Knowledge Graph Agent
Query this niche via MCP
niche_report({ niche: "knowledge-graph-agent" })Agents · median
$99/mo
MCP servers · median
$27/mo
3.7×
Agents cost 3.7× MCPs across all tiers — median $99 vs $27. Two different markets; a blended figure would mislead either buyer.
All plans — Agents vs MCPs
each dot = one provider · log scaleAgents $99
nessie · $54
robosystems · $99
MCP servers $27
grimoire · $5
Pharaoh So · $27
Ckg Nvidia Ai · $99
$5
$10
$25
$50
$100
AgentsMCP serversshaded = middle half · line = median
All plans
5 pricedProvidervs its cohort medianMonthly
grimoiremcp
$5 below
Pharaoh Somcp
$27 ~median
nessieagent
$54 below
robosystemsagent
$99 ~median
Ckg Nvidia Aimcp
$99 above
Position is relative to the provider's own delivery-type median at this tier — never a blended one.
This page is the human view of the MCP answer. The same structured `niche_report` / `price_benchmark` an agent receives over MCP or REST.
niche_reportprice_benchmark
See the MCP response behind this pageniche_report
{
"niche": "knowledge-graph-agent",
"parent_sector": "research-knowledge-work",
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]
},
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{
"provider": "planetgraph",
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{
"provider": "planetgraph",
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{
"provider": "planetgraph",
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"methodology": "Chained daily price index, base 100 on the first priced scan day (29 Jun 2026). The overall index is the COMPOSITE of the four buyer-tier indices (individual / pro / team&sme / enterprise): each day it moves by the equal-weighted average of the tiers' moves. Each tier index is like-for-like — only agents priced on both consecutive scan days (per-agent ratios, geometric mean, clipped to [0.2, 5]) — so composition changes (agents revealing or hiding prices) can never move it."
},
"top_agents": [
{
"agent_id": "endiagram",
"name": "endiagram",
"url": "https://endiagram.com/",
"short_summary": "deterministic structural analysis of concurrent systems using graph theory to compute topology, bottlenecks, blast radius, and critical paths",
"price": {
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"billing": "not_found",
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"headline": "No public price found",
"summary": "No public price found on the vendor site."
},
"evidence_quality": "high",
"upvotes": 0
},
{
"agent_id": "grimoire",
"name": "Grimoire",
"url": "https://www.ttrpg.bot/mcp",
"short_summary": "turns TTRPG campaigns into structured, queryable databases and knowledge graphs for AI clients",
"price": {
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"billing": "freemium",
"lowest_monthly_usd": 5,
"monthly_usd": 5,
"headline": "Free tier, then from $5/mo",
"summary": "Free tier, then from $5/mo. Grimoire offers a permanent free tier, a Pro plan at $5 per month under its founders' rate, and a Team plan listed as coming soon with contact-based pricing."
},
"evidence_quality": "high",
"upvotes": 0
},
{
"agent_id": "pharaoh_so",
"name": "Pharaoh So",
"url": "https://pharaoh.so/",
"short_summary": "maps codebase architecture into a knowledge graph that AI agents can query to understand code dependencies, blast radius, and existing functions before making…",
"price": {
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"billing": "freemium",
"lowest_monthly_usd": 27,
"monthly_usd": 27,
"headline": "Free tier, then from $27/mo",
"summary": "Free tier, then from $27/mo. Pharaoh offers a free plan with 8 core tools and a Pro plan at $27/month with all 16 tools and additional code analysis features."
},
"evidence_quality": "high",
"upvotes": 0
},
{
"agent_id": "voidfeed",
"name": "voidfeed",
"url": "https://voidfeed.ai",
"short_summary": "provides structured knowledge content for AI agent consumption",
"price": {
"observed": true,
"billing": "freemium",
"lowest_monthly_usd": null,
"monthly_usd": null,
"headline": "Free tier + paid plans (price not published)",
"summary": "VoidFeed offers a free tier and premium access for 0.001 BTC (100,000 satoshis) for 30 days via Lightning Network."
