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{
  "mcpServers": {
    "onchain-agent-wallets": {
      "command": "npx",
      "args": [
        "-y",
        "@three-ws/[email protected]"
      ],
      "env": {
        "OWNER_SECRET_KEY": "${OWNER_SECRET_KEY}",
        "OAW_NETWORK": "mainnet",
        "REQUIRE_CONFIRM": "true"
      }
    }
  }
}

claude mcp add onchain-agent-wallets -e "OWNER_SECRET_KEY=${OWNER_SECRET_KEY}" -e "OAW_NETWORK=mainnet" -e "REQUIRE_CONFIRM=true" -- npx -y @three-ws/[email protected]

[mcp_servers.onchain-agent-wallets]
command = "npx"
args = ["-y", "@three-ws/[email protected]"]
env = { "OWNER_SECRET_KEY" = "${OWNER_SECRET_KEY}", "OAW_NETWORK" = "mainnet", "REQUIRE_CONFIRM" = "true" }

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "onchain-agent-wallets": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "@three-ws/[email protected]"
      ],
      "enabled": true,
      "environment": {
        "OWNER_SECRET_KEY": "{env:OWNER_SECRET_KEY}",
        "OAW_NETWORK": "mainnet",
        "REQUIRE_CONFIRM": "true"
      }
    }
  }
}

{
  "mcpServers": {
    "onchain-agent-wallets": {
      "command": "npx",
      "args": [
        "-y",
        "@three-ws/[email protected]"
      ],
      "env": {
        "OWNER_SECRET_KEY": "${OWNER_SECRET_KEY}",
        "OAW_NETWORK": "mainnet",
        "REQUIRE_CONFIRM": "true"
      }
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=onchain-agent-wallets&config=eyJjb21tYW5kIjoibnB4IiwiYXJncyI6WyIteSIsIkB0aHJlZS13cy9vbmNoYWluLWFnZW50LXdhbGxldHNAMC4xLjEiXSwiZW52Ijp7Ik9XTkVSX1NFQ1JFVF9LRVkiOiIke09XTkVSX1NFQ1JFVF9LRVl9IiwiT0FXX05FVFdPUksiOiJtYWlubmV0IiwiUkVRVUlSRV9DT05GSVJNIjoidHJ1ZSJ9fQ%3D%3D"
}

{
  "servers": {
    "onchain-agent-wallets": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@three-ws/[email protected]"
      ],
      "env": {
        "OWNER_SECRET_KEY": "${OWNER_SECRET_KEY}",
        "OAW_NETWORK": "mainnet",
        "REQUIRE_CONFIRM": "true"
      }
    }
  }
}

{
  "mcpServers": {
    "onchain-agent-wallets": {
      "command": "npx",
      "args": [
        "-y",
        "@three-ws/[email protected]"
      ],
      "env": {
        "OWNER_SECRET_KEY": "${OWNER_SECRET_KEY}",
        "OAW_NETWORK": "mainnet",
        "REQUIRE_CONFIRM": "true"
      }
    }
  }
}

extensions:
  "onchain-agent-wallets":
    enabled: true
    name: "onchain-agent-wallets"
    type: stdio
    cmd: "npx"
    args:
      - "-y"
      - "@three-ws/[email protected]"
    envs:
      "OWNER_SECRET_KEY": "${OWNER_SECRET_KEY}"
      "OAW_NETWORK": "mainnet"
      "REQUIRE_CONFIRM": "true"
    timeout: 300

Placeholders to fill from your own secret store: ${OWNER_SECRET_KEY}. The registry never accepts secret values.

This is a local package: the command runs on your machine.

Quality – / 100not scored

Not scored: fewer than three checks apply, usually because no remote answered a credential-free probe or the server is a local package.

protocoln/a · weight 25

n/a
protocol.modern, protocol.stateless, protocol.transport, protocol.list_ttlno remote answered a protocol handshake (not probed yet, unreachable, or local-only)

authorizationn/a · weight 15

n/a
auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
n/a
auth.secret_in_urlno templated URL

tool hygienen/a · weight 30

n/a
tools.descriptions, tools.description_length, tools.schemas, tools.annotations, tools.directory_hints, tools.token_cost, tools.api_dumptool list unknown (behind auth, not probed, or empty)

stabilityn/a · weight 15

n/a
stability.changes, stability.rug_pulltool list unknown

dependencies83 · weight 15

warn
deps.known_vulns5 advisories of lower severity or without a published fix: GHSA-3gc7-fjrx-p6mg in [email protected] (indirect, no fix yet), GHSA-528h-pc64-c93x in [email protected] (indirect, fixed in 3.5.0), GHSA-hqr4-qq8f-hg3x in [email protected] (indirect, fixed in 3.6.0), ...
pass
deps.mcp_sdk_version@modelcontextprotocol/sdk 1.32.1, no known advisory
pass
deps.resolvable@three-ws/[email protected] resolved: 303 packages

