MCP Server
Sighttrue
io.github.kaitzyy-dev/sighttrue
What this MCP does
Analyzes open-source dependencies, runtimes, container images, repositories, providers, advisories, licenses, incidents, and model pricing.
Capabilities
Tools
31
tools
advisory_severity
Advisories broken down by severity rather than counted, with identifiers and dates. Requires a key; see https://sighttrue.com/pricing.
Input schema
{'type': 'object', 'required': ['registry', 'name'], 'properties': {'name': {'type': 'string', 'description': 'Package name as the registry spells it.'}, 'registry': {'type': 'string'}}, 'additionalProperties': False}
audit_manifest
Read a whole manifest and return every reading on record for it, ordered by how much a reviewer would want to know. One call instead of one per dependency. Requires a key; see https://sighttrue.com/pricing.
Input schema
{'type': 'object', 'required': ['manifest'], 'properties': {'filename': {'type': 'string'}, 'manifest': {'type': 'string'}}, 'additionalProperties': False}
base_image_check
For a container base image: its size, when it was last rebuilt, and whether the OS underneath it is still supported. Requires a key; see https://sighttrue.com/pricing.
Input schema
{'type': 'object', 'required': ['image'], 'properties': {'image': {'type': 'string'}}, 'additionalProperties': False}
check_before_install
Call this before adding a dependency. Returns only the facts a reviewer would be annoyed to discover afterwards: whether the publisher has withdrawn the package, whether it runs scripts on the installing machine, whether its repository is archived, how many advisories are on record, whether the licence is source-available, and how long since it was actually published. Each fact carries the address of the body that published it. It does not say whether to install; it says what is on record.
Input schema
{'type': 'object', 'required': ['registry', 'name'], 'properties': {'name': {'type': 'string', 'description': 'Package name as the registry spells it.'}, 'registry': {'type': 'string'}}, 'additionalProperties': False}
check_eol
Check whether a runtime, database or framework release is still receiving security fixes, and what to move to. Covers about two dozen products read daily from endoflife.date.
Input schema
{'type': 'object', 'required': ['product'], 'properties': {'cycle': {'type': 'string', 'description': 'Release line, e.g. 3.9 or 20. Omit for every cycle.'}, 'product': {'type': 'string', 'description': 'Product as endoflife.date spells it, e.g. python, nodejs, postgresql.'}}, 'additionalProperties': False}
check_package
Read the current standing of one open-source package: downloads with the window they cover, OpenSSF scorecard, advisory count, licence, whether the repository is archived, and when it was last pushed to.
Input schema
{'type': 'object', 'required': ['registry', 'name'], 'properties': {'name': {'type': 'string', 'description': 'Package name as the registry spells it.'}, 'registry': {'type': 'string'}}, 'additionalProperties': False}
check_provider
Recorded incidents for a hosting or API provider over a window, kept after the provider’s own status page dropped them.
Input schema
{'type': 'object', 'required': [], 'properties': {'days': {'type': 'integer', 'maximum': 730, 'minimum': 1}, 'provider': {'type': 'string', 'description': 'Provider slug, e.g. cloudflare, openai, github. Omit for every provider.'}}, 'additionalProperties': False}
check_stack
Read a whole dependency list at once and report what is archived, what carries advisories, what has a source-available licence, and what has not been pushed to in a year. Use when reviewing a package.json, requirements.txt, Cargo.toml, composer.json or Gemfile.
Input schema
{'type': 'object', 'required': ['registry', 'names'], 'properties': {'names': {'type': 'array', 'items': {'type': 'string'}}, 'registry': {'type': 'string'}}, 'additionalProperties': False}
compare_repositories
Hold two watched repositories against each other across downloads, OpenSSF scorecard, advisories, forks, stars and findings on record. Compares only; it does not pick a winner.
Input schema
{'type': 'object', 'required': ['a', 'b'], 'properties': {'a': {'type': 'string', 'description': 'Repository as owner/name.'}, 'b': {'type': 'string', 'description': 'Repository as owner/name.'}}, 'additionalProperties': False}
diff_since
What changed for a set of packages since a given date, read from the daily archive. Requires a key; see https://sighttrue.com/pricing.
Input schema
{'type': 'object', 'required': ['names', 'since'], 'properties': {'names': {'type': 'array', 'items': {'type': 'string'}}, 'since': {'type': 'string', 'description': 'YYYY-MM-DD.'}}, 'additionalProperties': False}
domain_risk
Whether the domains a package points at — homepage, funding, documentation — still resolve to a registered owner. Requires a key; see https://sighttrue.com/pricing.
