thinkhard.si prompt tools
REMOTE · THINKHARD.SI
669 work prompts, prompt and answer checks, a job planner, a prompt linter and AI prices.
Available components
Last scanned (5 hours ago)
Scores higher than 81% of remote servers
Reachable. Last reached 5 Nov 2026.
Category AI and Machine Learning
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 Usability77
- 100% of prompts and resources have a non-trivial description (not blank, and not just the item's name).Pass
- AI-judged instruction clarity (good).Pass
- Context-footprint check failed: tool/resource definitions use about 2613 tokens (~186/item across 14 items; 14 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 Management43
- Stability observed for 13 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial
Tool Coverage99
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 96% of tool parameters carry a description.Partial
- Structured output schemas are declared (100% of tools); any adoption earns full credit.Pass
Tool Safety100
- No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.Pass
- We read all 14 captured tool definition(s), and no name or description among them implies an irreversible operation.Pass
- An AI judge read all 15 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities100
- Implements a supported MCP spec version (2025-11-25); the latest is 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.
- 5 Nov 26 +1
- This server's schema is too large to store in full, so we cannot compare its tools day to day functional
- 4 Nov 26 −1
- Schema quality: 164 → 186 ▼ functional
- Schema quality: excellent → good functional
- This server's schema is too large to store in full, so we cannot compare its tools day to day functional
- 3 Nov 26 +1
- This server's schema is too large to store in full, so we cannot compare its tools day to day functional
- 2 Nov 26 0
- This server's schema is too large to store in full, so we cannot compare its tools day to day functional
- 1 Nov 26 +1
- This server's schema is too large to store in full, so we cannot compare its tools day to day functional
- 31 Oct 26 +1
- Tool coverage: 75% → 100% ▲ functional
- Schema quality: good → excellent functional
- This server's schema is too large to store in full, so we cannot compare its tools day to day functional
- 30 Oct 26 0
- Schema quality: 760 → 1139 ▼ functional
- Tool coverage: 86% → 75% ▼ functional
- This server's schema is too large to store in full, so we cannot compare its tools day to day functional
- 29 Oct 26 +1
- This server's schema is too large to store in full, so we cannot compare its tools day to day functional
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 5 Nov 2026 · Probed https://thinkhard.si/mcp
TLS valid
Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .
| Subject | Issuer | Valid from | Valid until | Key | Signature | Serial |
|---|---|---|---|---|---|---|
| CN=thinkhard.si | CN=YE2,O=Let's Encrypt,C=US | 4 Oct 2026 | 2 Jan 2027 | ECDSA 256 | ECDSA-SHA384 | 6a32003a0a450a81263817a5b831485eaad |
| SANs: thinkhard.si, www.thinkhard.si | ||||||
| CN=YE2,O=Let's Encrypt,C=US (CA) | CN=Root YE,O=ISRG,C=US | 3 Sept 2025 | 2 Sept 2028 | ECDSA 384 | ECDSA-SHA384 | 4df3b15dd6c0784c507cd37b58e6f115 |
| CN=Root YE,O=ISRG,C=US (CA) | CN=ISRG Root X2,O=Internet Security Research Group,C=US | 13 May 2026 | 2 Sept 2032 | ECDSA 384 | ECDSA-SHA384 | 872165fc34b6e5fba8add5b3705fb53a |
| CN=ISRG Root X2,O=Internet Security Research Group,C=US (CA) | CN=ISRG Root X1,O=Internet Security Research Group,C=US | 13 May 2026 | 2 Sept 2032 | ECDSA 384 | SHA256-RSA | 6c8f1dc727c7117f7baf853ac980f9cd |
Background: What to check on a remote MCP endpoint →
DNSSEC insecure
Validation of thinkhard.si. — Not signed
| Zone | DS | Keys | Algorithms | Outcome |
|---|---|---|---|---|
| . | trust_anchor | 20326, 38696 | 8, 8 | Verified |
| si. | present | 42378 | 13 | Verified |
| thinkhard.si. | 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=31536000 |
| content-security-policy | default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data: blob:; font-src 'self'; connect-src 'self' https: http://localhost:* http://127.0.0.1:*; worker-src 'self' blob:; manifest-src 'self'; frame-ancestors 'none'; base-uri 'self'; form-action 'self'; object-src 'none' |
| x-content-type-options | nosniff |
| x-frame-options | DENY |
| referrer-policy | strict-origin-when-cross-origin |
| permissions-policy | camera=(), microphone=(), geolocation=(), payment=(), usb=() |
Background: How OAuth 2.1 works in the 2026 MCP spec →
Transports 2 probes
| Transport | URL | Outcome | Status | Location |
|---|---|---|---|---|
| streamable-http | https://thinkhard.si/mcp | Verified | 200 | |
| http (plaintext) | http://thinkhard.si/mcp | HTTPS enforced | 301 | https://thinkhard.si/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 →
audit_library ~131
No description provided.