},
"evidence_quality": "high",
"upvotes": 0
},
{
"agent_id": "ckg_nvidia_ai",
"name": "Ckg Nvidia Ai",
"url": "https://graphifymd.com",
"short_summary": "NVIDIA AI developer stack as a traversable knowledge graph — 20 domains (NIM, NeMo, TensorRT-Triton, Isaac, Cosmos, DRIVE, Clara, Jetson, Riva, OpenShell and m…",
"price": {
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"billing": "freemium",
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"monthly_usd": 29,
"headline": "Free tier, then from $29/mo",
"summary": "Free tier, then from $29/mo. Graphify offers a permanent free tier plus Developer at $29/mo, Pro at $99/mo, and Sealed Appliance at $299/mo."
},
"evidence_quality": "medium",
"upvotes": 0
},
{
"agent_id": "nessie",
"name": "Nessie Labs",
"url": "https://nessielabs.com/",
"short_summary": "ingests and syncs AI conversation history from multiple tools and structures it into reusable context for users, teams, and agents",
"price": {
"observed": true,
"billing": "subscription",
"lowest_monthly_usd": 28,
"monthly_usd": 28,
"headline": "From $28/mo",
"summary": "From $28/mo. Nessie offers Plus at $28/month, Pro at $79/month, and Team at $80 per seat/month, with the listed self-serve prices billed yearly and custom pricing for On-prem."
},
"evidence_quality": "medium",
"upvotes": 0
},
{
"agent_id": "neural_graph_mapper",
"name": "Neural Graph Mapper",
"url": "https://neural-graph-mapper-mcp.vercel.app",
"short_summary": "Neural Graph Mapper is a premium micro-service from the M2MCent factory, configured as a Model Context Protocol (MCP) server. Functionality: Transformador Semá…",
"price": {
"observed": false,
"billing": "not_found",
"lowest_monthly_usd": null,
"monthly_usd": null,
"headline": "No public price found",
"summary": "No public price found on the vendor site."
},
"evidence_quality": "medium",
"upvotes": 0
},
{
"agent_id": "planetgraph",
"name": "PlanetGraph",
"url": "https://planetgraph.ai/",
"short_summary": "provides AI-native graph database for storing and querying interconnected data with reasoning capabilities",
"price": {
"observed": true,
"billing": "usage",
"lowest_monthly_usd": null,
"monthly_usd": null,
"headline": "Paid (price not published)",
"summary": "PlanetGraph uses pay-as-you-go pricing based on data access, with 1,000 free tokens to start and operation costs shown as usage examples."
},
"evidence_quality": "medium",
"upvotes": 0
},
{
"agent_id": "autology",
"name": "Autology",
"url": "https://github.com/Curt-Park/autology",
"short_summary": "Claude Code plugin that captures AI-assisted work decisions, conventions, and context into a shared, typed knowledge graph. Stores interlinked markdown nodes i…",
"price": {
"observed": false,
"billing": "unknown",
"lowest_monthly_usd": null,
"monthly_usd": null,
"headline": "No public price found",
"summary": "No public price found on the vendor site."
},
"evidence_quality": "unclear",
"upvotes": 0
},
{
"agent_id": "context_clue",
"name": "Context Clue",
"url": "https://context-clue.com/",
"short_summary": "AI-driven knowledge management platform for engineering teams that transforms CAD files, ERP data, and technical documents into structured knowledge graphs. En…",
"price": {
"observed": false,
"billing": "not_found",
"lowest_monthly_usd": null,
"monthly_usd": null,
"headline": "No public price found",
"summary": "No public price found on the vendor site."
},
"evidence_quality": "unclear",
"upvotes": 0
}
],
"platforms_also_here": [
{
"agent_id": "atlan_activate_reimagining_dat",
"name": "Atlan Activate Reimagining Dat",
"url": "https://atlan.com/activate-2025",
"short_summary": "Provides a metadata governance and context platform (data catalog, AI governance, data quality, talk-to-data) to make enterprise data fit-for-purpose for AI; t…",
"price": {
"observed": false,
"billing": "not_found",
"lowest_monthly_usd": null,
"monthly_usd": null,
"headline": "No public price found",
"summary": "No public price found on the vendor site."