Input schema
{'type': 'object', 'required': ['registry', 'name'], 'properties': {'name': {'type': 'string', 'description': 'Package name as the registry spells it.'}, 'registry': {'type': 'string'}}, 'additionalProperties': False}
explain_finding
Given a finding id, return what was measured, when, by whom, and the address it can be checked at. For an agent quoting a figure into a review. Requires a key; see https://sighttrue.com/pricing.
Input schema
{'type': 'object', 'required': ['id'], 'properties': {'id': {'type': 'string'}}, 'additionalProperties': False}
find_model
Find language models by price and context window, from a catalogue read daily across sixty providers. Use this before choosing a model: prices move without announcement and training data is out of date on the day it ships.
Input schema
{'type': 'object', 'required': [], 'properties': {'maxPrice': {'type': 'number', 'description': 'Maximum USD per million prompt tokens.'}, 'provider': {'type': 'string'}, 'minContext': {'type': 'integer', 'description': 'Minimum context window in tokens.'}}, 'additionalProperties': False}
funding_gap
Packages that ask for funding, beside how heavily they are installed and how many people write them. Requires a key; see https://sighttrue.com/pricing.
Input schema
{'type': 'object', 'required': [], 'properties': {'limit': {'type': 'integer'}}, 'additionalProperties': False}
help_availability
For a technology tag: questions asked against questions answered, over time. Requires a key; see https://sighttrue.com/pricing.
Input schema
{'type': 'object', 'required': ['tag'], 'properties': {'tag': {'type': 'string'}}, 'additionalProperties': False}
list_readings
List every reading this server can return, what each one measures, and which require a key. Call this first if unsure which tool answers a question.
Input schema
{'type': 'object', 'required': [], 'properties': {}, 'additionalProperties': False}
model_price_history
Every recorded price for a model, with the date each was read. Requires a key; see https://sighttrue.com/pricing.
Input schema
{'type': 'object', 'required': ['model'], 'properties': {'model': {'type': 'string'}}, 'additionalProperties': False}
model_withdrawn
Models that were in the catalogue and no longer are, with the date last seen. Requires a key; see https://sighttrue.com/pricing.
Input schema
{'type': 'object', 'required': [], 'properties': {}, 'additionalProperties': False}
package_weight_history
How the published artefact size has moved over time. Returns the readings taken, not a verdict. Requires a key; see https://sighttrue.com/pricing.
Input schema
{'type': 'object', 'required': ['registry', 'name'], 'properties': {'name': {'type': 'string', 'description': 'Package name as the registry spells it.'}, 'registry': {'type': 'string'}}, 'additionalProperties': False}
provider_incidents
A provider’s recorded incidents, grouped by the component that failed, over the whole archive rather than the window its status page shows. Requires a key; see https://sighttrue.com/pricing.
Input schema
{'type': 'object', 'required': ['provider'], 'properties': {'provider': {'type': 'string'}}, 'additionalProperties': False}
provider_terms_changed
When a provider last changed its terms or pricing page, from a stored fingerprint of the page. Requires a key; see https://sighttrue.com/pricing.
Input schema
{'type': 'object', 'required': [], 'properties': {'provider': {'type': 'string'}}, 'additionalProperties': False}
provider_transparency
How long a provider takes to acknowledge an incident: the interval between an incident starting and its first public update. Requires a key; see https://sighttrue.com/pricing.
Input schema
{'type': 'object', 'required': [], 'properties': {'provider': {'type': 'string'}}, 'additionalProperties': False}
registry_health
Recorded outages of the package registries themselves, kept after their status pages drop them. Requires a key; see https://sighttrue.com/pricing.
Input schema
{'type': 'object', 'required': [], 'properties': {'registry': {'type': 'string'}}, 'additionalProperties': False}
runtime_deadlines
Support end dates for the runtimes a dependency set requires, including any already past. Requires a key; see https://sighttrue.com/pricing.
Input schema
{'type': 'object', 'required': ['names'], 'properties': {'names': {'type': 'array', 'items': {'type': 'string'}}}, 'additionalProperties': False}
search_repositories
Find watched repositories whose name contains a string, with their current readings. Use it to discover what is covered before calling the other tools.
Input schema
{'type': 'object', 'required': ['query'], 'properties': {'limit': {'type': 'integer', 'minimum': 1}, 'query': {'type': 'string'}}, 'additionalProperties': False}
time_to_fix
Days between an advisory being published and a release appearing that postdates it, per package and as a distribution. Requires a key; see https://sighttrue.com/pricing.
