Shared memory and context tools for agentic work.
Code Rooms
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<main>
<h1 id="analysis-tools"><a class="header" href="#analysis-tools">Analysis Tools</a></h1>
<p>Seven tools for impact analysis, prediction, counterfactual simulation, fingerprinting, hypothesis testing, structural diffing, and drift detection.</p>
<hr>
<h2 id="m1ndimpact"><a class="header" href="#m1ndimpact"><code>m1nd.impact</code></a></h2>
<p>Impact radius / blast analysis for a node. Propagates signal outward from a source node to determine which other nodes would be affected by a change. Supports forward (downstream), reverse (upstream), and bidirectional analysis.</p>
<h3 id="parameters"><a class="header" href="#parameters">Parameters</a></h3>
<div class="table-wrapper">
<table>
<thead>
<tr><th>Parameter</th><th>Type</th><th>Required</th><th>Default</th><th>Description</th></tr>
</thead>
<tbody>
<tr><td><code>node_id</code></td><td><code>string</code></td><td>Yes</td><td>–</td><td>Target node identifier. Can be an external_id (<code>file::backend/config.py</code>) or a node label.</td></tr>
<tr><td><code>agent_id</code></td><td><code>string</code></td><td>Yes</td><td>–</td><td>Calling agent identifier.</td></tr>
<tr><td><code>direction</code></td><td><code>string</code></td><td>No</td><td><code>"forward"</code></td><td>Propagation direction. Values: <code>"forward"</code> (what does this affect?), <code>"reverse"</code> (what affects this?), <code>"both"</code>.</td></tr>
<tr><td><code>include_causal_chains</code></td><td><code>boolean</code></td><td>No</td><td><code>true</code></td><td>Include causal chain detection. Shows the specific paths through which impact propagates.</td></tr>
</tbody>
</table>
<h3 id="example-request"><a class="header" href="#example-request">Example Request</a></h3>
<pre><code class="language-json">{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/call",
"params": {
"name": "m1nd.impact",
"arguments": {
"agent_id": "agent-1",
"node_id": "file::chat_handler.py",
"direction": "forward",
"include_causal_chains": true
</code></pre>
<h3 id="example-response"><a class="header" href="#example-response">Example Response</a></h3>
"source": "file::chat_handler.py",
"source_label": "chat_handler.py",
"blast_radius": [
{ "node_id": "file::chat_routes.py", "label": "chat_routes.py", "type": "file", "signal_strength": 0.91, "hop_distance": 1 },
{ "node_id": "file::ws_relay.py", "label": "ws_relay.py", "type": "file", "signal_strength": 0.78, "hop_distance": 1 },
{ "node_id": "file::stream_parser.py", "label": "stream_parser.py", "type": "file", "signal_strength": 0.65, "hop_distance": 2 }
],
"total_energy": 4271.0,
"max_hops_reached": 3,
"causal_chains": [
{
"path": ["chat_handler.py", "chat_routes.py", "main.py"],
"relations": ["imported_by", "registered_in"],
"cumulative_strength": 0.82
]
<h3 id="when-to-use"><a class="header" href="#when-to-use">When to Use</a></h3>
<ul>
<li><strong>Before modifying code</strong> – understand the blast radius before touching a file</li>
<li><strong>Risk assessment</strong> – high total_energy = high-risk change</li>
<li><strong>Scope validation</strong> – verify that a planned change does not leak beyond expected boundaries</li>
<li><strong>Reverse analysis</strong> – find all upstream dependencies that could cause a bug in a given module</li>
<h3 id="related-tools"><a class="header" href="#related-tools">Related Tools</a></h3>
<li><a href="#m1ndpredict"><code>m1nd.predict</code></a> – predicts which files will co-change (more actionable than blast radius)</li>
