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ChainMemory

L0· runs locally

Verifiable, portable AI memory. Optional vault: encrypted on your machine, 12 words only you hold.

v2.10.0 · active · repository · website · descriptor JSON · versions

Runs on your machine: something must execute the package.Only local packages are published (npm, PyPI, OCI, …). The registry never executes them, so tools are unknown until you run it.
Quality–not scored
Trust96of 100
Packages1
Tools seen0

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "chainmemory": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "CHAINMEMORY_API_KEY": "${CHAINMEMORY_API_KEY}",
        "CHAINMEMORY_SEED_PHRASE": "${CHAINMEMORY_SEED_PHRASE}",
        "AICHAIN_KEY": "${AICHAIN_KEY}"
      }
    }
  }
}
claude mcp add chainmemory -e "CHAINMEMORY_API_KEY=${CHAINMEMORY_API_KEY}" -e "CHAINMEMORY_SEED_PHRASE=${CHAINMEMORY_SEED_PHRASE}" -e "AICHAIN_KEY=${AICHAIN_KEY}" -- npx -y [email protected]
[mcp_servers.chainmemory]
command = "npx"
args = ["-y", "[email protected]"]
env = { "CHAINMEMORY_API_KEY" = "${CHAINMEMORY_API_KEY}", "CHAINMEMORY_SEED_PHRASE" = "${CHAINMEMORY_SEED_PHRASE}", "AICHAIN_KEY" = "${AICHAIN_KEY}" }
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "chainmemory": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "[email protected]"
      ],
      "enabled": true,
      "environment": {
        "CHAINMEMORY_API_KEY": "{env:CHAINMEMORY_API_KEY}",
        "CHAINMEMORY_SEED_PHRASE": "{env:CHAINMEMORY_SEED_PHRASE}",
        "AICHAIN_KEY": "{env:AICHAIN_KEY}"
      }
    }
  }
}
{
  "mcpServers": {
    "chainmemory": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "CHAINMEMORY_API_KEY": "${CHAINMEMORY_API_KEY}",
        "CHAINMEMORY_SEED_PHRASE": "${CHAINMEMORY_SEED_PHRASE}",
        "AICHAIN_KEY": "${AICHAIN_KEY}"
      }
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=chainmemory&config=eyJjb21tYW5kIjoibnB4IiwiYXJncyI6WyIteSIsImNoYWlubWVtb3J5LW1jcEAyLjEwLjAiXSwiZW52Ijp7IkNIQUlOTUVNT1JZX0FQSV9LRVkiOiIke0NIQUlOTUVNT1JZX0FQSV9LRVl9IiwiQ0hBSU5NRU1PUllfU0VFRF9QSFJBU0UiOiIke0NIQUlOTUVNT1JZX1NFRURfUEhSQVNFfSIsIkFJQ0hBSU5fS0VZIjoiJHtBSUNIQUlOX0tFWX0ifX0%3D"
}
{
  "servers": {
    "chainmemory": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "CHAINMEMORY_API_KEY": "${CHAINMEMORY_API_KEY}",
        "CHAINMEMORY_SEED_PHRASE": "${CHAINMEMORY_SEED_PHRASE}",
        "AICHAIN_KEY": "${AICHAIN_KEY}"
      }
    }
  }
}
{
  "mcpServers": {
    "chainmemory": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "CHAINMEMORY_API_KEY": "${CHAINMEMORY_API_KEY}",
        "CHAINMEMORY_SEED_PHRASE": "${CHAINMEMORY_SEED_PHRASE}",
        "AICHAIN_KEY": "${AICHAIN_KEY}"
      }
    }
  }
}
extensions:
  "chainmemory":
    enabled: true
    name: "chainmemory"
    type: stdio
    cmd: "npx"
    args:
      - "-y"
      - "[email protected]"
    envs:
      "CHAINMEMORY_API_KEY": "${CHAINMEMORY_API_KEY}"
      "CHAINMEMORY_SEED_PHRASE": "${CHAINMEMORY_SEED_PHRASE}"
      "AICHAIN_KEY": "${AICHAIN_KEY}"
    timeout: 300