},
"home_niche": "ai-data-platform",
"also_covers": true,
"upvotes": 0
},
{
"agent_id": "causal_agent",
"name": "Causal Agent",
"url": "https://github.com/Heyflyingpig/CausalAgent",
"short_summary": "Multi-agent causal analysis system built on LangGraph. Automates causal structure learning, generates interactive causal graphs, and produces professional anal…",
"price": {
"observed": false,
"billing": "not_found",
"lowest_monthly_usd": null,
"monthly_usd": null,
"headline": "No public price found",
"summary": "No public pricing for CausalAgent is shown in the supplied repository content."
},
"home_niche": "autonomous-ai-research-lab",
"also_covers": true,
"upvotes": 0
},
{
"agent_id": "falkordb",
"name": "Falkordb",
"url": "https://www.falkordb.com/",
"short_summary": "Graph database optimized for GraphRAG and agentic AI. Combines knowledge graphs with vector search to reduce hallucinations, enable persistent agent memory, an…",
"price": {
"observed": true,
"billing": "freemium",
"lowest_monthly_usd": 73,
"monthly_usd": 73,
"headline": "Free tier, then from $73/mo",
"summary": "Free tier, then from $73/mo. FalkorDB offers a free plan, paid Startup and Pro plans from $73 and $350 per month respectively, and tailored Enterprise pricing."
},
"home_niche": "agent-memory-systems",
"also_covers": true,
"upvotes": 0
},
{
"agent_id": "flexible_graphrag_2",
"name": "Flexible Graphrag 2",
"url": "https://stevereiner.github.io/flexible-graphrag/",
"short_summary": "Open-source platform for document processing, knowledge graph auto-building, hybrid search (vector, fulltext, graph), and AI chat. Supports 13 data sources, 10…",
"price": {
"observed": false,
"billing": "not_found",
"lowest_monthly_usd": null,
"monthly_usd": null,
"headline": "No public price found",
"summary": "No public price found on the vendor site."
},
"home_niche": "rag-pipeline-platform",
"also_covers": true,
"upvotes": 0
},
{
"agent_id": "neo4j_aura_agent",
"name": "Neo4j Aura Agent",
"url": "https://neo4j.com/product/aura-agent",
"short_summary": "Cloud platform for building and deploying AI agents grounded in knowledge graphs. Provides low/no-code tools for creating context-aware agents with GraphRAG ca…",
"price": {
"observed": false,
"billing": "not_found",
"lowest_monthly_usd": null,
"monthly_usd": null,
"headline": "No public price found",
"summary": "No public pricing was observed for Neo4j Aura Agent; the linked pricing page lists AuraDB database plans instead."
},
"home_niche": "agent-builder-no-code",
"also_covers": true,
"upvotes": 0
},
{
"agent_id": "plasma_wiki",
"name": "Plasma Wiki",
"url": "https://github.com/plasma-ai/wiki",
"short_summary": "Indexed knowledge bases with command-line tools for agents. Creates structured markdown wikis that agents can query to ground their work in project-specific kn…",
"price": {
"observed": false,
"billing": "unknown",
"lowest_monthly_usd": null,
"monthly_usd": null,
"headline": "No public price found",
"summary": "No public price found on the vendor site."
},
"home_niche": "enterprise-knowledge-platform",
"also_covers": true,
"upvotes": 0
},
{
"agent_id": "qknow",
"name": "Qknow",
"url": "https://community.qknow.ai/",
"short_summary": "Open-source enterprise AI agent construction platform. Enables knowledge graph, RAG, bot building, and knowledge Q&A for rapid deployment of intelligent soluti…",
"price": {
"observed": false,
"billing": "not_found",
"lowest_monthly_usd": null,
"monthly_usd": null,
"headline": "No public price found",
"summary": "No public price found on the vendor site."
},
"home_niche": "agent-framework-open-source",
"also_covers": true,
"upvotes": 0
},
{
"agent_id": "stardog_ekg",
"name": "Stardog Ekg",
"url": "https://stardog.com/agentic-ai-knowledge-graph",
"short_summary": "Enterprise knowledge graph platform that provides contextualized data understanding for AI agents. Connects fragmented enterprise data sources and enables grou…",
"price": {
"observed": false,
"billing": "unknown",
"lowest_monthly_usd": null,
"monthly_usd": null,
"headline": "No public price found",
"summary": "No public price found on the vendor site."
