Atlarium Habitat Database MCP
Atlarium Habitat Database MCP
Public read-only MCP server for Atlarium habitat data, diagnostics, products, calculators and advisory planning.
MCP endpoint · Human docs · Server card · Technical docs · Client examples
Atlarium Habitat Database MCP gives AI agents structured access to public Atlarium data and advisory functions for aquariums, marine tanks, coldwater systems, terrariums, paludariums and vivariums. It exposes 39 public read-only tools for species, plants, products, guides, algae, diseases, plant problems, medicines, compatibility, fertilization, calculators and complete habitat planning without exposing Atlarium accounts, private workspaces, admin APIs or write operations.
At A Glance
| Surface | Value |
|---|---|
| MCP endpoint | https://mcp.atlarium.bio/mcp |
| MCP version | 2.0.0 |
| Transport | Streamable HTTP |
| Authentication | none |
| Tool surface | 39 public read-only tools |
| Prompts | 9 guided public prompts |
| Apps widget | ui://widget/habitat-explorer.v3.html |
| Server card | https://mcp.atlarium.bio/.well-known/mcp/server-card.json |
| Human docs | https://atlarium.bio/mcp |
| Official MCP Registry | bio.atlarium/habitat-database |
https://atlarium.bio/mcp is documentation. The canonical Streamable HTTP MCP
endpoint is https://mcp.atlarium.bio/mcp.
What You Can Build
| Use case | Public tools |
|---|---|
| Species research | Search fish, aquatic animals and plants, then retrieve localized structured profiles. |
| Tank compatibility | Compare species against tank size, pH, hardness and temperature constraints. |
| Diagnostic triage | Search algae, aquatic diseases, plant problems and treatment references from public profiles. |
| Product selection | Explore product categories, brands, equipment and fertilizers. |
| Fertilization support | Search dosing regimes, calculate product doses, nutrient gaps and weekly totals. |
| Aquarium calculators | Estimate tank volume, weight, water changes, water chemistry, unit conversions and equipment needs. |
| Habitat planning | Generate a complete advisory tank plan with species, plants, products, warnings, motivations and related guides. |
| Guide retrieval | Search and retrieve public Atlarium educational content. |
All outputs are advisory. Compatibility checks, diagnostics, fertilization plans, equipment estimates, aquarium calculators and tank suggestions should be verified against real livestock, equipment, water chemistry, local regulations and husbandry constraints.
Quickstart
Use any MCP client that supports remote Streamable HTTP servers:
{
"mcpServers": {
"atlarium": {
"type": "streamable-http",
"url": "https://mcp.atlarium.bio/mcp"
}
}
}
Claude Code remote HTTP example:
claude mcp add --transport http atlarium https://mcp.atlarium.bio/mcp
Smoke check the live endpoint:
curl --fail --silent --show-error https://mcp.atlarium.bio/health
curl --fail --silent --show-error https://mcp.atlarium.bio/.well-known/mcp/server-card.json
pnpm mcp:monitor:public
Client Setup
| Client or host | Setup |
|---|---|
| OpenAI Agents SDK | See examples/openai-agents-python for a Python agent that connects to the remote Streamable HTTP endpoint. |
| Claude Code | Run claude mcp add --transport http atlarium https://mcp.atlarium.bio/mcp, then ask Claude to use Atlarium. |
| Cursor | Copy examples/cursor/mcp.json into your Cursor MCP config and reload Cursor. |
| Windsurf | Copy examples/windsurf/mcp_config.json into Windsurf MCP settings and refresh Cascade MCP servers. |
| VS Code | Copy examples/vscode/mcp.json; VS Code uses type: "http" for remote MCP servers. |
| Antigravity | Use examples/antigravity/mcp.json only in builds that support remote MCP servers. |
| Generic Streamable HTTP | Use the JSON-RPC examples in examples/generic-streamable-http. |
| ChatGPT Apps | Submitted for review with the Habitat Explorer widget; use examples/chatgpt-apps for review notes, smoke prompts and screenshot checklist. Public approval is not claimed. |
These are compatibility notes, not vendor endorsements. Do not make vendor or directory support claims for ChatGPT, Claude, Cursor, Windsurf, VS Code, Antigravity or any directory unless that vendor has accepted the listing.