<li><a href="#m1ndcounterfactual"><code>m1nd.counterfactual</code></a> – simulates deletion rather than change</li>
<li><a href="lifecycle.html#m1ndvalidate_plan"><code>m1nd.validate_plan</code></a> – validates an entire modification plan</li>
<h2 id="m1ndpredict"><a class="header" href="#m1ndpredict"><code>m1nd.predict</code></a></h2>
<p>Co-change prediction for a modified node. Given a node that was just changed, predicts which other nodes are most likely to need changes too, ranked by confidence. Uses historical co-change patterns, structural proximity, and velocity scoring.</p>
<h3 id="parameters-1"><a class="header" href="#parameters-1">Parameters</a></h3>
<tr><td><code>changed_node</code></td><td><code>string</code></td><td>Yes</td><td>–</td><td>Node identifier that was changed.</td></tr>
<tr><td><code>top_k</code></td><td><code>integer</code></td><td>No</td><td><code>10</code></td><td>Number of top predictions to return.</td></tr>
<tr><td><code>include_velocity</code></td><td><code>boolean</code></td><td>No</td><td><code>true</code></td><td>Include velocity scoring. Velocity considers how recently and frequently nodes co-changed.</td></tr>
<h3 id="example-request-1"><a class="header" href="#example-request-1">Example Request</a></h3>
"id": 2,
"name": "m1nd.predict",
"changed_node": "file::session_pool.py",
"top_k": 5
<h3 id="example-response-1"><a class="header" href="#example-response-1">Example Response</a></h3>
"predictions": [
{ "node_id": "file::worker_pool.py", "label": "worker_pool.py", "confidence": 0.89, "velocity": 0.72, "reason": "high co-change frequency + structural coupling" },
{ "node_id": "file::process_manager.py", "label": "process_manager.py", "confidence": 0.76, "velocity": 0.65, "reason": "imports session_pool" },
{ "node_id": "file::tests/test_session_pool.py", "label": "test_session_pool.py", "confidence": 0.71, "velocity": 0.80, "reason": "test file" },
{ "node_id": "file::spawner.py", "label": "spawner.py", "confidence": 0.54, "velocity": 0.41, "reason": "2-hop dependency" },
{ "node_id": "file::config.py", "label": "config.py", "confidence": 0.32, "velocity": 0.28, "reason": "shared configuration" }
"elapsed_ms": 8.3
<h3 id="when-to-use-1"><a class="header" href="#when-to-use-1">When to Use</a></h3>
<li><strong>After modifying a module</strong> – find what else needs updating</li>
<li><strong>Before committing</strong> – verify you have not missed a co-change partner</li>
<li><strong>Code review</strong> – check if a PR is missing changes to coupled modules</li>
<h3 id="related-tools-1"><a class="header" href="#related-tools-1">Related Tools</a></h3>
<li><a href="#m1ndimpact"><code>m1nd.impact</code></a> – blast radius (broader, less actionable)</li>
<li><a href="exploration.html#m1ndtimeline"><code>m1nd.timeline</code></a> – detailed co-change history</li>
<li><a href="lifecycle.html#m1ndvalidate_plan"><code>m1nd.validate_plan</code></a> – validates an entire plan against co-change predictions</li>
<h2 id="m1ndcounterfactual"><a class="header" href="#m1ndcounterfactual"><code>m1nd.counterfactual</code></a></h2>
<p>What-if node removal simulation. Simulates removing one or more nodes from the graph and reports the cascade: orphaned nodes, lost activation energy, and the resulting blast radius. Non-destructive – the graph is not modified.</p>
<h3 id="parameters-2"><a class="header" href="#parameters-2">Parameters</a></h3>
<tr><td><code>node_ids</code></td><td><code>string[]</code></td><td>Yes</td><td>–</td><td>Node identifiers to simulate removal of.</td></tr>
