MARKET MONITOR / CATALOGUE Services 156,684 MCP listed 48,558 x402 108,253 Rails Base / Solana / Polygon / Arbitrum Imported 2026-11-13 · 3 sources
Provider

agents.writerslogic.com

agents.writerslogic.com · 251 listed services · provider site

Regex check x402 REST

Statically analyses an ECMAScript regular expression (up to 500 characters) for catastrophic backtracking (nested or overlapping quantifiers, ambiguous alternation in a loop, backreferences, lookarounds) for agents that...

agents.writerslogic.com Search & Research checked 2026-11-09
0.005 USDC per call per call

Package exists x402 REST

Checks whether up to 10 package names (optionally with a version) exist in the live npm, PyPI or crates.io registry, for coding agents about to add a dependency they may have invented. Per package: exists, latest version...

agents.writerslogic.com Search & Research checked 2026-11-09
0.005 USDC per call per call

Wheel availability x402 REST

Lists the wheels PyPI offers for a package release and picks those compatible with a given CPython version, OS, CPU architecture and libc (glibc or musl version, or macOS version), best match first, for agents choosing b...

agents.writerslogic.com Search & Research checked 2026-11-09
0.005 USDC per call per call

Symbol exists x402 REST

Checks that up to 20 named exports (functions, classes, constants, types, default) exist in the .d.ts files published for an exact npm package version, read from jsDelivr, for coding agents that may be calling an API tha...

agents.writerslogic.com Search & Research checked 2026-11-09
0.005 USDC per call per call

Spdx policy x402 REST

Parses up to 50 SPDX license expressions (AND, OR, WITH exceptions, + or-later, LicenseRef) and evaluates each against a caller policy (allow list, deny list, allowed exceptions, OSI/FSF flags, copyleft tier) for agents...

agents.writerslogic.com Search & Research checked 2026-11-09
0.005 USDC per call per call

Semver check x402 REST

Parses a dependency version range in npm (node-semver), PEP 440 specifier, Cargo requirement or Maven range syntax and tests up to 100 candidate versions against it, for agents that write or review manifests. Returns per...

agents.writerslogic.com Search & Research checked 2026-11-09
0.005 USDC per call per call

Age threshold x402 REST

For up to 100 people, computes age in complete years and months on a caller asOf date, the date they reach each minimum age (the birthday) and the first day they exceed each maximum age, and checks min/max age requiremen...

agents.writerslogic.com Search & Research checked 2026-11-09
0.005 USDC per call per call

Booking change penalty x402 REST

Given a booking start, the moment of change, the booking amount and a tiered policy whose deadlines are either elapsed hours before start ('48 hours') or local calendar days at a local time ('18:00 the day before' in the...

agents.writerslogic.com Search & Research checked 2026-11-09
0.005 USDC per call per call

Storage charge clock x402 REST

Counts days between a received date and a released date for storage, demurrage, detention or parking charges: you state whether the receipt day and the release day count, how free days are counted (calendar or business d...

agents.writerslogic.com Search & Research checked 2026-11-09
0.005 USDC per call per call

Credential coverage x402 REST

Given a required date range (a contract term, a project, a shipment window) and up to 200 credentials each valid from a date to a date (both inclusive), reports the merged covered ranges, every uncovered gap with its fir...

agents.writerslogic.com Search & Research checked 2026-11-09
0.005 USDC per call per call

Shelf life check x402 REST

For up to 100 lots, computes the expiry date from manufacture/fill date + shelf life (days, weeks, months, years; month arithmetic clamps to month end) and from opened date + after-opening life, takes the earlier, and ch...

agents.writerslogic.com Search & Research checked 2026-11-09
0.005 USDC per call per call

Temporal constraints x402 REST

Solves a simple temporal network: up to 40 named time points, up to 200 difference constraints 'b is between min and max minutes after a' and optional fixed instants, relative to a caller origin instant. When consistent...

agents.writerslogic.com Search & Research checked 2026-11-09
0.005 USDC per call per call

