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Health Data Avatar (HDA)
Read-only access to your own medical records, medications and wearable data in Health Data Avatar.
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What the Health Data Avatar (HDA) connector does
The Health Data Avatar MCP server connects your own medical records to Claude, ChatGPT and any MCP-compatible agent. Health Data Avatar documents ten tools that read the documents, medications, wearable data and questionnaires stored in HDA — so you can ask about your health history without pasting files into the conversation. Sign-in is OAuth 2.1 with PKCE.
Verified connector
Listed by Anthropic as a partner connector in its Connectors Directory.
Connection checked by Agentman on .
Anthropic states this reflects the level of review a connector received, not a security audit.
Health Data Avatar (HDA) tools (10)
Tool names from Anthropic's directory listing. This server requires sign-in, so we could not read tool descriptions or parameter schemas.
Limits
- Health Data Avatar publishes no data-handling posture for this connector. No HIPAA or GDPR statement, no data residency, no retention period, no subprocessor list, no statement of whether the record is patient-identifiable as held. Its security section is three bullets, quoted in full above. This is the most significant gap on the page.
- We could not read the privacy policy or the terms of service. Both are client-rendered Wix pages; the privacy policy served 823,700 bytes containing 79 words of visible text on 2026-09-09. Anthropic's directory links the privacy policy, so a reader following that link in a browser will see more than any fetch route gave us.
- The connector requires the Premium plan at £10/month, per HDA's pricing page. The connector documentation does not say so.
- We never read a live tool list. The endpoint returned HTTP 401, so the ten names, their grouping and their behaviour come from the vendor's page and Anthropic's directory — not from schemas we read. We have no safety annotations for any tool, so nothing on this page carries a machine-checkable read-only guarantee.
- The directory lists 2 tools and the vendor documents 10. We could not determine which is current. Authorise against the wider surface.
- The two OAuth documents disagree about scopes —
mcp:readin one,mcp:readandmcp:appendin the other. No published document tells you what the consent screen will offer. - Rate limits are unknown. Health Data Avatar publishes none for the MCP server, and we did not probe for any.
- Apple Health sync is beta-gated, per HDA's own FAQ answer: it is available to beta testers of its iOS app. Oura and Whoop are named without that qualification.
- The connector reads; it does not interpret. These tools return records, transcripts, dosages and observations. Nothing on this page is medical advice, and a figure an assistant reads out of a transcript is only as good as the extraction that produced it.
- Health Data Avatar's help content is reachable through
search_faq, but its public FAQ page is not fetchable. The marketing site's FAQ renders its questions and its category headings — including "Security and Privacy" — while the answers load from an authenticated Wix app API we did not have access to. Six of its seven categories were unreadable to us.
Frequently asked questions
How many tools does the Health Data Avatar MCP server have?
Health Data Avatar documents ten. Anthropic's directory entry lists two, get_files_manifest and get_file_transcript. The vendor's own connector page names eight more covering medications, wearable data, questionnaires, help search and feedback. The endpoint returned HTTP 401 to our anonymous request on 2026-09-09, so we read no live tool list and cannot settle which surface is current.
What health data can an AI assistant read through the HDA connector?
Your documents, medications, wearable data and questionnaire answers, according to Health Data Avatar. Its connector page describes a manifest of uploaded files and journals with titles, dates and tags; the extracted plain text of any single file plus your own notes on it; every medication with dosage, dates and source document; wearable statistics and individual sleep and workout events; and your questionnaire responses.
Does the Health Data Avatar connector need a paid plan?
Yes. Health Data Avatar's pricing page lists MCP Server under the Premium tier at ten pounds per month, and not under the Free tier. The free plan covers storage, document processing, search, exports, journals, annotations and Telegram, but the MCP connector sits alongside Chat and PII Redaction in the paid column. The vendor's connector page does not mention this requirement.
Can the HDA connector change or delete anything in my health record?
One documented tool writes, and it does not touch your record. Health Data Avatar describes submit_hda_feedback as sending anonymous product feedback to its team, only after you explicitly agree, and not linked to your account. The other nine documented tools retrieve. We read no tool annotations, so this is the vendor's account of its own server rather than our observation.
How does Health Data Avatar authenticate the Claude connector?
OAuth 2.1 with PKCE. We read the server's own metadata on 2026-09-09: it publishes S256 as the only code challenge method, and its authorize endpoint rejects a request that omits code_challenge as a missing required field. The server issues its own tokens, supports dynamic client registration, and publishes a revocation endpoint. There is no API key path.
