User: "I prefer dark mode and use vim keybindings"
Agent: "Got it!"

[next session]

User: "Update my editor settings"
Agent: "What settings would you like to change?"
User: "I ALREADY TOLD YOU"

# Session 1 — agent stores the preference
p.remember(entity=user, fact="Prefers dark mode and vim keybindings", confidence=0.95)

# Session 2 — agent recalls it automatically
memories = p.recall("editor settings", entity=user)
# → [Memory: "Prefers dark mode and vim keybindings" (score: 0.94)]

pip install pensyve          # Python (PyPI)
npm install @pensyve/sdk     # TypeScript (npm)
go get github.com/major7apps/pensyve/pensyve-go/v3@latest  # Go

pip install pensyve

import pensyve

p = pensyve.Pensyve()
user = p.entity("user", kind="user")

# Record a conversation — Pensyve captures it as episodic memory
with p.episode(user) as ep:
    ep.message("user", "I prefer dark mode and use vim keybindings")
    ep.message("agent", "Got it — I'll remember your editor preferences")
    ep.outcome("success")

# Later (even in a new session), the agent recalls what happened
results = p.recall("editor preferences", entity=user)
for r in results:
    print(f"[{r.score:.2f}] {r.content}")

import pensyve

p = pensyve.Pensyve()
groups = p.recall_grouped("How many projects have I led this year?", limit=50)

# Each group is one conversation session — feed it to a reader directly.
for i, g in enumerate(groups, start=1):
    print(f"### Session {i} ({g.session_time}):")
    for m in g.memories:
        print(f"  {m.content}")

p.remember(entity=user, fact="Prefers Python over JavaScript", confidence=0.9)

# After a debugging session that succeeded:
ep.outcome("success")

# Pensyve tracks action→outcome reliability with Bayesian updates.
# Next time a similar issue comes up, recall surfaces the approach that worked.

p.consolidate()
# Promotes repeated episodic facts to semantic knowledge
# Decays memories you never access via FSRS forgetting curve

import pensyve

p = pensyve.Pensyve(namespace="my-agent")
entity = p.entity("user", kind="user")

# Remember a fact
p.remember(entity=entity, fact="User prefers Python", confidence=0.95)

# Recall memories (flat list)
results = p.recall("programming language", entity=entity)

# Recall memories clustered by source session — the canonical entry point
# for "memory as input to an LLM reader" workflows.
groups = p.recall_grouped("programming language", limit=50)

# Record an episode
with p.episode(entity) as ep:
    ep.message("user", "Can you fix the login bug?")
    ep.message("agent", "Fixed — the session token was expiring early")
    ep.outcome("success")

# Consolidate (promote repeated facts, decay unused memories)
p.consolidate()

cargo build --release --bin pensyve-mcp

{
  "mcpServers": {
    "pensyve": {
      "command": "./target/release/pensyve-mcp",
      "env": { "PENSYVE_PATH": "~/.pensyve/default" }
    }
  }
}

/plugin marketplace add major7apps/pensyve
/plugin install pensyve@major7apps-pensyve
/reload-plugins

export PENSYVE_API_KEY="psy_your_key_here"

{
  "mcpServers": {
    "pensyve": {
      "type": "http",
      "url": "https://mcp.pensyve.com/mcp",
      "headers": {
        "Authorization": "Bearer ${PENSYVE_API_KEY}"
      }
    }
  }
}

{
  "mcpServers": {
    "pensyve": {
      "type": "http",
      "url": "https://mcp.pensyve.com/mcp"
    }
  }
}

{
  "mcpServers": {
    "pensyve": {
      "command": "pensyve-mcp",
      "args": ["--stdio"]
    }
  }
}

Plugin contents:
├── 7 slash commands   /remember, /recall, /forget, /inspect, /consolidate, /memory-status, /using-pensyve
├── 4 skills           session-memory, memory-informed-refactor, context-loader, memory-review
├── 2 agents           memory-curator (background), context-researcher (on-demand)
└── 6 hooks            SessionStart, Stop, PreCompact, UserPromptSubmit, PostToolUse (Write/Edit, Bash)

codex plugin marketplace add major7apps/pensyve
codex plugin add pensyve@pensyve-codex

export PENSYVE_API_KEY="psy_your_key_here"

agy plugin install https://github.com/major7apps/pensyve/tree/main/integrations/antigravity-plugin

cargo build --release --bin pensyve-mcp-gateway
./target/release/pensyve-mcp-gateway  # listens on 0.0.0.0:3000

# Remember
curl -X POST http://localhost:3000/v1/remember \
  -H "Content-Type: application/json" \
  -d '{"entity": "seth", "fact": "Seth prefers Python", "confidence": 0.95}'

# Recall
curl -X POST http://localhost:3000/v1/recall \
  -H "Content-Type: application/json" \
  -d '{"query": "programming language", "entity": "seth"}'

