Shield vs 1Claw Vault — MCP Server Comparison | AllMCPs
Side-by-Side Model Context Protocol Comparison
Shield vs 1Claw Vault
In-depth architectural comparison of the Shield and 1Claw Vault MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.
At a Glance & Executive Verdict
Shield
Security · Local stdio
Quality: 63/100 (Good) | Auth: No auth required
1Claw Vault
Security · Local stdio
Quality: 60/100 (Good) | Auth: API Key required
Verdict Summary: Choose Shield if you need specialized Security tools running via a local process. Choose 1Claw Vault if your workspace requires Security integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.
Which MCP Server Should You Choose?
Choose Shield when:
You need dedicated capabilities in the Security domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: Pre-execution MCP call guardrails, TOFU tool-catalog pinning, Tool description and result scanning.
You need dedicated capabilities in the Security domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (Free / Open Source).
You have access to required keys: ONECLAW_AGENT_API_KEY, ONECLAW_AGENT_TOKEN, ONECLAW_VAULT_ID, ONECLAW_LOCAL_ONLY, ONECLAW_LOCAL_VAULT, ONECLAW_DAEMON_SOCKET, MCP_TRANSPORT, PORT.
Local guardrail proxy for AI coding agents. Wraps any MCP server (stdio or Streamable HTTP) and blocks destructive tool calls — DROP TABLE, rm -rf, force-push — before they execute. MCP supply-chain protection: TOFU tool-catalog pinning against rug pulls, plus tool-description and tool-result scanning for tool poisoning and prompt injection. 51 starter rules, approval gates, audit logging. Single binary, Apache-2.0.
HSM-backed vault secrets for AI agents (JIT fetch) plus prompt-injection and threat scanning.
Category & Scope
Tools & Capabilities Breakdown
Shield Tools (6)
Pre-execution MCP call guardrails
TOFU tool-catalog pinning
Tool description and result scanning
Approval gates and audit logging
Native agent hooks
Secret cloaking and taint tracking
1Claw Vault Tools (36)
list_secrets
List all secrets (metadata only — never values)
Ready-to-Paste Client Configurations
Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).
Shield is categorized under Security and uses a local stdio subprocess. In contrast, 1Claw Vault belongs to Security using local stdio subprocess. Select Shield when you need capabilities focused on security and 1Claw Vault when you require tools for security.
Fetch the decrypted value of a secret by path. Accepts optional `client_share` for MPC vaults.
put_secret
Create or update a secret (creates a new version). Response includes `client_share` when the vault has MPC enabled.
delete_secret
Soft-delete a secret at a path
describe_secret
Get metadata without fetching the value
rotate_and_store
Store a new value for an existing secret and return the version
rotate_generate
Server-side secret rotation with generated value (length, charset configurable)
list_versions
List all versions of a secret (version numbers, dates, disabled status)
get_env_bundle
Fetch an env_bundle secret and parse it as KEY=VALUE JSON
resolve_env
Resolve environment variables for a vault and environment (returns the final KEY=VALUE set with precedence applied). When the agent has `env_auto_resolve: true`, omit `environment` and the server uses the agent's tagged environment from the JWT.
create_vault
Create a new vault (auto-shared with the agent's human creator)
list_vaults
List all vaults the agent can access (own + shared)