mcp-ts-morph (SiroSuzume/mcp-ts-morph) is an MCP server listed on the M8ven Trust Index. It scores 56 out of 100, grade D. It declares 8 tools. No publisher has claimed this listing.

D
Caution
56/100

mcp-ts-morph

ts-morphをつかったリファクタリング機能をMCPで提供する

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

SiroSuzume

Source: github_code

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Install from

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: 1 critical, 3 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
// tools this server exposes8 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.

change_signature_by_tsmorph

[ts-morph] Add, remove, or reorder parameters of a function/method/arrow-function and propagate the matching argument changes to every call site in the project. ## When to use - Adding a required parameter to a function with many callers (LLM single-edit reliably misses some — this tool guarantees

find_references_by_tsmorph

[ts-morph] Locate the definition AND every reference of a symbol at a given position, project-wide. Read-only. ## When to use - Assessing the blast radius of a planned refactor before changing anything. - Answering "who calls this function?" / "where is this type used?" precisely. - Prefer this ove

find_unused_exports_by_tsmorph

[ts-morph] List exports that have no references outside their declaring file across the project. Read-only. ## When to use - Hunting for dead code candidates after a refactor or migration. - Auditing a module's surface area: which exports does nobody actually consume? - Pre-deletion safety check be

get_type_at_position_by_tsmorph

[ts-morph] Return the TypeChecker-inferred type at a specific position in a TypeScript/JavaScript file, plus the symbol and its declaration location. ## When to use - Quickly verifying "what is the actual inferred type of this variable / expression / function?" without spawning `tsc` or running a f

move_symbol_to_file_by_tsmorph

[ts-morph] Move one top-level symbol (function, variable, class, interface, type, enum) from one file to another, carrying its internal-only dependencies and rewriting all imports/exports across the project. ## When to use - Splitting a large file: move related symbols to a new file one by one. - R

remove_path_alias_by_tsmorph

[ts-morph] Convert path-alias imports/exports (e.g., `@/components/Button`) to relative paths (`../../components/Button`) within a target file or directory. ## When to use - Standardizing on relative paths for a subset of the codebase. - Preparing for a large `rename_filesystem_entry_by_tsmorph` ru

rename_filesystem_entry_by_tsmorph

[ts-morph] Rename or move one or more TypeScript/JavaScript files and/or folders, and automatically rewrite every import/export path that references them. ## When to use - Renaming or moving any .ts/.tsx/.js/.jsx file or directory (single or batch). - Prefer this over `mv` + manual import fixing. T

rename_symbol_by_tsmorph

[ts-morph] Type-aware rename of a TypeScript/JavaScript symbol (function, variable, class, type, interface, enum, etc.) across the entire project. ## When to use - Renaming any symbol that may be imported, re-exported, or referenced in other files. - Prefer this over manual Edit + grep / sed. Ident

// known CVEs in dependencies1 critical3 high

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

criticalvitest@3.1.2GHSA-5xrq-8626-4rwp

When Vitest UI server is listening, arbitrary file can be read and executed

high@modelcontextprotocol/sdk@1.17.5GHSA-345p-7cg4-v4c7

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

high@modelcontextprotocol/sdk@1.17.5GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.17.5GHSA-w48q-cv73-mx4w

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

Depend on this server? Get alerted when its CVEs change.Watch this server free →
// 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

8/8 tools missing one or more hints — change_signature_by_tsmorph (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); find_references_by_tsmorph (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); find_unused_exports_by_tsmorph (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +5 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

Only 1/8 tool handlers declare input schemas (13%)

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

No arbitrary install scripts

Has postinstall/preinstall script — runs arbitrary code on npm install

Remove postinstall/preinstall hooks unless they’re essential.

Production dependencies are patched

0 critical, 3 high severity in production deps — @modelcontextprotocol/sdk@1.17.5 (high), @modelcontextprotocol/sdk@1.17.5 (high)

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

Dev dependencies

1 critical/high in dev-only deps (does not ship to users)

Upgrade dev dependencies when convenient.

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.
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commit: 89c77a880bfb72ce324a7eb6d308d10644c9cd31
code hash: 9d5f70cdc7481973a51fd1522031ec252b1dd14ee8ef97415a45a9e24240064a
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