# Recall, clustered by source session (canonical for LLM-reader workflows)
curl -X POST http://localhost:3000/v1/recall_grouped \
  -H "Content-Type: application/json" \
  -d '{"query": "How many books did I buy?", "limit": 50, "order": "chronological"}'

import { Pensyve } from "@pensyve/sdk";

const p = new Pensyve({
  baseUrl: "http://localhost:3000",
  timeoutMs: 10000,
  retries: 2,
});
await p.remember({ entity: "seth", fact: "Likes TypeScript", confidence: 0.9 });
const memories = await p.recall("programming", { entity: "seth" });

// Session-grouped recall — feed an LLM reader without rebuilding session blocks.
const { groups } = await p.recallGrouped("how many projects did I lead?", {
  limit: 50,
  order: "chronological",
});
for (const g of groups) {
  console.log(`### Session ${g.sessionId} (${g.sessionTime})`);
  for (const m of g.memories) console.log(`  ${m.content}`);
}

import pensyve "github.com/major7apps/pensyve/pensyve-go/v3"

client := pensyve.NewClient(pensyve.Config{BaseURL: "http://localhost:3000"})
ctx := context.Background()
client.Remember(ctx, "seth", "Likes Go", 0.9)
memories, _ := client.Recall(ctx, "programming", nil)

cargo build --bin pensyve-cli

# Recall memories (default output is JSON; use --format text for human-readable)
./target/debug/pensyve-cli recall "editor preferences" --entity user

# Show namespace status with memory counts
./target/debug/pensyve-cli status

# Show stats
./target/debug/pensyve-cli stats

# Inspect an entity
./target/debug/pensyve-cli inspect --entity user

Namespace (isolation boundary)
  └── Entity (agent | user | team | tool)
        ├── Episodes (bounded interaction sequences)
        │     └── Messages (role + content)
        └── Memories
              ├── Episodic  — what happened (timestamped, multimodal content type)
              ├── Semantic  — what is known (SPO triples with temporal validity)
              └── Procedural — what works (action→outcome with Bayesian reliability)

pensyve/
├── pensyve-core/       Rust engine (rlib) — storage, embedding, retrieval, graph, decay, mesh, observability
├── pensyve-python/     Python SDK via PyO3 (cdylib)
├── pensyve-mcp/        MCP server binary (stdio, rmcp)
├── pensyve-cli/        CLI binary (clap)
├── pensyve-ts/         TypeScript SDK (bun) — timeout, retry, PensyveError
├── pensyve-go/         Go SDK — context-aware HTTP client
├── pensyve-wasm/       WASM build — standalone minimal in-memory Pensyve
├── pensyve_server/       Shared Python utilities — billing, extraction
├── integrations/       All integrations — IDE plugins, framework adapters, code harnesses
│   ├── claude-code/    Claude Code plugin (commands, skills, agents, hooks)
│   ├── antigravity-plugin/ Antigravity plugin (rules, skills, OAuth MCP)
│   ├── vscode/         VS Code sidebar extension
│   ├── openclaw-plugin/ OpenClaw native memory plugin (TypeScript)
│   ├── opencode-plugin/ OpenCode native memory plugin (TypeScript)
│   ├── cursor/         Cursor MCP setup guide
│   ├── cline/          Cline MCP setup guide
│   ├── windsurf/       Windsurf MCP setup guide
│   ├── continue/       Continue MCP setup guide
│   ├── vscode-copilot/ VS Code Copilot Chat MCP setup guide
│   ├── langchain/      LangChain/LangGraph Python (PensyveStore + legacy PensyveMemory)
│   ├── langchain-ts/   LangChain.js/LangGraph.js TypeScript (PensyveStore)
│   ├── crewai/         CrewAI (PensyveStorage + standalone PensyveCrewMemory)
│   └── autogen/        Microsoft AutoGen multi-agent memory
├── tests/python/       Python integration tests
├── benchmarks/         LongMemEval_S evaluation + weight tuning
├── website/            Astro + Tailwind static site for pensyve.com
└── docs/               Architecture, roadmap, design specs, implementation plans

# Install dependencies (creates .venv automatically)
uv sync --extra dev

# Build the native Python module (required before running any Python code)
uv run maturin develop --release -m pensyve-python/Cargo.toml

# Verify the module loads
uv run python -c "import pensyve; print(pensyve.__version__)"

make build      # Compile Rust + build PyO3 module
make test       # Run all tests (Rust + Python)
make lint       # clippy + ruff + pyright
make format     # cargo fmt + ruff format
make check      # lint + test (CI gate)

cargo test --workspace                                       # Rust tests
uv run maturin develop --release -m pensyve-python/Cargo.toml  # Build PyO3 module first
uv run pytest tests/python/ -v                               # Python tests
cd pensyve-ts && bun test                                    # TypeScript tests
cd pensyve-go && go test ./...                               # Go tests

cd pensyve-ts && bun test          # TypeScript (38 tests)
cd pensyve-go && go test ./...     # Go (17 tests)
cd pensyve-wasm && cargo check     # WASM (standalone)

# Synthetic recall smoke test (planted facts, no external dataset required)
python benchmarks/synthetic/run.py --generate --evaluate --verbose