},
"home_niche": "enterprise-knowledge-platform",
"also_covers": true,
"upvotes": 0
}
],
"page_url": "https://agentery.com/market/knowledge-graph-agent",
"summary": {
"niche": "knowledge-graph-agent",
"sector": "research-knowledge-work",
"pricing_by_provider_type": {
"headline": "Prices differ by provider type and buyer tier — no blended headline is used. Strongest cohort: MCP servers · Pro median $27/mo (3 providers). See benchmarks_by_provider_type_and_tier for the full matrix.",
"benchmarks": [
{
"provider_type": "mcp",
"provider_type_label": "MCP servers",
"buyer_tier": "pro",
"buyer_tier_label": "Pro",
"pricing_unit": "flat",
"pricing_unit_label": "flat monthly",
"comparable_provider_count": 3,
"reliability": "low",
"median": 27,
"p25": null,
"p75": null,
"status": "median_only"
},
{
"provider_type": "agent",
"provider_type_label": "Agents",
"buyer_tier": "pro",
"buyer_tier_label": "Pro",
"pricing_unit": "flat",
"pricing_unit_label": "flat monthly",
"comparable_provider_count": 2,
"reliability": "low",
"median": null,
"p25": null,
"p75": null,
"status": "observed_offers_only",
"observed_offers": [
53.5,
99
]
}
],
"warnings": [
"This niche currently has sufficient MCP pricing but insufficient agent pricing."
],
"full_pricing_via": {
"tool": "price_benchmark",
"arguments": {
"niche": "knowledge-graph-agent"
},
"note": "add provider_type + buyer_tier for a specific cohort"
}
},
"page_url": "https://agentery.com/market/knowledge-graph-agent",
"counts": {
"listings_with_price_capture": 30,
"listings_with_observed_public_price": 8,
"providers_with_numeric_monthly_price_latest_scan": null,
"like_for_like_comparable_pairs": null
},
"movement": {
"d": {
"published": false,
"value_pct": null,
"held_reason": null
},
"w": {
"published": false,
"value_pct": null,
"held_reason": null
},
"m": {
"published": false,
"value_pct": null,
"held_reason": null
}
},
"pricing_version": "cohorts-1",
"pricing_status": "ok",
"pricing_by_tier": [
{
"tier": "individual",
"currency": "USD",
"period": "month",
"unit": "flat",
"median": 29,
"provider_count": 2,
"plan_observation_count": 2,
"data_confidence": 0.15,
"data_confidence_basis": {
"provider_component": 0.17,
"observation_component": 0.1,
"provider_count": 2,
"plan_observation_count": 2
},
"reliability": "low",
"members": [
{
"provider": "ckg_nvidia_ai",
"usd": 29
},
{
"provider": "robosystems",
"usd": 29
}
]
},
{
"tier": "pro",
"currency": "USD",
"period": "month",
"unit": "flat",
"median": 53.5,
"provider_count": 5,
"plan_observation_count": 7,
"data_confidence": 0.4,
"data_confidence_basis": {
"provider_component": 0.42,
"observation_component": 0.35,
"provider_count": 5,
"plan_observation_count": 7
},
"reliability": "medium",
"members": [
{
"provider": "grimoire",
"usd": 5
},
{
"provider": "pharaoh_so",
"usd": 27
},
{
"provider": "nessie",
"usd": 53.5
},
{
"provider": "ckg_nvidia_ai",
"usd": 99
},
{
"provider": "robosystems",
"usd": 99
}
],
"p25": 27,
"p75": 99
},
{
"tier": "team_sme",
"currency": "USD",
"period": "month",
"unit": "flat",
"median": 274,
"provider_count": 2,
"plan_observation_count": 2,
"data_confidence": 0.15,
"data_confidence_basis": {
"provider_component": 0.17,
"observation_component": 0.1,
"provider_count": 2,
"plan_observation_count": 2
},
"reliability": "low",
"members": [
{
"provider": "robosystems",
"usd": 249
},
{
"provider": "ckg_nvidia_ai",
"usd": 299
}
]
}
],
"pricing_coverage": {
"listings_with_price_capture": 30,
"listings_with_observed_public_price": 8,
"normalized_observations": 13,
"comparable_providers": 5,
"strict_cohorts": 3,
"exclusion_reasons": {
"usage_not_monthly": 4,
"ambiguous_cadence": 2
}
},
"pricing_note": "Provider-deduped, FX-normalized monthly medians, separated by buyer tier AND billing unit (flat/per_seat/per_user/per_agent) — incompatible units are never blended. Ranges (p25/p75) only at >=5 providers; data_confidence is provider-count-weighted. Usage-metered, promo, range, one-time and ambiguous-cadence plans are excluded.",
"pricing_excluded_observations": {
"usage_not_monthly": 4,
"ambiguous_cadence": 2
},
"billing_mix": {
"usage": 2,
"freemium": 4,
"subscription": 2
},
"free_tier_share": 0.5,
"top_providers": [
{
"agent_id": "endiagram",
"name": "endiagram",
"price": {
"observed": false,
"billing": "not_found",
"lowest_monthly_usd": null,
"monthly_usd": null,
"headline": "No public price found",
"summary": "No public price found on the vendor site."