ChatGPT App And Widget
The server advertises a read-only MCP Apps / ChatGPT Apps widget resource for Apps-compatible hosts:
| Field | Value |
|---|---|
| Resource URI | ui://widget/habitat-explorer.v3.html |
| MIME type | text/html;profile=mcp-app |
| Widget | Atlarium Habitat Explorer |
| Widget domain | https://mcp.atlarium.bio |
| Output mode | Plain JSON text plus structuredContent |
The widget renders public habitat results, profiles, diagnostic summaries, product results, calculator output, compatibility summaries, fertilization plans and habitat suggestions. It does not add write access and does not expose workspace, auth, admin, journal, schedule or measurement data.
ChatGPT Developer Mode screenshots and a short demo recording are checked in
under docs/assets/chatgpt-screenshots/ and docs/assets/chatgpt-app-demo.mp4.
The ChatGPT App is submitted / in review; do not describe it as approved or
publicly available until OpenAI accepts it.
Tool Surface
| Area | Tools |
|---|---|
| Fish and aquatic animals | search_fish, get_fish_profile |
| Aquatic plants | search_plants, get_plant_profile |
| Products and guides | search_products, get_product_profile, search_guides, get_guide |
| Diagnostics | search_algae, get_algae_profile, search_diseases, get_disease_profile, search_plant_problems, get_plant_problem_profile, search_medicines, get_medicine_profile, match_diagnostic_profiles |
| Product catalog | list_product_categories, list_product_brands, search_equipment, get_equipment_profile, search_fertilizers, get_fertilizer_profile |
| Compatibility and water | check_species_compatibility, get_water_parameters, suggest_species_for_tank |
| Fertilization | search_fertilization_regimes, get_fertilization_regime, calculate_fertilizer_dose, calculate_nutrient_gaps, calculate_weekly_dose_totals, generate_fertilization_plan |
| Calculators | calculate_tank_volume, calculate_tank_weight, calculate_water_change, calculate_water_chemistry, convert_units, calculate_equipment_requirements |
| Habitat planner | suggest_habitat_for_tank |
Every tool is registered with read-only annotations:
readOnlyHint: true, openWorldHint: false, destructiveHint: false,
idempotentHint: true.
Guided Prompts
The server advertises guided prompts for species search, compatibility, habitat planning, algae, diseases, plant problems, product selection, fertilization and tank calculations. Prompts guide clients toward the same public read-only tool surface; they do not add new capabilities or write access.
Tool Call Examples
Each example shows the MCP tool name and a minimal valid JSON input. Generic
MCP clients receive plain JSON text; Apps-compatible hosts can also use
structuredContent.
Catalog, plants and guides
search_fish
Purpose: search fish and aquatic animal profiles.
Prompt: "Find beginner-friendly small fish for a 90 L planted tank."
{
"query": "tetra",
"language": "en",
"min_tank_liters": 40,
"max_tank_liters": 120,
"limit": 5
}
Output: matching public animal profiles with slugs, localized names, summary fields and public URLs when available.
get_fish_profile
Purpose: retrieve one structured fish or aquatic animal profile.
Prompt: "Show me the Atlarium profile for Neon Tetra."
{
"slug": "paracheirodon-innesi",
"language": "en"
}
Output: public profile data, care parameters, taxonomy, relationships and localized content where available.
search_plants
Purpose: search aquatic plant profiles.
Prompt: "Find easy foreground or midground plants for low-tech tanks."
{
"query": "anubias",
"language": "en",
"difficulty": "easy",
"limit": 5
}
Output: matching public plant profiles with placement, difficulty and public URLs when available.
get_plant_profile
Purpose: retrieve one structured aquatic plant profile.
Prompt: "Open the plant profile for Anubias barteri."
{
"slug": "anubias-barteri",
"language": "en"
}
Output: plant requirements, growth information, structured attributes and localized content where available.
search_products
Purpose: search public habitat products.
Prompt: "Find filter products for freshwater tanks."
{
"query": "filter",
"language": "en",
"category": "filter",
"limit": 5
}
Output: product results with brand/category information and public product URLs when available.
get_product_profile
Purpose: retrieve a public product profile.
Prompt: "Show the product profile for this catalog slug."
{
"slug": "seachem/prime",
"language": "en"
}
Output: structured public product data, use cases, brand details and links when available.
search_guides
Purpose: search Atlarium guides and educational content.
Prompt: "Find public guides about cycling an aquarium."
{
"query": "cycling",
"language": "en",
"topic": "aquarium",
"limit": 5
}
Output: guide matches with title, summary, topic and public URLs when available.
get_guide
Purpose: retrieve one public Atlarium guide.
Prompt: "Open the nitrogen cycle guide."