Input schema
{'type': 'object', 'required': ['registry', 'name'], 'properties': {'name': {'type': 'string', 'description': 'Package name as the registry spells it.'}, 'registry': {'type': 'string'}}, 'additionalProperties': False}
typosquat_check
Whether a name is one edit away from a more widely installed package. States that both names exist; which one was meant is the caller’s call. Requires a key; see https://sighttrue.com/pricing.
Input schema
{'type': 'object', 'required': ['registry', 'name'], 'properties': {'name': {'type': 'string', 'description': 'Package name as the registry spells it.'}, 'registry': {'type': 'string'}}, 'additionalProperties': False}
watch_add
Add a package to the caller’s own private watchlist, so later readings are about their stack rather than the public one. The list is private to the key that created it. Requires a key; see https://sighttrue.com/pricing.
Input schema
{'type': 'object', 'required': ['registry', 'name'], 'properties': {'name': {'type': 'string', 'description': 'Package name as the registry spells it.'}, 'registry': {'type': 'string'}}, 'additionalProperties': False}
watch_changes
Everything that has changed across the caller’s private watchlist since a given date: withdrawals, licence changes, advisories, archived repositories and runtimes going out of support. Requires a key; see https://sighttrue.com/pricing.
Input schema
{'type': 'object', 'required': [], 'properties': {'since': {'type': 'string'}}, 'additionalProperties': False}
who_can_publish
How many accounts hold publish rights on a package, as the registry lists them. Answers who can put code on your machine, which is a different question from who writes it. Requires a key; see https://sighttrue.com/pricing.
Input schema
{'type': 'object', 'required': ['registry', 'name'], 'properties': {'name': {'type': 'string', 'description': 'Package name as the registry spells it.'}, 'registry': {'type': 'string'}}, 'additionalProperties': False}
withdrawn_but_installed
Packages whose own publisher has withdrawn them and which are still being installed heavily, with the download figure and the publisher’s notice. Requires a key; see https://sighttrue.com/pricing.
Input schema
{'type': 'object', 'required': [], 'properties': {'limit': {'type': 'integer'}}, 'additionalProperties': False}
History
Recent tool changes
Added
domain_risk
Sept. 17, 2026, 12:42 p.m.
Added
explain_finding
Sept. 17, 2026, 12:42 p.m.
Added
watch_changes
Sept. 17, 2026, 12:42 p.m.
Added
watch_add
Sept. 17, 2026, 12:42 p.m.
Added
diff_since
Sept. 17, 2026, 12:42 p.m.
Added
audit_manifest
Sept. 17, 2026, 12:42 p.m.
Added
help_availability
Sept. 17, 2026, 12:42 p.m.
Added
model_withdrawn
Sept. 17, 2026, 12:42 p.m.
Added
model_price_history
Sept. 17, 2026, 12:42 p.m.
Added
provider_terms_changed
Sept. 17, 2026, 12:42 p.m.
Added
provider_transparency
Sept. 17, 2026, 12:42 p.m.
Added
provider_incidents
Sept. 17, 2026, 12:42 p.m.
Added
registry_health
Sept. 17, 2026, 12:42 p.m.
Added
base_image_check
Sept. 17, 2026, 12:42 p.m.
Added
runtime_deadlines
Sept. 17, 2026, 12:42 p.m.
Added
advisory_severity
Sept. 17, 2026, 12:42 p.m.
Added
time_to_fix
Sept. 17, 2026, 12:42 p.m.
Added
funding_gap
Sept. 17, 2026, 12:42 p.m.
Added
typosquat_check
Sept. 17, 2026, 12:42 p.m.
Added
withdrawn_but_installed
Sept. 17, 2026, 12:42 p.m.
Added
package_weight_history
Sept. 17, 2026, 12:42 p.m.
Added
who_can_publish
Sept. 17, 2026, 12:42 p.m.
Added
list_readings
Sept. 17, 2026, 12:42 p.m.
Added
check_provider
Sept. 17, 2026, 12:42 p.m.
Added
check_eol
Sept. 17, 2026, 12:42 p.m.
Added
find_model
Sept. 17, 2026, 12:42 p.m.
Added
compare_repositories
Sept. 17, 2026, 12:42 p.m.
Added
search_repositories
Sept. 17, 2026, 12:42 p.m.
Added
check_stack
Sept. 17, 2026, 12:42 p.m.
Added
check_package
Sept. 17, 2026, 12:42 p.m.
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