<tr><td><code>include_cascade</code></td><td><code>boolean</code></td><td>No</td><td><code>true</code></td><td>Include cascade analysis. Shows multi-hop propagation of the removal.</td></tr>
<h3 id="example-request-2"><a class="header" href="#example-request-2">Example Request</a></h3>
"id": 3,
"name": "m1nd.counterfactual",
"node_ids": ["file::spawner.py"],
"include_cascade": true
<h3 id="example-response-2"><a class="header" href="#example-response-2">Example Response</a></h3>
"removed_nodes": ["file::spawner.py"],
"cascade": [
{ "depth": 1, "affected": 23 },
{ "depth": 2, "affected": 456 },
{ "depth": 3, "affected": 3710 }
"total_affected": 4189,
"orphaned_count": 0,
"pct_activation_lost": 0.41,
"elapsed_ms": 3.1
<h3 id="when-to-use-2"><a class="header" href="#when-to-use-2">When to Use</a></h3>
<li><strong>Before deleting/rewriting modules</strong> – understand the full cascade before removing code</li>
<li><strong>Dependency audit</strong> – find modules whose removal would be catastrophic</li>
<li><strong>Architecture planning</strong> – evaluate the cost of removing a subsystem</li>
<h3 id="related-tools-2"><a class="header" href="#related-tools-2">Related Tools</a></h3>
<li><a href="#m1ndimpact"><code>m1nd.impact</code></a> – change impact (less extreme than removal)</li>
<li><a href="#m1ndhypothesize"><code>m1nd.hypothesize</code></a> – test a structural claim about dependencies</li>
<h2 id="m1ndfingerprint"><a class="header" href="#m1ndfingerprint"><code>m1nd.fingerprint</code></a></h2>
<p>Activation fingerprint and equivalence detection. Computes a structural fingerprint for a target node (or the entire graph) and finds functionally equivalent or duplicate nodes. Uses probe queries to generate activation patterns and compares them via cosine similarity.</p>
<h3 id="parameters-3"><a class="header" href="#parameters-3">Parameters</a></h3>
<tr><td><code>target_node</code></td><td><code>string</code></td><td>No</td><td>–</td><td>Target node to find equivalents for. If omitted, performs global fingerprinting.</td></tr>
<tr><td><code>similarity_threshold</code></td><td><code>number</code></td><td>No</td><td><code>0.85</code></td><td>Cosine similarity threshold for equivalence. Range: 0.0 to 1.0. Lower values find more (but weaker) matches.</td></tr>
<tr><td><code>probe_queries</code></td><td><code>string[]</code></td><td>No</td><td>–</td><td>Optional probe queries for fingerprinting. Auto-generated from the node’s neighborhood if omitted.</td></tr>
<h3 id="example-request-3"><a class="header" href="#example-request-3">Example Request</a></h3>
"id": 4,
"name": "m1nd.fingerprint",
"target_node": "file::session_pool.py",
"similarity_threshold": 0.7
<h3 id="example-response-3"><a class="header" href="#example-response-3">Example Response</a></h3>
"target": "file::session_pool.py",
"fingerprint": [0.92, 0.45, 0.78, 0.33, 0.67],
"equivalents": [
{ "node_id": "file::worker_pool.py", "label": "worker_pool.py", "similarity": 0.88, "reason": "similar pool lifecycle pattern" },
{ "node_id": "file::fast_pool.py", "label": "fast_pool.py", "similarity": 0.74, "reason": "shared structural role" }
"elapsed_ms": 55.2
<h3 id="when-to-use-3"><a class="header" href="#when-to-use-3">When to Use</a></h3>
<li><strong>Duplicate detection</strong> – find code doing the same thing in different places</li>
<li><strong>Consolidation audit</strong> – identify candidates for unification</li>
<li><strong>Post-build review</strong> – verify new code does not duplicate existing functionality</li>
<h3 id="related-tools-3"><a class="header" href="#related-tools-3">Related Tools</a></h3>