Tool list unknown · checked 2026-10-19 21:42 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 96 / 100

provenance90

livenessn/a

freshness100

hygiene100

+repository +namespace-matches-repo +website ~liveness-unmeasured +updated-9d-ago

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Dependencies

@three-ws/[email protected] npm302 dependencies, resolved · MCP SDK @modelcontextprotocol/sdk 1.32.1 · advisories checked 2026-10-19

advisory	severity	package	fixed in
GHSA-3gc7-fjrx-p6mgbigint-buffer Vulnerable to Buffer Overflow via toBigIntLE() Function	high	`[email protected]`indirect	no fix yet
GHSA-528h-pc64-c93xstream-json: pick/ignore/filter/replace filters are O(depth²) on nested input — small crafted JSON blocks the event loop for seconds→minutes (DoS)	moderate	`[email protected]`indirect	fixed in `3.5.0`
GHSA-hqr4-qq8f-hg3xstream-json: JSONC parser and verifier re-scan the whole accumulated comment on every input chunk	moderate	`[email protected]`indirect	fixed in `3.6.0`
GHSA-mjw6-4jj6-33hcstream-json has a prototype pollution issue: Assembler writes this.current[this.key] on plain objects	moderate	`[email protected]`indirect	fixed in `3.6.0`
GHSA-w5hq-g745-h8pquuid: Missing buffer bounds check in v3/v5/v6 when buf is provided	moderate	`[email protected]`indirect	fixed in `11.1.1`

Dependency graphs from deps.dev; advisories from OSV.dev, including the GitHub Advisory Database and the PyPI Advisory Database; all CC BY 4.0. The graph is what a clean install of this version resolves today; nothing was installed or run. How it is checked.

Endpoints

package	registry	version	runtime	secrets
`@three-ws/onchain-agent-wallets`	npm	0.1.1	npx	`OWNER_SECRET_KEY`

Tools (0)

No tools observed. Local packages are never executed by the registry.

Schemas: list_tools.

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Official server.json

{
  "name": "io.github.nirholas/onchain-agent-wallets",
  "icons": [
    {
      "src": "https://three.ws/three-ws-mcp-icon.svg",
      "sizes": [
        "any"
      ],
      "mimeType": "image/svg+xml"
    }
  ],
  "title": "Onchain Agent Wallets",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "version": "0.1.1",
  "packages": [
    {
      "version": "0.1.1",
      "transport": {
        "type": "stdio"
      },
      "identifier": "@three-ws/onchain-agent-wallets",
      "runtimeHint": "npx",
      "registryType": "npm",
      "environmentVariables": [
        {
          "name": "OWNER_SECRET_KEY",
          "format": "string",
          "isSecret": true,
          "description": "Owner secret key, base58 or a JSON byte array. Optional: without it every owner action is returned as an unsigned transaction for Phantom, Solflare, Backpack, or a Ledger to sign."
        },
        {
          "name": "OAW_NETWORK",
          "format": "string",
          "default": "mainnet",
          "description": "Cluster: mainnet or devnet. Defaults to mainnet. State is kept per network, so a devnet rehearsal never touches mainnet agents."
        },
        {
          "name": "SOLANA_RPC_URL",
          "format": "string",
          "description": "HTTPS Solana RPC endpoint. Defaults to the public endpoint for the configured network; bring your own (Helius / Quicknode / Triton) for production."
        },
        {
          "name": "OAW_STATE_DIR",
          "format": "string",
          "description": "Where agent keypairs, guardrails, and the spend ledger are stored. Defaults to ~/.onchain-agent-wallets, written 0600 inside a 0700 directory."
        },
        {
          "name": "REQUIRE_CONFIRM",
          "format": "boolean",
          "default": "true",
          "description": "Refuse to broadcast anything that moves value until the call is re-issued with confirm:true. Default true."
        }
      ]
    }
  ],
  "repository": {
    "url": "https://github.com/nirholas/onchain-agent-wallets",
    "source": "github"
  },
  "websiteUrl": "https://three.ws",
  "description": "Give an AI agent a Solana spending allowance instead of your key. Chain-enforced cap, x402."
}