What OAuth scopes does the Health Data Avatar MCP server request?
Its two metadata documents disagree. The RFC 9728 protected-resource descriptor for the endpoint publishes one scope, mcp:read. The authorization-server metadata on the same host publishes two, mcp:read and mcp:append. We read both on 2026-09-09. Health Data Avatar documents no scope names at all, so we cannot tell you which set a consent screen offers.
How do I revoke the Health Data Avatar connector's access?
Two ways, both stated by Health Data Avatar. Open the Integrations page in your HDA account and revoke there, which the vendor says immediately invalidates all active tokens. Or disconnect the connector from inside Claude. The server also publishes an OAuth revocation endpoint, which we read on 2026-09-09 but did not exercise, having no token.
Does Health Data Avatar say whether it is HIPAA or GDPR compliant?
Not anywhere we could read. Health Data Avatar's connector page lists three security properties: HTTPS transport, OAuth 2.1 with PKCE, and that HDA does not see your conversations with other chatbots. It names no regulatory framework, no data residency, no retention period and no subprocessor. Its privacy policy and terms pages did not render text to any route we tried.
Sources
- Health Data Avatar MCP connector documentation (fetched 2026-09-09). The page is a client-rendered single-page app: the HTML served to a fetch is 912 bytes carrying a 28-word
noscriptfallback. The documentation itself — all ten tool names in<code>elements, the security bullets, the connect and revoke steps, and a vendor-authored FAQPage JSON-LD with five questions — lives in the page's JavaScript bundle at/assets/index-CN9WAY53.js(469,487 bytes, fetched 2026-09-09), which is the source of every vendor tool description on this page. · retrieved 2026-09-09 - Health Data Avatar support
llms.txt(fetched 2026-09-09; a two-page index naming the MCP page and a ticket form) · retrieved 2026-09-09 - Health Data Avatar support
robots.txt(fetched 2026-09-09;Allow: /for all agents, noContent-Signalline) · retrieved 2026-09-09 - Health Data Avatar support
sitemap.xml(fetched 2026-09-09; three URLs — root,/mcp,/ticket. There is no hidden doc route) · retrieved 2026-09-09 - Health Data Avatar pricing (fetched 2026-09-09; the sole source of the Premium £10/month requirement) · retrieved 2026-09-09
- Health Data Avatar features (fetched 2026-09-09; FHIR and LLM-markup export, PII redaction, encryption and secure storage as product claims) · retrieved 2026-09-09
- Health Data Avatar marketing
llms.txt(fetched 2026-09-09; the source that disclosed the Wix Site MCP endpoint) · retrieved 2026-09-09 - Health Data Avatar marketing
robots.txt(fetched 2026-09-09;Allow: /, noContent-Signalline) · retrieved 2026-09-09 - Anonymous MCP probe against
https://hda-mcp.healthdataavatar.com/mcp— HTTP 401 with aWWW-Authenticate: Bearerchallenge namingresource_metadata(2026-09-09). Junk-bearer and malformed-JSON probes returned the identical 401. No tool list read, no tool ever called. · retrieved 2026-09-09 - Health Data Avatar RFC 9728 protected-resource metadata (fetched 2026-09-09;
scopes_supported: ["mcp:read"]). The bare path and three invented sibling names each returned 404, which is what makes the 200 meaningful. · retrieved 2026-09-09 - Health Data Avatar authorization-server metadata (fetched 2026-09-09;
scopes_supported: ["mcp:read", "mcp:append"], S256 PKCE, dynamic client registration, revocation endpoint) · retrieved 2026-09-09 - Health Data Avatar privacy policy (fetched 2026-09-09; HTTP 200 but client-rendered — 79 words of visible text, none of it policy content. Not usable as a source, and cited here only to record the attempt) · retrieved 2026-09-09
- Health Data Avatar terms of service (fetched 2026-09-09; HTTP 200, same client-rendered behaviour, no readable text) · retrieved 2026-09-09
- Health Data Avatar public FAQ (fetched 2026-09-09; questions and category names render, answers do not) · retrieved 2026-09-09
- Health Data Avatar GitHub organisation (read via the GitHub API 2026-09-09; three public repositories —
canonizr,canonizr-hdaandhda-skills. · retrieved 2026-09-09 - Anthropic Connectors Directory entry (snapshot dated 2026-09-08). Health Data Avatar's directory entry publishes no slug, so this page's URL name was chosen by Agentman; the entry is resolved by its
nameand endpoint instead. · retrieved 2026-09-08 - Health Data Avatar support — <support@healthdataavatar.com> · Vendor
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