Hydrogen Studies
by hydrogenstudies.com · remote · no sign-in to list tools · v1.1.0 · published by com.hydrogenstudies
Search, compare and summarize 2,200+ published studies on molecular hydrogen (H2) and health.
8 tools: 8 only read.
Scanned Oct 22, 2026
- Deletes or cancels0Claude Code: deny
- Can't be undone0Claude Code: ask
- Changes things0Claude Code: ask
- Only reads8Claude Code: allow: see these tools
No check matched anything in the tool definitions. No finding is not a safety guarantee. How the checks work.
claude mcp add --transport http research https://hydrogenstudies.com/mcpTools
Open a tool for its reasons and full description. Descriptions are the publisher's own words, shown as they are.
8 tools
Only reads 8Claude Code: allow
aggregate_studiesCount matching studies grouped by year, subject, design, delivery_method, outcome, country, condition or species — for trends and 'how many' questions.No findings
Why it is in this group
- The description's first verb is "count": a word for reading.
Description, as the server wrote it Count matching studies grouped by year, subject, design, delivery_method, outcome, country, condition or species — for trends and 'how many' questions. Unknown values are counted separately.
Annotations the server declares
- title: Aggregate studies
- readOnlyHint: true
- destructiveHint: false
- openWorldHint: false
compare_evidenceSide-by-side evidence profiles for 2–4 groups of studies, e.g.No findings
Why it is in this group
- The name "compare_evidence" says "compare": a word for reading.
Description, as the server wrote it Side-by-side evidence profiles for 2–4 groups of studies, e.g. inhalation vs drinking water for one condition, or two conditions. Each group is a set of filters merged over the optional shared filters.
Annotations the server declares
- title: Compare evidence
- readOnlyHint: true
- destructiveHint: false
- openWorldHint: false
get_condition_evidenceEvidence profile for a health condition hub: how many studies, human vs animal vs in-vitro, number of human RCTs and participants, outcome mix, delivery methods, publication years,…No findings
Why it is in this group
- The name "get_condition_evidence" says "get": a word for reading.
Description, as the server wrote it Evidence profile for a health condition hub: how many studies, human vs animal vs in-vitro, number of human RCTs and participants, outcome mix, delivery methods, publication years, data coverage, and the strongest studies.
Annotations the server declares
- title: Condition evidence profile
- readOnlyHint: true
- destructiveHint: false
- openWorldHint: false
get_database_statsSize and makeup of the database: total studies, breakdown by subject and design, year range, and field coverage.No findings
Why it is in this group
- The name "get_database_stats" says "get": a word for reading.
Description, as the server wrote it Size and makeup of the database: total studies, breakdown by subject and design, year range, and field coverage.
Annotations the server declares
- title: Database stats
- readOnlyHint: true
- destructiveHint: false
- openWorldHint: false
get_studyFull record for one study: citation, design, population, H2 protocol (delivery, concentration, dosage), outcome, our plain-language summary and key finding, limitations, quality sc…No findings
Why it is in this group
- The name "get_study" says "get": a word for reading.
Description, as the server wrote it Full record for one study: citation, design, population, H2 protocol (delivery, concentration, dosage), outcome, our plain-language summary and key finding, limitations, quality score with red flags, conditions/mechanisms, and links. Accepts an id, slug, DOI or study URL.
Annotations the server declares
- title: Get study
- readOnlyHint: true
- destructiveHint: false
- openWorldHint: false
list_conditionsEvery health condition hub with its study count, evidence grade (where reviewed) and page URL.No findings
Why it is in this group
- The name "list_conditions" says "list": a word for reading.
Description, as the server wrote it Every health condition hub with its study count, evidence grade (where reviewed) and page URL. Use the slug as the `condition` filter.
Annotations the server declares
- title: List conditions
- readOnlyHint: true
- destructiveHint: false
- openWorldHint: false
search_studiesFind molecular hydrogen studies by keywords and/or filters.No findings
Why it is in this group
- The name "search_studies" says "search": a word for reading.
Description, as the server wrote it Find molecular hydrogen studies by keywords and/or filters. Returns compact study records (design, subject, sample size, delivery method, outcome, key finding, url). Sorted by relevance when a query is given, otherwise by strength of evidence.
Annotations the server declares
- title: Search studies
- readOnlyHint: true
- destructiveHint: false
- openWorldHint: false
This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.
Install
Pinned to version 1.1.0. Values in angle brackets are yours to fill in.
claude mcp add --transport http research https://hydrogenstudies.com/mcpRun in a terminal.
Claude Code permissions
Allow the reads, ask before a change, deny the deletes. Paste into .claude/settings.json.
{
"permissions": {
"allow": [
"mcp__research__search_studies",
"mcp__research__get_study",
"mcp__research__get_condition_evidence",
"mcp__research__compare_evidence",
"mcp__research__aggregate_studies",
"mcp__research__find_related_studies",
"mcp__research__list_conditions",
"mcp__research__get_database_stats"
],
"ask": [],
"deny": []
}
}Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. It assumes the server is installed as research. Review it before you use it.