hipocampo (carrasquelalex1/hipocampo) is an MCP server listed on the M8ven Trust Index. It scores 52 out of 100, grade D. It declares 11 tools. No publisher has claimed this listing.
Dual-memory MCP system with PostgreSQL 17 + pgvector + NVIDIA NIM embeddings. 11 tools: search, save, profile, health, auto-repair, stats, tune, dedup, checkpoint, maintenance. Sparse Selective Caching (SSC) with 4-phase progressive retrieval. Bilingual EN/ES.
Caution. Specific findings reduced this grade. They are listed on the page. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.
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carrasquelalex1
Source: Glama
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Install from
The grade above is for the source repository. Registries can serve a different version, so we mark the ones we were not able to read.
DB_NAMEDB_USEREdit .env with your DB_HOST, , and NVIDIA_API_KEYDB_PASSWORDDB_HOSTEdit .env with your , DB_USER, and NVIDIA_API_KEYNVIDIA_API_KEYEdit .env with your DB_HOST, DB_USER, andENV_PATHBRAIN_PATHCACHE_PATHTool annotations
No tools have read-only/destructive annotations
Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.
All four hints declared on every tool
11/11 tools missing one or more hints — search_hipocampo (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); quick_hipocampo_search (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); save_hipocampo (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +8 more. OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.
For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.
Descriptions match behaviour
2 tools describe read intent but their handlers mutate — hipocampo_health (line 287: result = subprocess.run(); hipocampo_maintenance (line 443: r = subprocess.run([PYTHON_BIN, HEALTH_SCRIPT, "--repair"], capture_output=True, text=True, timeout=)
Rename the tool, rewrite the description, or move the side-effect into a separate clearly-named tool.
Tool inputs are validated
6/11 tool handlers declare input schemas (55%)
Declare an inputSchema with zod/joi/yup on every tool definition.
Tool handlers catch errors
10/11 tool handlers wrap calls in try/catch (91%)
Wrap each tool handler body in try/catch and return a structured error response.
Tests exist
No test files found
Add tests that exercise each declared tool.
Tool description accuracy
hipocampo_health: description implies read-only but handler writes/deletes/executes; hipocampo_maintenance: description implies read-only but handler writes/deletes/executes
Update tool descriptions to accurately reflect all capabilities — especially write, delete, or execute operations.
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