| Name | Type | Req | Description |
|---|---|---|---|
| prompts | array | – | – |
| text | string | – | – |
| Name | Type | Req | Description |
|---|---|---|---|
| clusters | array | yes | – |
| coverage | array | yes | – |
| distribution | array | yes | – |
| fix_first | array | yes | – |
| gaps | array | yes | – |
| prompts | array | yes | – |
| summary | object | yes | – |
No examples provided.
build_assistant ~286
No description provided.
| Name | Type | Req | Description |
|---|---|---|---|
| actions | boolean | – | – |
| audience | string | – | – |
| handoff | string | – | – |
| knowledge | string | – | – |
| language | string | – | – |
| name | string | – | – |
| never | string | – | – |
| personal | boolean | – | – |
| platform | string | – | – |
| purpose | string | yes | – |
| tone | string | – | – |
| Name | Type | Req | Description |
|---|---|---|---|
| audience | string | yes | – |
| chars | integer | yes | – |
| description | string | yes | – |
| files | array | yes | – |
| instructions | string | yes | – |
| jobs | array | yes | – |
| name | string | yes | – |
| platform | object | yes | – |
| protected | integer | yes | – |
| protections | array | yes | – |
| protections_total | integer | yes | – |
| sections | array | yes | – |
| settings | array | yes | – |
| starters | array | yes | – |
| tests | array | yes | – |
| topics | array | yes | – |
| warnings | array | yes | – |
| words | integer | yes | – |
No examples provided.
check_agent_brief ~200
No description provided.
| Name | Type | Req | Description |
|---|---|---|---|
| agent | string | – | – |
| brief | string | yes | – |
| repo | string | – | – |
| Name | Type | Req | Description |
|---|---|---|---|
| agent | object | yes | – |
| line | string | yes | – |
| parts | array | yes | – |
| readiness | integer | yes | – |
| rewrite | string | yes | – |
| risks | array | yes | – |
| standing | string | yes | – |
| type | object | yes | – |
| words | integer | yes | – |
No examples provided.
check_answer ~253
No description provided.
| Name | Type | Req | Description |
|---|---|---|---|
| answer | string | yes | – |
| prompt | string | yes | – |
| system | string | – | – |
| target | string | – | – |
| Name | Type | Req | Description |
|---|---|---|---|
| answer | object | yes | – |
| facts | object | yes | – |
| has_material | boolean | yes | – |
| rules | array | yes | – |
| summary | object | yes | – |
| tests | array | yes | – |
No examples provided.
define_ai_term ~112
No description provided.
| Name | Type | Req | Description |
|---|---|---|---|
| limit | integer | – | – |
| term | string | yes | – |
| Name | Type | Req | Description |
|---|---|---|---|
| terms | array | yes | – |
No examples provided.
estimate_ai_cost ~183
No description provided.
| Name | Type | Req | Description |
|---|---|---|---|
| calls_per_month | integer | – | – |
| input_tokens | integer | – | – |
| models | array | – | – |
| output_tokens | integer | – | – |
| prompt_text | string | – | – |
| Name | Type | Req | Description |
|---|---|---|---|
| calls_per_month | integer | yes | – |
| checked | string | yes | – |
| input_tokens | integer | yes | – |
| models | array | yes | – |
| output_tokens | integer | yes | – |
No examples provided.