<li><a href="activation.html#m1ndresonate"><code>m1nd.resonate</code></a> – finds harmonically coupled nodes (complementary, not duplicate)</li>
<li><a href="activation.html#m1ndactivate"><code>m1nd.activate</code></a> – simpler search without equivalence scoring</li>
<h2 id="m1ndhypothesize"><a class="header" href="#m1ndhypothesize"><code>m1nd.hypothesize</code></a></h2>
<p>Graph-based hypothesis testing. Takes a natural language claim about the codebase, parses it into a structural query pattern, and returns evidence for and against the claim with a Bayesian confidence score.</p>
<p>Supported claim patterns (auto-detected from natural language): <code>NEVER_CALLS</code>, <code>ALWAYS_BEFORE</code>, <code>DEPENDS_ON</code>, <code>NO_DEPENDENCY</code>, <code>COUPLING</code>, <code>ISOLATED</code>, <code>GATEWAY</code>, <code>CIRCULAR</code>.</p>
<h3 id="parameters-4"><a class="header" href="#parameters-4">Parameters</a></h3>
<tr><td><code>claim</code></td><td><code>string</code></td><td>Yes</td><td>–</td><td>Natural language claim about the codebase. Examples: <code>"chat_handler never validates session tokens"</code>, <code>"all external calls go through smart_router"</code>, <code>"critic is independent of whatsapp"</code>.</td></tr>
<tr><td><code>max_hops</code></td><td><code>integer</code></td><td>No</td><td><code>5</code></td><td>Maximum BFS hops for evidence search.</td></tr>
<tr><td><code>include_ghost_edges</code></td><td><code>boolean</code></td><td>No</td><td><code>true</code></td><td>Include ghost edges as weak evidence. Ghost edges count as lower-weight supporting evidence.</td></tr>
<tr><td><code>include_partial_flow</code></td><td><code>boolean</code></td><td>No</td><td><code>true</code></td><td>Include partial flow when full path not found. Shows how far the search reached.</td></tr>
<tr><td><code>path_budget</code></td><td><code>integer</code></td><td>No</td><td><code>1000</code></td><td>Budget cap for all-paths enumeration. Limits computation on dense graphs.</td></tr>
<h3 id="example-request-4"><a class="header" href="#example-request-4">Example Request</a></h3>
"id": 5,
"name": "m1nd.hypothesize",
"claim": "worker_pool depends on whatsapp_manager at runtime"
<h3 id="example-response-4"><a class="header" href="#example-response-4">Example Response</a></h3>
"claim": "worker_pool depends on whatsapp_manager at runtime",
"claim_type": "depends_on",
"subject_nodes": ["file::worker_pool.py"],
"object_nodes": ["file::whatsapp_manager.py"],
"verdict": "likely_true",
"confidence": 0.72,
"supporting_evidence": [
"type": "path_found",
"description": "2-hop path via process_manager.cancel",
"likelihood_factor": 3.5,
"nodes": ["file::worker_pool.py", "file::process_manager.py", "file::whatsapp_manager.py"],
"relations": ["calls", "imports"],
"path_weight": 0.68
"contradicting_evidence": [],
"paths_explored": 25015,
"elapsed_ms": 58.0
<h3 id="verdict-values"><a class="header" href="#verdict-values">Verdict Values</a></h3>
<tr><th>Verdict</th><th>Confidence Range</th><th>Meaning</th></tr>
<tr><td><code>"likely_true"</code></td><td>> 0.8</td><td>Strong structural evidence supports the claim</td></tr>
<tr><td><code>"likely_false"</code></td><td>< 0.2</td><td>Strong structural evidence contradicts the claim</td></tr>
<tr><td><code>"inconclusive"</code></td><td>0.2 – 0.8</td><td>Evidence exists both for and against</td></tr>
<h3 id="when-to-use-4"><a class="header" href="#when-to-use-4">When to Use</a></h3>
<li><strong>Architecture validation</strong> – test claims about module boundaries and dependencies</li>
