FreshBooks MCP Server (SGTCS26/freshbooks-mcp-server) is an MCP server listed on the M8ven Trust Index. It scores 52 out of 100, grade D. It declares 35 tools. No publisher has claimed this listing.

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D
Caution
52/100

FreshBooks MCP Server

An MCP server for the FreshBooks API that lets Claude read and manage invoices, clients, expenses, projects, services, payments, and time entries.

→ SGTCS26/freshbooks-mcp-server· 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.

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Who stands behind it

SGTCS26

Source: Glama

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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
🚨
Secret credentials may flow to a network call
1 flow detected: FRESHBOOKS_REFRESH_TOKEN. We can’t prove the destination matches the brand the credential belongs to.
⚠️
Known vulnerabilities in dependencies: 17 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
🔐
You'll be asked for 3 credentials: FRESHBOOKS_ACCESS_TOKEN, FRESHBOOKS_CLIENT_SECRET, FRESHBOOKS_REFRESH_TOKEN
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// tools this server exposes35 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.

list_clients

List FreshBooks clients with optional filters. Returns paginated results including client contact info and outstanding balances.

get_client

Get a specific FreshBooks client by their client ID.

create_client

Create a new FreshBooks client.

update_client

Update an existing FreshBooks client.

delete_client

Delete (soft-delete) a FreshBooks client. The client is marked as inactive but not permanently removed.

list_expenses

List FreshBooks expenses with optional filters by client, project, or date range.

get_expense

Get a specific FreshBooks expense by its ID.

create_expense

Create a new FreshBooks expense.

update_expense

Update an existing FreshBooks expense.

list_invoices

List FreshBooks invoices with optional filters by client, status, or date range.

get_invoice

Get a specific FreshBooks invoice by its ID, including all line items.

create_invoice

Create a new FreshBooks invoice for a client.

update_invoice

Update an existing FreshBooks invoice (e.g. change due date, notes, or status).

send_invoice

Send a FreshBooks invoice to the client via email.

list_items

List FreshBooks items (products/services) that can be added to invoices.

get_item

Get a specific FreshBooks item (product/service) by its ID.

list_payments

List FreshBooks payments with optional filters.

get_payment

Get a specific FreshBooks payment by its ID.

create_payment

Record a payment against a FreshBooks invoice.

list_projects

List FreshBooks projects with optional filters.

get_project

Get a specific FreshBooks project by its ID.

create_project

Create a new FreshBooks project.

update_project

Update an existing FreshBooks project.

list_services

List all services defined for the FreshBooks business.

get_service

Get a specific FreshBooks service by its ID.

get_service_rate

Get the global billing rate for a specific FreshBooks service.

list_project_service_rates

List the per-project billing rate overrides for all services on a specific project.

list_time_entries

List FreshBooks time entries with optional filters.

get_time_entry

Get a specific FreshBooks time entry by its ID.

create_time_entry

Log a time entry against a FreshBooks project.

update_time_entry

Update an existing FreshBooks time entry.

delete_time_entry

Delete a FreshBooks time entry.

get_team_member

Get a single team member by their identity_id.

list_team_members

List all team members in the FreshBooks business account, including their identity_id, name, and email.

get_current_user

Get the authenticated FreshBooks user profile, including their account ID and business ID required for other API calls.

// known CVEs in dependencies17 high5 medium8 low

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

high@modelcontextprotocol/sdk@1.10.0GHSA-345p-7cg4-v4c7

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

high@modelcontextprotocol/sdk@1.10.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.10.0GHSA-w48q-cv73-mx4w

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

highaxios@1.7.0GHSA-35jp-ww65-95wh

axios Vulnerable to Full Man-in-the-Middle via Prototype Pollution Gadget in `config.proxy`

highaxios@1.7.0GHSA-3g43-6gmg-66jw

axios Vulnerable to Credential Theft and Response Hijacking via Prototype Pollution Gadget in Config Merge

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// 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.
🔐 secretFRESHBOOKS_ACCESS_TOKENFor stdio A valid FreshBooks access token
configFRESHBOOKS_API_BASENo Override the FreshBooks API base URL (default: https://api.freshbooks.com)
configFRESHBOOKS_CLIENT_IDyour_client_id
🔐 secretFRESHBOOKS_CLIENT_SECRETyour_client_secret
🔐 secretFRESHBOOKS_REFRESH_TOKENyour_refresh_token
configFRESHBOOKS_TOKEN_PATH
configHTTPSHTTP + SSE — for claude.ai custom connectors (requires a public URL)
configMODE"": "stdio"
configSERVER_URLFor HTTP mode Public base URL. Defaults to https://localhost:3443
configSESSIONS_FILENo Path for persisted sessions (default: ~/.freshbooks-mcp/sessions.json)
Deployment configuration, supplied by whoever hosts the server. Users are not asked for these.
deployPORT
// 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

35/35 tools missing one or more hints — list_clients (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); get_client (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); create_client (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +32 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

33/35 tool handlers declare input schemas (94%)

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

Tool handlers catch errors

Only 0/35 tool handlers wrap calls in try/catch (0%)

Wrap each tool handler body in try/catch and return a structured error response.

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.

Shell command execution

1 child_process call — runs shell commands

Prefer library functions over shell-outs. If you must shell out, ensure all inputs are properly escaped.

Production dependencies are patched

0 critical, 17 high severity in production deps — @modelcontextprotocol/sdk@1.10.0 (high), @modelcontextprotocol/sdk@1.10.0 (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 8 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
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commit: dad8de0ab7dbf5b2c2a682163036f6de6019f784
code hash: 8589183e2484e599a4764a89a1c48177cf59deb056eaae3bba61c482832fc10d
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