{
"slug": "aquarium/nitrogen-cycle",
"language": "en"
}
Output: structured public guide content and related metadata.
Diagnostics and treatment references
search_algae
Purpose: search algae diagnostic profiles.
Prompt: "Find algae profiles for green dust on aquarium glass."
{
"query": "green dust",
"language": "en",
"difficulty": 2,
"limit": 5
}
Output: algae matches with symptoms, likely causes and advisory guidance.
get_algae_profile
Purpose: retrieve one algae profile.
Prompt: "Show the profile for green spot algae."
{
"slug": "green-spot-algae",
"language": "en"
}
Output: structured public algae profile with symptoms, causes, prevention and advisory response.
search_diseases
Purpose: search aquatic disease profiles.
Prompt: "Find disease profiles for white spots on fish."
{
"query": "white spots",
"language": "en",
"water_type": "freshwater",
"limit": 5
}
Output: possible disease profiles and advisory treatment references.
get_disease_profile
Purpose: retrieve one disease profile.
Prompt: "Open the ich disease profile."
{
"slug": "ich",
"language": "en"
}
Output: symptoms, possible causes, treatment references and disclaimers.
search_plant_problems
Purpose: search aquatic plant deficiency, pest and environment profiles.
Prompt: "Find causes for yellowing leaves in aquarium plants."
{
"query": "yellow leaves",
"language": "en",
"type": "deficiency",
"limit": 5
}
Output: plant problem matches with symptoms, causes and advisory corrections.
get_plant_problem_profile
Purpose: retrieve one plant problem profile.
Prompt: "Open the nitrogen deficiency profile."
{
"slug": "nitrogen-deficiency",
"language": "en"
}
Output: structured deficiency/problem data and advisory guidance.
search_medicines
Purpose: search aquarium medicine and treatment product profiles.
Prompt: "Find public medicine references for ich treatment."
{
"query": "ich",
"language": "en",
"limit": 5
}
Output: medicine/treatment references with public profile data where available.
get_medicine_profile
Purpose: retrieve one medicine profile.
Prompt: "Open the profile for a medicine slug."
{
"slug": "malachite-green",
"language": "en"
}
Output: structured public medicine reference, use notes and disclaimers.
match_diagnostic_profiles
Purpose: match symptom text across algae, disease, plant problem and medicine profiles.
Prompt: "Match fuzzy white growth on driftwood and stressed fish symptoms."
{
"query": "white fuzzy growth and fish flashing",
"language": "en",
"limit": 8
}
Output: likely public diagnostic profiles grouped by relevance.
Products, equipment and fertilizers
list_product_categories
Purpose: list product categories for equipment and fertilizers.
Prompt: "Which public equipment categories are available?"
{
"language": "en",
"type": "equipment"
}
Output: localized public category names and identifiers.
list_product_brands
Purpose: list public product brands.
Prompt: "List brands matching Seachem."
{
"language": "en",
"query": "Seachem"
}
Output: matching public brand names and metadata.
search_equipment
Purpose: search aquarium and habitat equipment products.
Prompt: "Find heaters for a freshwater setup."
{
"query": "heater",
"language": "en",
"use_case": "freshwater",
"limit": 5
}
Output: equipment product matches with structured public catalog fields.
get_equipment_profile
Purpose: retrieve one equipment product profile.
Prompt: "Open this equipment profile."
{
"slug": "eheim/thermocontrol",
"language": "en"
}
Output: public equipment details, category, brand and usage fields when available.
search_fertilizers
Purpose: search fertilizer products and nutrient profiles.
Prompt: "Find liquid fertilizers for planted aquariums."
{
"query": "flourish",
"language": "en",
"category": "fertilizer",
"limit": 5
}
Output: fertilizer product matches and nutrient metadata when available.
get_fertilizer_profile
Purpose: retrieve one fertilizer profile.
Prompt: "Open this fertilizer profile."
{
"slug": "seachem/flourish",
"language": "en"
}
Output: structured fertilizer data, dosing metadata and public catalog details when available.
Compatibility, water and habitat suggestions
check_species_compatibility
Purpose: check basic compatibility among habitat species.
Prompt: "Can Neon Tetra and Corydoras paleatus work in a 90 L planted tank?"
{
"species": ["Paracheirodon innesi", "Corydoras paleatus"],
"language": "en",
"tank_liters": 90,
"ph": 6.8,
"temperature": 24
}
Output: advisory compatibility signals, warnings, rationale and constraints.
get_water_parameters
Purpose: retrieve recommended water parameters for a fish or plant.
