Model-provider tools - verified
Claude memory tool (Anthropic API)
Claude memory tool is listed under model-provider tools. Its first listed price, in its own words: Client-side tools are priced the same as any other Claude API request (model tokens (the memory tool is a client tool)). Stated on its pages: automatic extraction, self-hosting and retention or deletion controls. Read from the product's own pages on October 18, 2026.
Read from platform.claude.com. Docs - Pricing - Compare every memory product
Status
- Launch stage, as stated
Generally availableinferred
Inferred: Inferred from "doesn't require a beta header"; the page gives no GA label, and the SDK helpers still live in a beta namespace.
“The helper and tool-runner surfaces live in your SDK's beta namespace even though the memory tool itself doesn't require a beta header.”
platform.claude.com
- Support, home or billing changes, as recorded
- Not stated
None found on the page.
How Claude memory tool charges
Every price line Claude memory tool states, in its own words and units, with the quote. Nothing is converted.
| Price, in the product's words | Unit | Quote and source |
|---|---|---|
| Client-side tools are priced the same as any other Claude API request | model tokens (the memory tool is a client tool) | “Client-side tools are priced the same as any other Claude API request” |
Memory model
- Memory types and scopes
File-based memory directory
“The memory tool lets Claude store and retrieve information across conversations in a directory of memory files.”
platform.claude.com - Storage backend
Developer-chosen (files, database, cloud storage)
“back memory with your own storage, such as files on disk, a database, cloud storage, or encrypted files”
platform.claude.com - Knowledge graph
- Not stated
Not stated; memory is a file directory.
- Retrieval
Claude checks and reads memory files on demand
“When the memory tool is enabled, Claude automatically checks its memory directory before starting a task.”
platform.claude.com - Automatic extraction
Claude writes what it learns to memory files
“As it works, Claude stores what it learns in files under /memories and reads them back in later conversations to continue earlier work.”
platform.claude.com
MCP, SDKs and integrations
- Official MCP server
- Not stated
The memory tool is an Anthropic-defined client tool, not an MCP server.
- SDKs
Helpers in Python, C#, TypeScript and Java SDKs
“Subclass BetaAbstractMemoryTool (Python and C#), use betaMemoryTool (TypeScript), or implement BetaMemoryToolHandler (Java)”
platform.claude.com - Framework integrations
- Not stated
Not stated on the memory tool page.
Self-hosting, license, retention and compliance
- Self-hosting
Client-side: your application stores the data
“The memory tool operates client-side: Claude requests file operations, and your application executes them. You control where and how the data is stored through your own infrastructure.”
platform.claude.com - License
- Not stated
API feature; no license applies.
- Retention and deletion
Claude can create, read, update and delete memory files
“Claude can create, read, update, and delete files that persist between sessions”
platform.claude.com - Compliance
- Not stated
The page links to ZDR guidance but states no certification on the memory tool page.
Models, quotas and limits
- Model availability
All Claude 4 and later models
“The memory tool is available on all Claude 4 and later models.”
platform.claude.com
Vendor-stated claims
Benchmark and latency figures as Claude memory tool states them about itself. Vendor-stated, not measured.
- Vendor-stated
- Not stated
None on the page.
FAQ
How much does Claude memory tool cost?
In Claude memory tool's own terms: Client-side tools are priced the same as any other Claude API request (model tokens (the memory tool is a client tool)). As of October 18, 2026; prices are not converted.
Does Claude memory tool build a knowledge graph?
Not stated. Not stated; memory is a file directory.
Can I self-host Claude memory tool?
Per the vendor: "The memory tool operates client-side: Claude requests file operations, and your application executes them. You control where and how the data is stored through your own infrastructure." License: not stated. API feature; no license applies.
Sources
Last verified from each product's own docs, pricing pages, READMEs and license files; every quote was string-matched against the page that day. This is not a benchmark. Prices are shown in the product's own unit and change without notice, so check the linked source before you commit.
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