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MCP live MCP 2026-07-28 streamable-http

Catalyst evidence graph

ai.catalystproject/evidence-graph

Findings on what compounds and supplements do in the body, with evidence strength, quote and paper.

Website ↗
Watch this dependency Share evidence report
Uptime
100.0%
5 direct probes · 30d
Response
958ms
last probe
Tools
7
callable
Resources
2
readable
Prompts
1
available
Primary URL
https://catalystproject.ai/mcp
Score: 100/100
Handshake verified by our own probe.
pass Answers the MCP handshake 50/50
The handshake and the list calls succeeded on the primary URL.
pass Lists tools, resources or prompts 30/30
7 tools, 2 resources, 1 prompts returned.
pass 3 or more catalogue items 10/10
10 items in total; 3 or more earns these points.
pass Describes itself 10/10
99 characters; more than 30 earns these points.

Tools · 7

find_evidence

Answers "what does X do?" and "does X affect Y?" for a supplement, nutrient, drug, food compound or plant (for example "does magnesium help sleep?", "what is creatine shown to do?", "omega-3 and trigl…

search_nodes

Looks up the node id for a compound, protein, organism or outcome by name or synonym (for example "CoQ10", "caffeine", "CYP1A2", "sleep"). Use it to get the id that get_findings, get_finding, get_rela…

get_findings

Lists the curated study findings for one node by id, from search_nodes: for a compound, organism or material, what it has been shown to affect; for an outcome, which compounds have been studied agains…

get_finding

Explains one finding by its finding id: the claim, its evidence strength and what that level means, the verbatim quote, the study design and the paper, and evidence_strength_reasons, each rule that se…

get_relations

Lists what public reference databases (Reactome, UniProt, Rhea, ChEBI and others) record about one node by id, from search_nodes: transporters, enzymes, pathways, expression. Every row is assertion_cl…

get_reactions

Lists the biochemical reactions from Rhea and Human-GEM that a compound is a substrate or product of, or that a protein (enzyme) catalyses or transports, by node id from search_nodes. It lists reactio…

reach

Answers a route question: "can X become Y in the body" (give from_id and to_id) and "what can X become" (give only from_id). Both ids are compound node ids from search_nodes, so a question that names …

Resources · 2

evidence-card

Draws find_evidence results with the strength of each finding.

ui://catalyst/evidence-card.html
guide

The five levels of evidence strength and how to cite a finding.

catalyst://guide

Prompts · 1

answer_with_evidence

Answer a question about what a substance does in the body from Catalyst, giving the strength of the evidence for every claim.

How to use

Claude Desktop or claude.ai: add a custom connector (Customize → Connectors; on Team and Enterprise plans an owner adds it under Organization settings → Connectors) with this server URL: https://catalystproject.ai/mcp

Cursor or Cline: add to your MCP config:

{
  "mcpServers": {
    "catalyst_evidence_graph": {
      "url": "https://catalystproject.ai/mcp",
      "transport": "streamable-http"
    }
  }
}

Source: github.com/colorcatalyst/catalyst-mcp