Placeholders to fill from your own secret store: ${CHAINMEMORY_API_KEY}, ${CHAINMEMORY_SEED_PHRASE}, ${AICHAIN_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
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvabledeps.dev does not know [email protected]

Tool list unknown · checked 2026-10-19 15:48 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

[email protected] npmthis version is not known to the dependency resolver

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

packageregistryversionruntimesecrets
chainmemory-mcpnpm2.10.0–CHAINMEMORY_API_KEY, CHAINMEMORY_SEED_PHRASE, AICHAIN_KEY

Tools (0)

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

Schemas: list_tools.

Similar MCP servers

Official server.json
{
  "name": "io.github.chaelynet/chainmemory",
  "icons": [
    {
      "src": "https://chainmemory.ai/static/android-chrome-192.png",
      "sizes": [
        "192x192"
      ],
      "mimeType": "image/png"
    }
  ],
  "title": "ChainMemory",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "version": "2.10.0",
  "packages": [
    {
      "version": "2.10.0",
      "transport": {
        "type": "stdio"
      },
      "identifier": "chainmemory-mcp",
      "registryType": "npm",
      "environmentVariables": [
        {
          "name": "CHAINMEMORY_API_KEY",
          "format": "string",
          "isSecret": true,
          "isRequired": true,
          "description": "ChainMemory API key. REQUIRED for every tool except chainmemory_seal. Get one at https://faucet.chainmemory.ai"
        },
        {
          "name": "CHAINMEMORY_SEED_PHRASE",
          "format": "string",
          "isSecret": true,
          "description": "12-word BIP-39 phrase for the blind vault. Optional: without it the server works exactly as before. With it, sealed:true encrypts a memory on your machine and computes its search vector here, so sealed memories can still be found, and searches send the query's vector instead of its text. Generate one with chainmemory_new_seed. It never leaves your machine and cannot be recovered."
        },
        {
          "name": "CHAINMEMORY_API_BASE",
          "format": "string",
          "description": "API base URL (default: https://api.chainmemory.ai)"
        },
        {
          "name": "CHAINMEMORY_MODELS_DIR",
          "format": "string",
          "description": "Folder for the 45 MB search model used with the blind vault (default: ~/.chainmemory/models). Downloaded once from models.chainmemory.ai and checked against its SHA-256 anchored on ChainMemory's chain."
        },
        {
          "name": "CHAINMEMORY_ALLOW_FULL",
          "format": "string",
          "description": "Set to 1 to let get_project_brief return the FULL level (addresses, ports, server paths and security rules) when you ask for it. Leave it empty to keep every brief at the public level, which is safe to paste anywhere. Works only with the owner's key, and ChainMemory logs every full-level request."
        },
        {
          "name": "AICHAIN_KEY",
          "format": "string",
          "isSecret": true,
          "description": "NOT NEEDED for normal use — leave it empty. Only the chainmemory_seal tool reads it, to sign a contract call yourself instead of letting the API anchor the memory (which chainmemory_remember already does). If you do set it, it is a wallet private key: use a dedicated wallet holding only a few AIC, never your main one. No other tool uses it."
        },
        {
          "name": "AICHAIN_RPC",
          "format": "string",
          "description": "RPC endpoint used only by chainmemory_seal (default: https://rpc.chainmemory.ai). Leave it empty unless you set AICHAIN_KEY."
        }
      ]
    }
  ],
  "repository": {
    "url": "https://github.com/chaelynet/chainmemory-mcp",
    "source": "github"
  },
  "websiteUrl": "https://chainmemory.ai",
  "description": "Verifiable, portable AI memory. Optional vault: encrypted on your machine, 12 words only you hold."
}