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TychiWallet

Tychi Wallet MCP

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Tychi MCP (@tychilabs/tyi-mcp)

npm beta node mcp chain custody website license

Audience: MCP host agents (OpenClaw, Claude Desktop, Cursor, Codex).
Not for humans. Human CLI: @tychilabs/tyi.

Self-custody wallet MCP. Keys in ~/.tyi. Brain at http://hosted_brain.tychilabs.com. Signing local only.

Tychi agent wallet architecture

Mandatory flow

tyi_route → tyi_status
  → direct tool (create/import/switch/onboard/reset)   ← FAST, no brain
  → tyi_chat only for balance/send/policy              ← SLOW

Never call tyi_chat when tyi_status.ready is false.

Import additional wallet: collect seed/privkey from operator → tyi_import_wallet — never via tyi_chat.

Related MCP server: Base Network MCP Server

Upcoming on Arbitrum One

Onchain DeFi for your agent wallet — same self-custody, same local signing, built for Arbitrum One:

Coming

What it unlocks

Automation

Policy-gated agents that act onchain 24/7 — recurring sends, triggers, scheduled flows

Trading

Spot swaps and routing across Arbitrum liquidity — agent quotes, you confirm, sign locally

Lending

Supply assets on Arbitrum money markets — earn yield without leaving your keystore

Borrowing

Collateralized borrow onchain — agent-assisted, cap-enforced, fully self-custodial

Native Arbitrum execution. UGF gas routing today. Full DeFi stack next.

Brain action

MCP tool

Status

import_wallet

tyi_import_wallet

done

create_wallet

tyi_create_wallet

done

switch_wallet

tyi_switch_wallet

done

reveal_wallet

tyi_reveal_wallet

missing

Tools

Tool

When

tyi_route

First — intent → tool map

tyi_create_wallet

User wants new wallet → not tyi_chat

tyi_import_wallet

User wants import → not tyi_chat

tyi_switch_wallet

Change active wallet → not tyi_chat

tyi_onboard

First setup

tyi_chat

Balance, send, pay, policy only

Operator prompts (you ask human; never invent secrets)

Field

Prompt

password

Keystore password for ~/.tyi → later TYI_PASSWORD in MCP env

agent_name

Agent name (default Tychi)

llm_provider

anthropic | gemini | openai | groq

llm_api_key

Provider API key (validated, stored encrypted on brain)

mnemonic

Optional import (fresh only)

Prefer MCP env for TYI_PASSWORD over chat after onboard.

Modes (tyi_status.mode)

Mode

Meaning

tyi_onboard needs

fresh

No wallet / incomplete

password, llm_provider, llm_api_key; optional agent_name, mnemonic

llm_only

Wallet exists, no LLM vault

Same LLM fields + password

ready

OK for chat

Do not onboard; use tyi_chat

MCP host config

{
  "tychi": {
    "command": "npx",
    "args": ["-y", "@tychilabs/tyi-mcp@beta"],
    "env": {
      "TYI_PASSWORD": "<from tyi_onboard>",
      "TYCHI_BRAIN_URL": "http://hosted_brain.tychilabs.com"
    }
  }
}

OpenClaw set:

openclaw mcp set tychi '{"command":"npx","args":["-y","@tychilabs/tyi-mcp@beta"],"env":{"TYI_PASSWORD":"<password>","TYCHI_BRAIN_URL":"http://hosted_brain.tychilabs.com"}}'
openclaw mcp reload

Remove integration + data

  1. tyi_reset with { "confirm": true } — wipes ~/.tyi

  2. Remove TYI_PASSWORD from MCP env

  3. OpenClaw: openclaw mcp unset tychi then openclaw mcp reload

Errors

Symptom

Action

not_ready on chat

Run onboard flow

TYI_PASSWORD env required

Set env after onboard; reload host

no_llm_key / missing llm_key

tyi_onboard llm_only

partial install

tyi_reset then fresh onboard

fetch failed on brain

Use http:// not https:// for hosted brain

Env

Var

Required

Default

TYI_PASSWORD

After onboard, for chat

—

TYCHI_BRAIN_URL

No

http://hosted_brain.tychilabs.com

TYI_DATA_DIR

No

~/.tyi

KEYSTORE_PASSWORD

Alias for TYI_PASSWORD

—

Install

npx -y @tychilabs/tyi-mcp@beta
npx @tychilabs/tyi-mcp@beta --tools

License

Apache License 2.0 — see LICENSE. Runtime dependency: @tychilabs/tyi.

Install Server
A
license - permissive license
A
quality
C
maintenance

How are these scores calculated?

Maintenance

–Maintainers
–Response time
–Release cycle
–Releases (12mo)
Commit activity

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