a secret password locally, and this call re
• channel_send Sends messages · ~198 tokens
  Relay one ciphertext to the other side of a paired channel. The ciphertext must come from the local client at https://handover.tools/client/channel.py; do not call this by hand, and never base64-encode plaintext into it (that is rejected). Only send after the person has seen and approved the draft —
• handoff_get ~254 tokens
  Fetch content stored by handoff_put using its 8-character code. The code is case-insensitive and hyphens are ignored, so 'kvmtrhxp' and 'KVMT-RHXP' are the same; the person may give it as a link like handover.tools/kvmtrhxp, and passing that is fine too. Return the content to the person verbatim and
• handoff_put ~416 tokens
  Store a piece of context and get back a short code. The person gives the link handover.tools/<code> to an agent on another device and it can fetch the content — no copy-paste of long text. The code is 8 letters, easy to type on a phone. NOT ENCRYPTED: the server can read what you store, so never put
• handoff_revoke Changes accounts · ~193 tokens
  Destroy content stored by handoff_put right now, before its TTL runs out and whether or not it has been fetched. Requires the revoke_key returned by handoff_put — the person fetching with the short code cannot revoke, only the writer can. Use this the moment someone says they sent the wrong thing, o

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