PlanVoyager
REMOTE · PLANVOYAGER.COM
Compare ACA health plans by real yearly cost, with tax credits, doctors and drugs, from CMS data.
Available components
Last scanned (18 hours ago)
Scores higher than 60% of remote servers
Reachable. Last reached 4 Nov 2026.
Category Health and Science
How this component scores in each security and reliability category. Every signal is checked automatically against the live server, and we only credit what we can confirm. How we score → Why this is hard to score →
Endpoint Security80
- The endpoint's TLS certificate is valid, in date, and uses a strong key. View diagnostics → Pass
- No authorisation is required to call this server. Every tool declares its destructiveHint and none is destructive, so open access doesn't expose one. See how to fix → View diagnostics → Partial
- HTTPS is enforced; there's no plaintext access path. View diagnostics → Pass
- The HSTS (Strict-Transport-Security) header is present. View diagnostics → Pass
- DNSSEC check failed: this domain isn't protected by DNSSEC. See how to fix → View diagnostics → Fail
Transport & Reachability100
- Verified streamable-http transport via a live MCP handshake. View diagnostics → Pass
Schema Quality & AI Usability67
- AI-judged instruction clarity (good).Pass
- Context-footprint check failed: tool/resource definitions use about 790 tokens (~158/item across 5 items; 5 tools + 0 resources), over budget; trim descriptions and params. See how to fix → Fail
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management13
- Stability observed for 4 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial
Tool Coverage94
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 82% of tool parameters carry a description.Partial
Tool Safety100
- No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.Pass
- We read all 5 captured tool definition(s), and no name or description among them implies an irreversible operation.Pass
- An AI judge read all 6 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities100
- Implements a current MCP spec version (2026-07-28).Pass
Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.
- 2 Nov 26 +1
- The server rewrote its instructions, which are the text every model session reads security
- Schema quality: 139 → 158 ▼ functional
- “search_plans” added an optional parameter “immigration_status” cosmetic
- 1 Nov 26 0
- Stability: unverified → 0.03 ▲ functional
- 31 Oct 26 72
First indexed and scored.
Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.
Captured 4 Nov 2026 · Probed https://planvoyager.com/mcp
TLS valid
Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .
| Subject | Issuer | Valid from | Valid until | Key | Signature | Serial |
|---|---|---|---|---|---|---|
| CN=planvoyager.com | CN=WE1,O=Google Trust Services,C=US | 30 Sept 2026 | 29 Dec 2026 | ECDSA 256 | ECDSA-SHA256 | 1907f253da60d7e0133cec4eabe70e3f |
| SANs: planvoyager.com, *.planvoyager.com | ||||||
| CN=WE1,O=Google Trust Services,C=US (CA) | CN=GTS Root R4,O=Google Trust Services LLC,C=US | 13 Dec 2023 | 20 Feb 2029 | ECDSA 256 | ECDSA-SHA384 | 7ff31977972c224a76155d13b6d685e3 |
| CN=GTS Root R4,O=Google Trust Services LLC,C=US (CA) | CN=GlobalSign Root CA,OU=Root CA,O=GlobalSign nv-sa,C=BE | 15 Nov 2023 | 28 Jan 2028 | ECDSA 384 | SHA256-RSA | 7fe530bf331343bedd821610493d8a1b |
Background: What to check on a remote MCP endpoint →
DNSSEC insecure
Validation of planvoyager.com. — Not signed
| Zone | DS | Keys | Algorithms | Outcome |
|---|---|---|---|---|
| . | trust_anchor | 20326, 38696 | 8, 8 | Verified |
| com. | present | 19718 | 13 | Verified |
| planvoyager.com. | absent | Unsigned (proven) parent-signed NSEC/NSEC3 proves an unsigned delegation |
Authentication No authorisation required
The endpoint answered without asking for a token. Anyone who knows the URL can reach it.