<li><strong>Bug investigation</strong> – test whether a suspected dependency exists</li>
<li><strong>Code review</strong> – verify architectural invariants are maintained</li>
<li><strong>Security audit</strong> – test isolation claims (e.g. “auth module is isolated from user input”)</li>
<h3 id="related-tools-4"><a class="header" href="#related-tools-4">Related Tools</a></h3>
<li><a href="memory.html#m1ndwhy"><code>m1nd.why</code></a> – finds the path between two specific nodes</li>
<li><a href="#m1ndimpact"><code>m1nd.impact</code></a> – measures downstream impact rather than testing a claim</li>
<li><a href="exploration.html#m1ndscan"><code>m1nd.scan</code></a> – structural analysis with predefined patterns</li>
<h2 id="m1nddifferential"><a class="header" href="#m1nddifferential"><code>m1nd.differential</code></a></h2>
<p>Focused structural diff between two graph snapshots. Compares edges, weights, nodes, and coupling between snapshot A and snapshot B, optionally narrowed by a focus question.</p>
<h3 id="parameters-5"><a class="header" href="#parameters-5">Parameters</a></h3>
<tr><td><code>snapshot_a</code></td><td><code>string</code></td><td>Yes</td><td>–</td><td>Path to snapshot A, or <code>"current"</code> for the in-memory graph.</td></tr>
<tr><td><code>snapshot_b</code></td><td><code>string</code></td><td>Yes</td><td>–</td><td>Path to snapshot B, or <code>"current"</code> for the in-memory graph.</td></tr>
<tr><td><code>question</code></td><td><code>string</code></td><td>No</td><td>–</td><td>Focus filter question. Narrows the diff output. Examples: <code>"what new coupling was introduced?"</code>, <code>"what modules became isolated?"</code>.</td></tr>
<tr><td><code>focus_nodes</code></td><td><code>string[]</code></td><td>No</td><td><code>[]</code></td><td>Limit diff to neighborhood of specific nodes.</td></tr>
<h3 id="example-request-5"><a class="header" href="#example-request-5">Example Request</a></h3>
"id": 6,
"name": "m1nd.differential",
"snapshot_a": "/path/to/before.json",
"snapshot_b": "current",
"question": "what new coupling was introduced?"
<h3 id="example-response-5"><a class="header" href="#example-response-5">Example Response</a></h3>
"new_edges": [
{ "source": "whatsapp_routes.py", "target": "chat_handler.py", "relation": "calls", "weight": 0.45 }
"removed_edges": [],
"weight_changes": [
{ "source": "session_pool.py", "target": "worker_pool.py", "relation": "imports", "old_weight": 0.5, "new_weight": 0.78, "delta": 0.28 }
"new_nodes": ["file::whatsapp_chat_bridge.py"],
"removed_nodes": [],
"coupling_deltas": [
{ "community_a": "whatsapp", "community_b": "chat", "old_coupling": 0.2, "new_coupling": 0.65, "delta": 0.45 }
"summary": "1 new edge, 1 new node, 1 weight change, 1 coupling increase",
"elapsed_ms": 120.5
<h3 id="when-to-use-5"><a class="header" href="#when-to-use-5">When to Use</a></h3>
<li><strong>Pre/post refactor comparison</strong> – snapshot before, refactor, then diff against current</li>
<li><strong>PR review</strong> – compare graph before and after a branch’s changes</li>
<li><strong>Architecture drift monitoring</strong> – periodic snapshot comparison</li>
<h3 id="related-tools-5"><a class="header" href="#related-tools-5">Related Tools</a></h3>
<li><a href="#m1nddiverge"><code>m1nd.diverge</code></a> – higher-level drift analysis with anomaly detection</li>
<li><a href="lifecycle.html#m1ndlockdiff"><code>m1nd.lock.diff</code></a> – diff within a locked region (no snapshot file needed)</li>
<h2 id="m1nddiverge"><a class="header" href="#m1nddiverge"><code>m1nd.diverge</code></a></h2>