Prompt: "What water parameters does Neon Tetra prefer?"
{
"slug": "paracheirodon-innesi",
"type": "fish",
"language": "en"
}
Output: public temperature, pH, GH/KH and related parameter guidance where available.
suggest_species_for_tank
Purpose: suggest aquatic species based on tank and water parameters.
Prompt: "Suggest beginner-friendly species for a 120 L planted tank."
{
"tank_liters": 120,
"language": "en",
"ph": 6.8,
"temperature": 24,
"beginner_friendly": true,
"planted_tank": true,
"limit": 8
}
Output: public species suggestions with warnings and basic rationale.
suggest_habitat_for_tank
Purpose: suggest a complete public habitat plan.
Prompt: "Plan a balanced planted community habitat for 120 L."
{
"tank_liters": 120,
"language": "en",
"ph": 6.8,
"temperature": 24,
"beginner_friendly": true,
"planted_tank": true,
"co2": "low",
"light_level": "medium",
"setup_intent": "community",
"target_difficulty": "balanced",
"water_type": "FRESHWATER",
"limit": 8
}
Output: fish, invertebrates, plants, products, warnings, motivations, related guides and advisory disclaimer.
Fertilization
search_fertilization_regimes
Purpose: search fertilization regimes and dosing philosophies.
Prompt: "Find regimes for low-tech planted tanks."
{
"query": "low tech",
"language": "en",
"topic": "planted",
"limit": 5
}
Output: public regime matches with summary, topics and public URLs when available.
get_fertilization_regime
Purpose: retrieve one fertilization regime.
Prompt: "Open the Estimative Index regime profile."
{
"slug": "estimative-index",
"language": "en"
}
Output: structured public dosing philosophy/regime details.
calculate_fertilizer_dose
Purpose: calculate an advisory fertilizer dose for a catalog product and tank volume.
Prompt: "Calculate the dose of Seachem Flourish for 120 L."
{
"brand_name": "Seachem",
"product_name": "Flourish",
"volume_liters": 120
}
Output: advisory dose estimate and product-related dosing context.
calculate_nutrient_gaps
Purpose: compare nutrient measurements against targets.
Prompt: "Compare my nitrate and potassium readings with planted tank targets."
{
"language": "en",
"volume_liters": 120,
"measurements": [
{
"kind": "nitrogen_mg_l",
"value": 5
},
{
"kind": "potassium_mg_l",
"value": 8
}
],
"targets": {
"nitrogen_mg_l": 10,
"potassium_mg_l": 15
}
}
Output: nutrient gap estimates without saving measurements.
calculate_weekly_dose_totals
Purpose: calculate weekly totals for a non-persistent dosing plan.
Prompt: "Add up my weekly liquid fertilizer plan."
{
"language": "en",
"volume_liters": 120,
"items": [
{
"brand_name": "Seachem",
"product_name": "Flourish",
"method": "LIQUID",
"dose_value": 5,
"dose_unit": "ml",
"days_of_week": [1, 3, 5]
}
]
}
Output: weekly product totals and schedule summary.
generate_fertilization_plan
Purpose: generate an advisory non-persistent fertilization plan.
Prompt: "Generate a balanced planted tank fertilization plan for 120 L."
{
"language": "en",
"volume_liters": 120,
"regime": "balanced",
"targets": {
"nitrogen_mg_l": 10,
"phosphorus_mg_l": 1,
"potassium_mg_l": 15,
"iron_mg_l": 0.1
}
}
Output: advisory plan, nutrient targets, product suggestions and disclaimer.
Calculators
calculate_tank_volume
Purpose: calculate gross and net aquarium volume estimates.
Prompt: "Calculate net volume for a 60 x 30 x 36 cm tank."
{
"shape": "rect",
"length_cm": 60,
"width_cm": 30,
"height_cm": 36,
"substrate_depth_cm": 5,
"hardscape_displacement_liters": 4
}
Output: gross and net volume estimates.
calculate_tank_weight
Purpose: estimate aquarium weight from dimensions and material inputs.
Prompt: "Estimate the filled weight of a 120 L aquarium."
{
"shape": "rect",
"length_cm": 80,
"width_cm": 35,
"height_cm": 45,
"glass_thickness_mm": 8,
"substrate_depth_cm": 6,
"hardscape_weight_kg": 12,
"equipment_weight_kg": 5
}
Output: advisory total weight estimate and component breakdown.
calculate_water_change
Purpose: calculate water change volume, weekly totals and dilution estimates.
