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ChainMemory vs Smithery

Smithery is a registry for MCP servers; ChainMemory is an MCP-compatible memory layer with verification.

Which to pick

Pick ChainMemory if you want…

  • Cross-model verifiable AI memory

Pick Smithery if you want…

  • Managed MCP server registry
  • MCP server discovery

Side by side

What it is
ChainMemory:ChainMemory provides portable, verifiable, persistent memory for AI agents across models via Chrome extension, MCP server, or REST API.
Smithery:Smithery is a registry and hosting platform for MCP servers that lets AI agents connect to tools with built-in auth, credentials and session management.
Best for
ChainMemory:Cross-model verifiable AI memory
Smithery:Managed MCP server registry
Who it’s for
ChainMemory:Developers building AI agents that need cross-model context and audit-ready memory.
Smithery:Developers building AI agents that need easy access to MCP tools and services
Pricing
ChainMemory:Freemium
Smithery:Freemium
Plans
ChainMemory:Free $0
Smithery:Hobby Free · Pay as you Go $10/mo per month
Works with
ChainMemory:Chrome extension, MCP server, REST API, Node.js, Python, Go
Smithery:—

ChainMemory features

  • Cross-model portability. Save memories in one model (e.g., ChatGPT) and recall them in others like Claude or Gemini.
  • Cryptographic verification. Each memory gets a hash and project states are anchored with Merkle proofs for immutable integrity.
  • Project Brain. Aggregates memories into a structured, queryable project state with decisions, milestones and risks.
  • Multi-agent native support. Multiple agents share a single consolidated state with full attribution.
  • Chrome extension & MCP server. One-click saving from chat windows or direct integration via MCP for any client.
  • REST API & SDKs. Full API and Node.js/Python/Go SDKs to save, search, inject context and verify states programmatically.

Smithery features

  • MCP Server Registry. Find and list MCP servers for agents to discover and use.
  • Hosted MCP Servers. Host your own MCP server with built-in management.
  • Managed OAuth. Provides OAuth handling without requiring developers to manage keys.
  • Persistent Connections. Keeps agent sessions alive for continuous interactions.
  • RPC Quotas. Offers tiered RPC limits (50K free, 100K paid) for API calls.
  • Namespace Support. Supports multiple namespaces for organizing tools.

ChainMemory vs Smithery FAQ

Is ChainMemory or Smithery free?+

ChainMemory has a free plan and paid plans. Smithery has a free plan (Hobby); paid plans start at $10/month (Pay as you Go).

On DevHunt

ChainMemory

1 upvote · Launched on DevHunt on Jul 21, 2026

Smithery

Listed by DevHunt

Based on each tool's website and DevHunt data. Details may change; check the official sites.