<p>Structural drift detection between a baseline and the current graph state. Higher-level than <code>differential</code> – includes anomaly detection (test deficits, velocity spikes, new coupling), coupling matrix changes, and a Jaccard-based structural drift score.</p>
<h3 id="parameters-6"><a class="header" href="#parameters-6">Parameters</a></h3>
<tr><td><code>baseline</code></td><td><code>string</code></td><td>Yes</td><td>–</td><td>Baseline reference. Values: ISO date (<code>"2026-03-01"</code>), git ref (SHA or tag), or <code>"last_session"</code> to use the saved GraphFingerprint.</td></tr>
<tr><td><code>scope</code></td><td><code>string</code></td><td>No</td><td>–</td><td>File path glob to limit scope. Example: <code>"backend/stormender*"</code>. <code>None</code> = all nodes.</td></tr>
<tr><td><code>include_coupling_changes</code></td><td><code>boolean</code></td><td>No</td><td><code>true</code></td><td>Include coupling matrix delta between communities.</td></tr>
<tr><td><code>include_anomalies</code></td><td><code>boolean</code></td><td>No</td><td><code>true</code></td><td>Detect anomalies: test deficits, velocity spikes, new coupling, isolation.</td></tr>
<h3 id="example-request-6"><a class="header" href="#example-request-6">Example Request</a></h3>
"id": 7,
"name": "m1nd.diverge",
"baseline": "2026-03-01",
"scope": "backend/stormender*"
<h3 id="example-response-6"><a class="header" href="#example-response-6">Example Response</a></h3>
"baseline_commit": "a1b2c3d",
"scope": "backend/stormender*",
"structural_drift": 0.23,
"new_nodes": ["file::stormender_v2_runtime_guard.py"],
"modified_nodes": [
{ "file": "stormender_v2.py", "delta": "+450/-30", "growth_ratio": 1.85 }
"coupling_changes": [
{ "pair": ["stormender_v2.py", "stormender_v2_routes.py"], "was": 0.4, "now": 0.72, "direction": "strengthened" }
"anomalies": [
{ "type": "test_deficit", "file": "stormender_v2_runtime_guard.py", "detail": "New file with 0 test files", "severity": "warning" },
{ "type": "velocity_spike", "file": "stormender_v2.py", "detail": "450 lines added in 12 days", "severity": "info" }
"summary": "23% structural drift. 1 new file (untested). Stormender coupling strengthened.",
"elapsed_ms": 85.0
<h3 id="anomaly-types"><a class="header" href="#anomaly-types">Anomaly Types</a></h3>
<tr><th>Type</th><th>Description</th></tr>
<tr><td><code>test_deficit</code></td><td>New or modified file with no corresponding test file</td></tr>
<tr><td><code>velocity_spike</code></td><td>Unusually high churn rate</td></tr>
<tr><td><code>new_coupling</code></td><td>Previously independent modules are now coupled</td></tr>
<tr><td><code>isolation</code></td><td>Module that was connected became isolated</td></tr>
<h3 id="when-to-use-6"><a class="header" href="#when-to-use-6">When to Use</a></h3>
<li><strong>Session start</strong> – <code>m1nd.drift</code> shows weight-level changes; <code>m1nd.diverge</code> shows structural-level changes</li>
<li><strong>Sprint retrospective</strong> – how much did the architecture change this sprint?</li>
<li><strong>Quality gate</strong> – flag files with test deficits before merging</li>
<h3 id="related-tools-6"><a class="header" href="#related-tools-6">Related Tools</a></h3>
<li><a href="memory.html#m1nddrift"><code>m1nd.drift</code></a> – weight-level drift (lighter, faster)</li>
<li><a href="#m1nddifferential"><code>m1nd.differential</code></a> – lower-level snapshot diff</li>
<li><a href="exploration.html#m1ndtimeline"><code>m1nd.timeline</code></a> – single-node temporal history</li>
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