| Result | No authorisation required |
|---|---|
| HTTP status | 200 |
| Header | Value |
|---|---|
| strict-transport-security | max-age=63072000 |
| x-content-type-options | nosniff |
| x-frame-options | DENY |
| referrer-policy | strict-origin-when-cross-origin |
| permissions-policy | camera=(), microphone=(), geolocation=() |
Background: How OAuth 2.1 works in the 2026 MCP spec →
Transports 2 probes
| Transport | URL | Outcome | Status | Location |
|---|---|---|---|---|
| streamable-http | https://planvoyager.com/mcp | Verified | 200 | |
| http (plaintext) | http://planvoyager.com/mcp | HTTPS enforced | 308 | https://planvoyager.com/mcp |
The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability. A tool's description is untrusted text the model reads on every call, which is what makes this list a security surface and not just an inventory: how tool poisoning works →
check_coverage Check doctors and drugs ~78
Check whether plans cover specific medications (by RxCUI) and have specific doctors in network (by NPI). Use search_drugs and search_doctors first to get the ids.
| Name | Type | Req | Description |
|---|---|---|---|
| npis | array | – | – |
| plan_ids | array | yes | plan_id values from search_plans |
| rxcuis | array | – | – |
No output schema declared.
No examples provided.
get_plan Get plan details ~82
Full details for one plan: deductible, out-of-pocket max, copays, drug tiers, key benefits, and what the person would pay in the plan's official coverage examples (having a baby, managing diabetes, a simple fracture).
| Name | Type | Req | Description |
|---|---|---|---|
| plan_id | string | yes | plan_id from search_plans, e.g. 16842FL0120001-04 |
No output schema declared.
No examples provided.
search_doctors Find a doctor ~53
Look up a doctor near a ZIP code to get their NPI, needed by check_coverage.
| Name | Type | Req | Description |
|---|---|---|---|
| query | string | yes | Doctor's name |
| zip | string | yes | 5-digit ZIP near the doctor |
No output schema declared.
No examples provided.
search_drugs Find a medication ~67
Look up a medication by name (generic or brand) to get its RxCUI, needed by check_coverage. Pick the entry matching the strength and form the person takes.
| Name | Type | Req | Description |
|---|---|---|---|
| query | string | yes | Drug name, e.g. "metformin" or "Ozempic" |
No output schema declared.
No examples provided.
search_plans Search health plans ~302
Find ACA Marketplace plans for a household, with the premium tax credit applied and plans ranked by estimated total yearly cost. Also reports the monthly tax credit, cost-sharing reduction (extra-savings Silver) eligibility and likely Medicaid eligibility.
| Name | Type | Req | Description |
|---|---|---|---|
| ages | array | yes | Age of each person who needs coverage |
| annual_income | number | – | Expected household income (MAGI) for the coverage year, in dollars. Needed for the tax credit. |
| big_event | string | – | Anything big planned this year |
| expected_care | string | – | checkups = preventive only; some = a few visits; ongoing = a chronic condition or regular meds |
| household_size | integer | – | People in the tax household, including those not enrolling. Defaults to the number of ages. |
| immigration_status | array | – | Per person, same order as ages. citizen = U.S. citizen or national; eligible-alien = green card holder, Cuban/Haitian entrant or COFA migrant; lawfully-present = work or student visa, asylum, refugee… |
| limit | integer | – | – |
| metal | string | – | Only this metal tier |
| tobacco | array | – | Tobacco use per person, same order as ages |
| zip | string | yes | 5-digit US ZIP code |
No output schema declared.
No examples provided.
How do I install the PlanVoyager MCP server?
PlanVoyager is a hosted endpoint at https://planvoyager.com/mcp, so there is nothing to install locally. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.
remote · planvoyager.com
claude mcp add --transport http gcarrenos-planvoyager 'https://planvoyager.com/mcp'
What is the PlanVoyager MCP server?
PlanVoyager is an MCP server listed in the public MCP registry as io.github.gcarrenos/planvoyager. Compare ACA health plans by real yearly cost, with tax credits, doctors and drugs, from CMS data. This page covers its hosted endpoint (https://planvoyager.com/mcp).
Is the PlanVoyager MCP server safe to use?
PlanVoyager scores 73 out of 100 on VerifyMCP. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.
What tools does the PlanVoyager MCP server expose?
PlanVoyager exposes 5 tools: search_plans, get_plan, search_drugs, search_doctors, check_coverage. Their descriptions and schemas cost roughly 582 tokens of context every time the server is loaded.
Does the PlanVoyager MCP server require authentication?
No. We connected to PlanVoyager without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.
Is the PlanVoyager MCP server still maintained?
PlanVoyager is still listed as active in the MCP registry. We last reached this channel on 4 November 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.