QAmcp

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Directory / JustClaw-It

JustClaw-It

Q: Is JustClaw-It MCP server safe?

QAmcp's test on 31 Oct 2026: No hidden instructions were found in its tool descriptions. Its error messages showed no secrets or internal details. All 8 of its tools are labeled read-only. Overall it scored 89/100 on 31 Oct 2026. A test can only see what the server shows from outside, not what it does with your data behind the scenes. Connect servers from makers you trust.

by justclaw.it.com · https://justclaw.it.com/mcp

Licence-cleared code components for coding agents, with attribution. Search works without a key.

8 tools✓ all read-only✓ no account neededPricing: on their site

See pricing →Visit website

89 /100

PASS · WITH NOTES

12 of 12 checks · 31 Oct 2026

Is JustClaw-It MCP server safe?

No hidden instructions were found in its tool descriptions.
Its error messages showed no secrets or internal details.
All 8 of its tools are labeled read-only.
Overall it scored 89/100 on 31 Oct 2026.

A test can only see what the server shows from outside, not what it does with your data behind the scenes. Connect servers from makers you trust.

What it can do

8 tools, in the server's own words.

search_componentsread-only

Find existing, licence-cleared code (functions, classes, handlers, modules) mined from real open-source repositories, before writing it from scratch.

find_similarread-only

Find alternatives to a component you already have: other licence-cleared implementations of the same job, to compare scores, licences and stacks.

list_categoriesread-only

List the function tags (categories) in the library with how many components each has; the values search_components accepts as `category`.

get_componentread-only

Pull one component's full source code to reuse in the project, with its licence, copyright holder, GitHub permalink and an attribution header to keep with the …

library_statsread-only

Live size of the library: total licence-cleared components, how many carry full source, source repositories, languages and repositories by licence class.

list_licensesread-only

List every source repository in the library with its SPDX licence and copyright holder, i.e.

get_component_bundleread-only

Pro feature.

compose_starterread-only

Pro feature.

Test results

Safe mode: only tools labeled read-only were run. How the test works

!
Ready for the newest MCP version
1 warning
- !Uses an older MCP version (2025-11-25). It works today, but it isn't on the July 2026 version (2026-07-28) yet.
note
!
Every tool is described
6 warnings
- !search_components: Inputs with no description: query, limit, category, min_composite, language, license, offset, max_per_repo
- !find_similar: Inputs with no description: id, limit
- !list_categories: Inputs with no description: limit
- !get_component: Inputs with no description: id
- !get_component_bundle: Inputs with no description: component_id
- !compose_starter: Inputs with no description: prompt, stack
note
✓
ConnectsConnected in 1.4 s
pass
✓
Lists its toolsFound 8 tools
pass
✓
Tools are labeled safe or dangerousEvery tool has a safety label
pass
✓
No hidden instructionsNo hidden instructions found in tool descriptions
pass
✓
Tools work with good inputs
All good
- ✓search_components: Worked (1.2 s)
- ✓find_similar: Answered with an error, probably because of our sample input: find_similar needs a JustClaw-It API key. Get a free key (no card) at https://justclaw.it.com/signup, then send it as the header 'Authoriza…
- ✓list_categories: Answered with an error, probably because of our sample input: list_categories needs a JustClaw-It API key. Get a free key (no card) at https://justclaw.it.com/signup, then send it as the header 'Author…
- ✓get_component: Answered with an error, probably because of our sample input: get_component needs a JustClaw-It API key. Get a free key (no card) at https://justclaw.it.com/signup, then send it as the header 'Authoriz…
- ✓library_stats: Answered with an error, probably because of our sample input: library_stats needs a JustClaw-It API key. Get a free key (no card) at https://justclaw.it.com/signup, then send it as the header 'Authoriz…
- ✓list_licenses: Answered with an error, probably because of our sample input: list_licenses needs a JustClaw-It API key. Get a free key (no card) at https://justclaw.it.com/signup, then send it as the header 'Authoriz…
- ✓get_component_bundle: Answered with an error, probably because of our sample input: get_component_bundle needs a JustClaw-It API key. Get a free key (no card) at https://justclaw.it.com/signup, then send it as the header 'A…
- ✓compose_starter: Answered with an error, probably because of our sample input: compose_starter needs a JustClaw-It API key. Get a free key (no card) at https://justclaw.it.com/signup, then send it as the header 'Author…
pass
✓
Bad inputs give a clean error
All good
- ✓search_components: Refused missing required input "query" with a clear error
- ✓search_components: Refused wrong type for "query" with a clear error
- ✓find_similar: Refused missing required input "id" with a clear error
- ✓find_similar: Refused wrong type for "id" with a clear error
- ✓list_categories: Refused wrong type for "limit" with a clear error
- ✓get_component: Refused missing required input "id" with a clear error
- ✓get_component: Refused wrong type for "id" with a clear error
- ✓get_component_bundle: Refused missing required input "component_id" with a clear error
- and 3 more
pass
✓
Fast enough
All good
- ✓Connecting took 1.4 s
- ✓Listing tools took 145 ms
- ✓Average tool answer: 276 ms
- ✓search_components: Slowest tool: search_components (1.2 s)
pass
✓
No secrets leakedChecked 18 error messages: no secrets or internal details
pass
✓
Follows MCP best practices (not scored yet)Tool names, safety labels and tool list size follow the MCP guide
pass
✓
Resources and prompts work
All good (1 resource)
- ✓Opened 1 of 1 resources
- ✓An address that does not exist gets a clean "not found" error
- –Could not list prompts: the server limited our requests (HTTP 429)
pass
–
Tools work togetherNo tool's answer could be fed into another tool, so there were no chains to test (not counted either way)
not tested

Test it yourself

Free and open source. Same checks, same score.

npx qamcp-cli https://justclaw.it.com/mcp

Show this score on GitHub

Free for every server in the directory. Paste this into your README: the badge shows the score from our latest test.

[![QAmcp score](https://qamcp.dev/s/com-it-justclaw-justclaw-it.svg)](https://qamcp.dev/s/com-it-justclaw-justclaw-it.html)

Score over time

31 Oct 202689

One test so far. New tests will show here.

Reviews

Coming soon: reviews from people who use JustClaw-It, signed in with GitHub, one per person. Reviews never change the score.

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