MCP Radar
MCP Server

memory

com.borisinc/memory
AI & Agents Public & reachable MCP 2025-11-25

What this MCP does

Stores, searches, imports, exports, updates, and deletes persistent wallet-scoped memories for agents.

Capabilities

Tools

8 tools
memory_export
Export memories in YOUR payer-wallet namespace (up to 1000/call, newest first; use offset to page through namespaces >1000). Your data is yours. Includes superseded_by so history is exportable. Paid: $0.01 via x402.
Input schema 
{'type': 'object', 'properties': {'offset': {'type': 'integer', 'description': 'row offset for paging past the first 1000 (default 0)'}}}
memory_forget
Delete memories by id from YOUR namespace (or a namespace you hold a write/rw grant for). Max 100 ids per call. Paid: $0.001 per call via x402.
Input schema 
{'type': 'object', 'required': ['ids'], 'properties': {'ids': {'type': 'array', 'items': {'type': 'integer'}, 'description': 'memory ids to delete (max 100)'}}}
memory_import
Bulk-write memories into YOUR namespace (max 200/call, content <=8k chars each). Accepts the exact shape memory_export emits, so a whole namespace can move in with one paid call. Embeds best-effort; missing embeddings are backfilled hourly. Paid: $0.01 flat via x402.
Input schema 
{'type': 'object', 'required': ['memories'], 'properties': {'memories': {'type': 'array', 'items': {'type': 'object', 'required': ['content'], 'properties': {'ts': {'type': 'number'}, 'tags': {'type': 'array', 'items': {'type': 'string'}}, 'content': {'type': 'string'}}}, 'description': 'up to 200 items'}}}
memory_search
Semantic search over YOUR stored memories (payer-wallet namespace). Returns top-k by embedding similarity. Paid: $0.002 per search via x402.
Input schema 
{'type': 'object', 'required': ['query'], 'properties': {'k': {'type': 'integer', 'description': 'max results (default 5, cap 20)'}, 'query': {'type': 'string'}}}
memory_search_free
FREE (no payment): semantic search over YOUR namespace, proven by an EIP-191 personal_sign. Same wallet_auth scheme as memory_write_free. Capped at 500 searches / rolling 30 days per wallet.
Input schema 
{'type': 'object', 'required': ['query', 'wallet_auth'], 'properties': {'k': {'type': 'integer', 'description': 'max results (default 5, cap 20)'}, 'query': {'type': 'string'}, 'wallet_auth': {'type': 'string', 'description': 'base64 JSON {address,ts,signature}'}}}
memory_stats
FREE: count + last-write timestamp for any wallet namespace. Content is never returned on the free tier.
Input schema 
{'type': 'object', 'required': ['namespace'], 'properties': {'namespace': {'type': 'string', 'description': 'wallet address'}}}
memory_write
Store a memory permanently. Namespaced to YOUR paying wallet — your wallet is your private memory store. Semantic-indexed for later search. Optional supersedes=[ids] marks prior memories in your namespace as superseded by this one (excluded from search, still visible in export with their superseded_by id) — a Zep-style update-in-place without ever losing history. Paid: $0.001 per write via x402 (payment in _meta['x402/payment']).
Input schema 
{'type': 'object', 'required': ['content'], 'properties': {'tags': {'type': 'array', 'items': {'type': 'string'}}, 'content': {'type': 'string', 'description': 'The memory text (max 8000 chars)'}, 'supersedes': {'type': 'array', 'items': {'type': 'integer'}, 'description': 'ids of prior memories (same namespace) that this write supersedes'}}}
memory_write_free
FREE (no payment): store a memory in YOUR namespace, proven by an EIP-191 personal_sign instead of an x402 payment. wallet_auth = base64 JSON {address,ts,signature} where signature = personal_sign of 'borismem-free:<address>:<ts>' (ts within 600s). Writes to the SAME namespace paid calls use. Capped at 1000 writes / rolling 30 days per wallet; over cap returns an error pointing to the paid tier.
Input schema 
{'type': 'object', 'required': ['content', 'wallet_auth'], 'properties': {'tags': {'type': 'array', 'items': {'type': 'string'}}, 'content': {'type': 'string', 'description': 'The memory text (max 8000 chars)'}, 'wallet_auth': {'type': 'string', 'description': 'base64 JSON {address,ts,signature} -- see description'}}}
History

Recent tool changes

Added
memory_stats
Sept. 17, 2026, 12:34 p.m.
Added
memory_search_free
Sept. 17, 2026, 12:34 p.m.
Added
memory_write_free
Sept. 17, 2026, 12:34 p.m.
Added
memory_forget
Sept. 17, 2026, 12:34 p.m.
Added
memory_import
Sept. 17, 2026, 12:34 p.m.
Added
memory_export
Sept. 17, 2026, 12:34 p.m.
Added
memory_search
Sept. 17, 2026, 12:34 p.m.
Added
memory_write
Sept. 17, 2026, 12:34 p.m.
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