caltopo-mcp (sttts/caltopo-mcp) is an MCP server listed on the M8ven Trust Index. It scores 58 out of 100, grade D. It declares 13 tools. No publisher has claimed this listing.

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D
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58/100

caltopo-mcp

HTTP MCP server for managing CalTopo maps from headless agents, enabling map listing, folder management, marker operations, and GPX/KML import/export without a browser.

→ sttts/caltopo-mcp· listed on glama

Caution. Specific findings reduced this grade. They are listed on the page. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.

How we verified

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Who stands behind it

sttts

Source: Glama

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Install from

Glamanot scored here

The grade above is for the source repository. Registries can serve a different version, so we mark the ones we were not able to read.

// key findings
⚠️
Known vulnerabilities in dependencies: 3 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
✅
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
🔐
You'll be asked for 2 credentials: CALTOPO_CREDENTIAL_KEY, CALTOPO_MCP_TOKEN
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// tools this server exposes13 tools

These names and descriptions are the publisher's own, read from the source code. We print them as written. Our assessment is the findings above, not this list.

caltopo_auth_status

Check whether CalTopo credentials can access account data.

caltopo_list_maps

List maps visible in the configured CalTopo account.

caltopo_get_map

Get raw CalTopo map data for a map id.

caltopo_list_folders

List folders inside a CalTopo map.

caltopo_create_folder

Create a folder inside a CalTopo map.

caltopo_update_folder

Rename a folder inside a CalTopo map.

caltopo_delete_folder

Delete a folder from a CalTopo map. CalTopo may move or hide contained items depending on its server behavior.

caltopo_list_markers

List markers inside a CalTopo map.

caltopo_create_marker

Create a marker inside a CalTopo map.

caltopo_update_marker

Update marker properties or coordinates inside a CalTopo map.

caltopo_delete_marker

Delete a marker from a CalTopo map.

caltopo_import_markers

Import GPX waypoints or KML point placemarks as CalTopo markers.

caltopo_export_markers

Export CalTopo markers as GPX or KML content.

// known CVEs in dependencies3 high1 low

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

high@modelcontextprotocol/sdk@1.18.2GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.18.2GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.18.2GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

lowexpress@4.19.2GHSA-qw6h-vgh9-j6wx

express vulnerable to XSS via response.redirect()

Depend on this server? Get alerted when its CVEs change.Watch this server free →
// environment variables
To run this server yourself, you supply these values. They go in your own MCP client configuration and stay on your machine. The secret label means the value is sensitive, not that the server mishandles it.
configCALTOPO_ACCOUNT_ID
configCALTOPO_ACTIVATION_FILE.data/activation.local.json
configCALTOPO_CREDENTIAL_ID
🔐 secretCALTOPO_CREDENTIAL_KEY
configCALTOPO_DOMAINcaltopo.com
configCALTOPO_MCP_HOST
configCALTOPO_MCP_PORT
🔐 secretCALTOPO_MCP_TOKENoptional-bearer-token
// quality suggestions

Tool annotations

No tools have read-only/destructive annotations

Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.

All four hints declared on every tool

13/13 tools missing one or more hints — caltopo_auth_status (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); caltopo_list_maps (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); caltopo_get_map (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +10 more. OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.

For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.

Tool inputs are validated

8/13 tool handlers declare input schemas (62%)

Declare an inputSchema with zod/joi/yup on every tool definition.

License file

No license file

Add a LICENSE file (MIT, Apache-2.0, etc.).

Tests exist

No test files found

Add tests that exercise each declared tool.

Production dependencies are patched

0 critical, 3 high severity in production deps — @modelcontextprotocol/sdk@1.18.2 (high), @modelcontextprotocol/sdk@1.18.2 (high)

Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.

Claim the listing to review these findings one by one and send us a correction where you disagree, straight to the team. Claiming also means we tell you when the grade moves, and reach you first if we find anything urgent.

// full audit trail
The findings above are the summary. The full trail, every check we ran, each deduction, the network hosts observed and the dependency advisories, goes to verified publishers, along with an alert whenever a new one lands. Verified publishers can also review each finding and dispute it in one click. Publisher corrections have sharpened several of our checks this month, because the maintainer knows the codebase better than any scanner.
// improvement guidance — verified publishers only
We have 6 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
// embed badge in your README
[![M8ven Verified](https://m8ven.ai/badge/mcp/sttts/caltopo-mcp?variant=verified)](https://m8ven.ai/mcp/sttts/caltopo-mcp)
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commit: 068bcb32edc3cfa74806d26dcb0b1cff508d6d73
code hash: 965e2f76758e7376b4a3f9abe6b9c461f034e2e522c293f86fe998700a9038d9
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