fix_bad_answer ~154
No description provided.
| Name | Type | Req | Description |
|---|---|---|---|
| limit | integer | – | – |
| problem | string | yes | – |
| Name | Type | Req | Description |
|---|---|---|---|
| matches | array | yes | – |
No examples provided.
get_prompt ~142
No description provided.
| Name | Type | Req | Description |
|---|---|---|---|
| prompt | string | yes | – |
| values | object | – | – |
| Name | Type | Req | Description |
|---|---|---|---|
| id | string | yes | – |
| open_blanks | array | yes | – |
| prompt | string | yes | – |
| slug | string | yes | – |
| system | string | yes | – |
| title | string | yes | – |
| url | string | yes | – |
No examples provided.
get_prompt_pattern ~182
No description provided.
| Name | Type | Req | Description |
|---|---|---|---|
| limit | integer | – | – |
| query | string | – | – |
| Name | Type | Req | Description |
|---|---|---|---|
| patterns | array | yes | – |
No examples provided.
grade_prompt ~209
No description provided.
| Name | Type | Req | Description |
|---|---|---|---|
| prompt | string | yes | – |
| system | string | – | – |
| target | string | – | – |
| Name | Type | Req | Description |
|---|---|---|---|
| band | string | yes | – |
| checks | array | yes | – |
| engine | object | – | – |
| score | integer | yes | – |
| target | string | yes | – |
No examples provided.
lint_prompts ~194
No description provided.
| Name | Type | Req | Description |
|---|---|---|---|
| code | string | – | – |
| files | array | – | – |
| format | string | – | – |
| path | string | – | – |
| Name | Type | Req | Description |
|---|---|---|---|
| catalog_checked | string | yes | – |
| findings | array | yes | – |
| models | array | yes | – |
| prompts | array | yes | – |
| summary | object | yes | – |
No examples provided.
list_collections ~27
No description provided.
Input schema present but exposes no named parameters.
| Name | Type | Req | Description |
|---|---|---|---|
| collections | array | yes | – |
No examples provided.
plan_workflow ~177
No description provided.
| Name | Type | Req | Description |
|---|---|---|---|
| job | string | yes | – |
| material | string | – | – |
| max_steps | integer | – | – |
| Name | Type | Req | Description |
|---|---|---|---|
| gather | array | yes | – |
| steps | array | yes | – |
| summary | object | yes | – |
| values | object | yes | – |
| waves | array | yes | – |
No examples provided.
search_prompts ~220
No description provided.
| Name | Type | Req | Description |
|---|---|---|---|
| collection | string | – | – |
| limit | integer | – | – |
| model | string | – | – |
| query | string | yes | – |
| Name | Type | Req | Description |
|---|---|---|---|
| prompts | array | yes | – |
No examples provided.
How do I install the thinkhard.si prompt tools MCP server?
thinkhard.si prompt tools is a hosted endpoint at https://thinkhard.si/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 · thinkhard.si
claude mcp add --transport http si-thinkhard-prompt-tools 'https://thinkhard.si/mcp'
What is the thinkhard.si prompt tools MCP server?
thinkhard.si prompt tools is an MCP server listed in the public MCP registry as si.thinkhard/prompt-tools. 669 work prompts, prompt and answer checks, a job planner, a prompt linter and AI prices. This page covers its hosted endpoint (https://thinkhard.si/mcp).
Is the thinkhard.si prompt tools MCP server safe to use?
thinkhard.si prompt tools scores 80 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.
Does the thinkhard.si prompt tools MCP server require authentication?
No. We connected to thinkhard.si prompt tools without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.
Is the thinkhard.si prompt tools MCP server still maintained?
thinkhard.si prompt tools is still listed as active in the MCP registry. We last reached this channel on 5 November 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.