io.github.agtrepo/agtrepo-memory
Description
Encrypted, pay-per-use persistent memory storage for AI agents, gated by x402 payments on Base.
What our measurements say
io.github.agtrepo/agtrepo-memory is a remote MCP server published at agtrepo.com. It has been probed 6 times since 9/12/2026. It answered in 6 of them (100.0%), a near-uninterrupted record. Median response time is 378 ms, placing it among the faster endpoints. It offers a narrow, focused set of 6 tools. On the protocol side it still runs 2025-11-25 and has not moved to the newer spec.
Agent readability score
Can an LLM agent pick the right tool here — names, descriptions and parameter clarity are assessed.
Agent readability score
Strengths
- Tool names are descriptive and indicate their primary function clearly.
- Parameters are well-typed with required/optional flags explicitly marked.
Weaknesses
- Descriptions occasionally lack specific use cases (e.g., 'read_memory' doesn't explain when it's needed beyond payment requirements).
- Some tools (e.g., 'read_memory' vs 'share_memory_key') have overlapping memory access functionality that could confuse agents.
read_memory— Description doesn't clarify when this should be used vs 'share_memory_key'register_key_release— Parameter 'wrappedKey' lacks context about its format/encryption methodsend_feedback— Description omits mention of email submission mechanism
Verdict
Event narrative
Risk: low
Advice
Schema compliance
tools/list structure, inputSchema validity, and a functional smoke test — the components of the 0-100 score.
- tools/list schema valid
- inputSchema is valid JSON Schema
- Smoke test not run this round
- Cold-start: cold 222ms → warm 211ms (penalty 11ms)
Tools
Tools the server advertised in the latest measurement — measured, not catalog-claimed.
store_persistent_memoryStores encrypted text memory (base64 ciphertext, up to 16384 bytes). Automatically completes x402 payment challenges.
ciphertextstringrequiredtagsarray
read_memoryReads an encrypted memory by id. Requires x402 payment. 70% of the fee accrues to the memory's creator.
idstringrequired
extend_memoryExtends a memory's TTL by 30 days, up to a maximum total lifetime of 365 days from creation. Requires x402 payment.
idstringrequired
share_memory_keyFree. Releases a previously creator-registered wrapped key to a reader, or the raw content key for a public document.
idstringrequiredreaderPubKeystringrequired
register_key_releaseFree. Creator registers a wrapped content key for a specific reader's public key, proven by an EIP-191 signature over `agtrepo-memory:key-release:{id}:{readerPubKey}:{timestamp}`.
idstringrequiredreaderPubKeystringrequiredwrappedKeystringrequiredsignaturestringrequiredtimestampnumberrequired
send_feedbackFree. Sends feedback about the Protocol to its operators by email. Name is optional (omit for anonymous feedback); message is limited to 1000 characters.
namestringmessagestringrequired
Availability history
Event log
Derived by comparing consecutive probes — changes in era, protocol version, build and reachability.
- Added to watch — era: Legacy
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