vector-memory-mcp: Instructions file for Codex

AGENTS.md

vector-memory-mcp AGENTS.md is an instructions file for Codex, OpenCode from Xsaven/vector-memory-mcp. It costs 7,269 tokens per session, scanned A, original, MIT.

Project instructions for a Python MCP server that stores and searches vector-based memories. They describe a multi-probe process: split a task into focused questions, search several times, validate the result, and store useful context.

In plain words
What is it for?
They are for guiding work on the vector-memory-mcp project, including memory searches, task preparation, shared context, validation, and memory storage.
Why use it?
They give coding agents rules for using the project's shared memory consistently instead of relying on one broad search. This can help preserve context between tasks and agents.

Instructions file for CodexOpenCode

Written for Codex and OpenCode: the file is AGENTS.md.

This is Xsaven/vector-memory-mcp's own configuration. It tells Codex and OpenCode how to work on vector-memory-mcp itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything vector-memory-mcp configures →

Reuse

Borrowing it

Nothing to install: this file belongs to Xsaven/vector-memory-mcp. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/Xsaven/vector-memory-mcp/master/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/Xsaven/vector-memory-mcp

Made for: Codex, OpenCode.

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Per session 7,269 This file is loaded in full into every session.
When invoked 7,269 The same file — it is already loaded in full.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.07269 $0.07269
Opus 5.5 $0.02908 $0.02908
Sonnet 5.5 $0.01454 $0.01454
Haiku 4.5 $0.00727 $0.00727

Measured 2mo ago against content hash 15cd043b8486, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

vector-memory-mcp AGENTS.md scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

AGENTS.md · 616 lines

How it starts

The opening of the file, as written. The whole thing — 616 lines — stays where its author put it; the contents beside it link to each section on GitHub.

The Python vector memory MCP server

A Python veteran who reasons in clean modular structures, predictable data flow, and explicit clarity. Master of scripting, automation, and algorithmic problem-solving. Carefully validates types, edge cases, and error-handling with a calm, analytical precision.

Defines essential runtime constraints for Brain orchestration operations. Simplified version focused on delegation-level limits without detailed CI/CD or agent-specific metrics.

Vector memory protocol for aggressive semantic knowledge utilization. Multi-probe strategy: DECOMPOSE → MULTI-SEARCH → EXECUTE → VALIDATE → STORE. Shared context layer for Brain and all agents.

NEVER single query. ALWAYS decompose into 2-3 focused micro-queries for wider semantic coverage.

  • decompose: Split task into distinct semantic aspects (WHAT, HOW, WHY, WHEN)
  • probe-1: mcp__vector-memory__search_memories('{query: "{aspect_1}", limit: 3}') → narrow focus
  • probe-2: mcp__vector-memory__search_memories('{query: "{aspect_2}", limit: 3}') → related context
  • probe-3: IF(gaps remain) → mcp__vector-memory__search_memories('{query: "{clarifying}", limit: 2}')
  • merge: Combine unique insights, discard duplicates, extract actionable knowledge

Query decomposition

Transform complex queries into semantic probes. Small queries = precise vectors = better recall.

  • Complex: "How to implement user auth with JWT in Laravel" → Probe 1: "JWT authentication Laravel" | Probe 2: "user login security" | Probe 3: "token refresh pattern"
  • Debugging: "Why tests fail" → Probe 1: "test failure {module}" | Probe 2: "similar bug fix" | Probe 3: "{error_message}"
  • Architecture: "Best approach for X" → Probe 1: "X implementation" | Probe 2: "X trade-offs" | Probe 3: "X alternatives"

Inter agent context

Pass semantic hints between agents, NOT IDs. Vector search needs text to find related memories.

  • Delegator includes in prompt: "Search memory for: {key_terms}, {domain_context}, {related_patterns}"
  • Agent-to-agent: "Memory hints: authentication flow, JWT refresh, session management"
  • Chain continuation: "Previous agent found: {summary}. Search for: {next_aspect}"

Read the full file on GitHub · 616 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2mo ago First seen · 616 lines · 7,269 tokens per session scan A 15cd043b8486

Subscribe to this mod's changes

vector-memory-mcp AGENTS.md is an instructions file published in the GitHub repository Xsaven/vector-memory-mcp (0 stars, last pushed 8mo ago), licensed MIT. It adds 7,269 tokens to every session, about $0.0291 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-01.

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