Prompt: "How much water is a 30 percent change on 120 L twice per week?"
{
"volume_liters": 120,
"change_percent": 30,
"changes_per_week": 2
}
Output: per-change volume and weekly total estimates.
calculate_water_chemistry
Purpose: calculate hardness conversions, CO2, salinity and water mixing.
Prompt: "Estimate CO2 from pH 6.8 and KH 4."
{
"co2": {
"ph": 6.8,
"kh_dkh": 4
},
"general_hardness": {
"unit": "dgh",
"value": 8
}
}
Output: public chemistry conversions and advisory estimates.
convert_units
Purpose: convert aquarium-relevant units.
Prompt: "Convert 120 liters and 24 C."
{
"volume": {
"unit": "l",
"value": 120
},
"temperature": {
"unit": "c",
"value": 24
}
}
Output: converted values for supported units.
calculate_equipment_requirements
Purpose: calculate advisory heater, lighting and electricity requirements.
Prompt: "Estimate heater and lighting needs for a 120 L aquarium."
{
"heater": {
"volume_liters": 120,
"ambient_c": 20,
"target_c": 25,
"insulation": "normal"
},
"lighting": {
"volume_liters": 120,
"lumens": 3600
},
"electricity": {
"wattage": 100,
"hours_per_day": 8,
"cost_per_kwh": 0.25
}
}
Output: advisory equipment estimates and electricity usage/cost summary.
Discovery And Directory Status
| Directory | Status |
|---|---|
| Official MCP Registry | Published as bio.atlarium/habitat-database; publish the V2 server.json update after coordinated endpoint validation. |
| Glama | Ownership verified; listing healthy with 39 tools and canonical V2 description. |
| Smithery | Published at ilgrafico79/atlarium-habitat-database; latest release SUCCESS, quality score 96/100, parameter descriptions 39/39, custom icon uploaded. Technical verification checks pass; full Smithery verification still requires a paid developer plan. |
| MCP.so | Submitted through the public GitHub issue flow; no public listing badge yet. |
| PulseMCP | Listed publicly; verify badge policy before adding a badge. |
| ChatGPT App | Submitted / in review; no public approval claim yet. |
Publication tracking and reusable submission copy live in
docs/publication-checklist.md, docs/directory-submission-payloads.md and
docs/mcp-submission-cockpit.md.
Local Development
pnpm install
cp .env.example .env
pnpm dev
By default the server listens on http://localhost:43118.
Local development against the Atlarium app:
ATLARIUM_API_BASE_URL=http://localhost:43117/api/public/mcp/v1 pnpm dev
Configuration
MCP_PUBLIC_BASE_URL: public base URL, production defaulthttps://mcp.atlarium.bio.ATLARIUM_API_BASE_URL: public read-only Atlarium API base URL.MCP_ALLOWED_HOSTS: comma-separated host allowlist used for DNS rebinding protection.MCP_TRUST_PROXY: Express proxy trust setting; default1assumes one trusted reverse proxy in production.ATLARIUM_API_TIMEOUT_MS: upstream public API timeout in milliseconds.ATLARIUM_API_RESPONSE_MAX_BYTES: maximum upstream JSON response size.OPENAI_APPS_CHALLENGE_TOKEN: public OpenAI Apps domain verification token served from/.well-known/openai-apps-challenge.
Production deployments must run behind a TLS-terminating reverse proxy or
Ingress that overwrites X-Forwarded-For, X-Forwarded-Host and
X-Forwarded-Proto before traffic reaches this server.
Quality Gate
pnpm lint
pnpm typecheck
pnpm test
pnpm build
pnpm audit:prod
docker build -t atlarium-mcp:local .
With a local server running:
pnpm mcp:conformance
With production DNS and TLS live:
pnpm mcp:monitor:public
pnpm directories:submit -- --check
pnpm mcp:validate:public
pnpm mcp:conformance:public
Contributing
See CONTRIBUTING.md. Public tool changes must update the server
implementation, tests, server-card metadata, server.json, README.md,
docs/mcp.md, docs, examples and directory publication notes in the same
release.
Security
See SECURITY.md. Do not report sensitive security issues in public GitHub
issues.
License
MIT. See LICENSE.
Server Config
{
"mcpServers": {
"atlarium-habitat-database": {
"url": "https://mcp.atlarium.bio/mcp",
"transport": "streamable-http"
}
}
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