},
"observed": false
},
{
"agent_id": "grimoire",
"name": "Grimoire",
"price": {
"observed": true,
"billing": "freemium",
"lowest_monthly_usd": 5,
"monthly_usd": 5,
"headline": "Free tier, then from $5/mo",
"summary": "Free tier, then from $5/mo. Grimoire offers a permanent free tier, a Pro plan at $5 per month under its founders' rate, and a Team plan listed as coming soon with contact-based pricing."
},
"observed": true
},
{
"agent_id": "pharaoh_so",
"name": "Pharaoh So",
"price": {
"observed": true,
"billing": "freemium",
"lowest_monthly_usd": 27,
"monthly_usd": 27,
"headline": "Free tier, then from $27/mo",
"summary": "Free tier, then from $27/mo. Pharaoh offers a free plan with 8 core tools and a Pro plan at $27/month with all 16 tools and additional code analysis features."
},
"observed": true
},
{
"agent_id": "voidfeed",
"name": "voidfeed",
"price": {
"observed": true,
"billing": "freemium",
"lowest_monthly_usd": null,
"monthly_usd": null,
"headline": "Free tier + paid plans (price not published)",
"summary": "VoidFeed offers a free tier and premium access for 0.001 BTC (100,000 satoshis) for 30 days via Lightning Network."
},
"observed": true
},
{
"agent_id": "ckg_nvidia_ai",
"name": "Ckg Nvidia Ai",
"price": {
"observed": true,
"billing": "freemium",
"lowest_monthly_usd": 29,
"monthly_usd": 29,
"headline": "Free tier, then from $29/mo",
"summary": "Free tier, then from $29/mo. Graphify offers a permanent free tier plus Developer at $29/mo, Pro at $99/mo, and Sealed Appliance at $299/mo."
},
"observed": true
}
],
"suggested_next_calls": [
{
"tool": "price_benchmark",
"arguments": {
"niche": "knowledge-graph-agent"
},
"purpose": "full observed price distribution + per-tier medians for this niche"
},
{
"tool": "niche_report",
"arguments": {
"niche": "knowledge-graph-agent",
"response_mode": "full"
},
"purpose": "the complete report incl. index series and tier decomposition"
},
{
"tool": "suggest_alternatives",
"arguments": {
"agent_id": "endiagram"
},
"purpose": "comparable (optionally cheaper) providers to a named agent"
},
{
"tool": "get_agent_profile",
"arguments": {
"agent_id": "endiagram"
},
"purpose": "full profile, integrations and pricing for one provider"
}
]
}
}Full market
6 providers, one sortable view
Dense enough for many listings; progressive disclosure keeps mobile usable.
ProviderTypeFromVs niche medianLiveness
Vvoidfeedprovides structured knowledge content for AI agent consumption
mcpFree tierpaid plans vary—100% live
Nessie Labsingests and syncs AI conversation history from multiple tools and structures it into reusable context for users, teams, and agents
RobosystemsFinancial intelligence platform that transforms business data into knowledge graphs. Uses AI agents with MCP tools to analyze QuickBooks data and uncover opera…Showing only providers with a published price or a free plan. $29 = lowest observed monthly · Free = free to use · Free tier = free plan + paid options.