Appointment fit x402 REST

Checks one proposed appointment (instant + duration) against a venue's local opening hours per weekday, closed dates or a named holiday calendar, up to 500 existing bookings with a buffer on each side, and a minimum noti...

agents.writerslogic.com Search & Research checked 2026-11-09
0.005 USDC per call per call

Calendar convert x402 REST

Converts a Gregorian date (or a Hebrew, Persian, Ethiopian or Hijri date) to the other calendars via the runtime's ICU, always naming the Hijri variant (Umm al-Qura, tabular civil, tabular astronomical-epoch, ICU astrono...

agents.writerslogic.com Search & Research checked 2026-11-09
0.005 USDC per call per call

Slot intersect x402 REST

Intersects up to 20 participants' free windows (up to 200 each, half-open RFC 3339 intervals with Z or offsets, so mixed time zones are fine) into the common slots at least minMinutes long, optionally clipped to a search...

agents.writerslogic.com Search & Research checked 2026-11-09
0.005 USDC per call per call

Time bucket check x402 REST

For a time zone and a date range of up to 1100 days, lists every offset transition and what it does to local bucketing: the hourly labels that never occur (spring-forward), the hourly labels that occur twice and would me...

agents.writerslogic.com Search & Research checked 2026-11-09
0.005 USDC per call per call

Recurrence expand x402 REST

Expands an RFC 5545 RRULE (FREQ DAILY/WEEKLY/MONTHLY/YEARLY, INTERVAL, COUNT, UNTIL, BYDAY with ordinals, BYMONTHDAY, BYMONTH, BYSETPOS, WKST; DTSTART with TZID; EXDATE) or a crontab(5) expression into up to 366 occurren...

agents.writerslogic.com Search & Research checked 2026-11-09
0.005 USDC per call per call

Naive timestamp hazard x402 REST

Classifies up to 200 timestamp strings as anchored (RFC 3339 with Z or offset), naive local (no offset), date-only, epoch seconds or milliseconds, zone abbreviation, ambiguous numeric date, or unparseable, and lists the...

agents.writerslogic.com Search & Research checked 2026-11-09
0.005 USDC per call per call

Fiscal period x402 REST

Maps up to 100 dates to a fiscal year, quarter, period and week for a caller-defined fiscal calendar: a month-aligned year (starts on day 1 of a named month) or a 52/53-week year ending on a given weekday last in or clos...

agents.writerslogic.com Search & Research checked 2026-11-09
0.005 USDC per call per call

Settlement date x402 REST

Computes the settlement date for a trade date under US equities T+1 (17 CFR 240.15c6-1, compliance date 2024-05-28) counting only days when the NYSE and the Federal Reserve Banks are open, or T+n on a named or caller cal...

agents.writerslogic.com Search & Research checked 2026-11-09
0.005 USDC per call per call

Market session x402 REST

For up to 50 caller-supplied instants, reports whether the NYSE core session (09:30-16:00 America/New_York, 13:00 on early-close days) is open, the reason when closed (weekend, named holiday, before open, after close), t...

agents.writerslogic.com Search & Research checked 2026-11-09
0.005 USDC per call per call

Date claim check x402 REST

Checks up to 200 claims 'Monday 2026-12-28' against the proleptic Gregorian calendar and reports the real weekday, whether the date exists (2026-02-29 does not), and the nearest date carrying the claimed weekday; a claim...

agents.writerslogic.com Search & Research checked 2026-11-09
0.005 USDC per call per call

Week number x402 REST

Returns the week number, week-year, number of weeks in that year and the week's first and last day for up to 200 dates under ISO 8601 (Monday start, week 1 holds 4 January), the US convention (Sunday start, week 1 holds...

agents.writerslogic.com Search & Research checked 2026-11-09
0.005 USDC per call per call

Dst check x402 REST

Checks up to 100 local date-times (YYYY-MM-DDTHH:MM) or offset timestamps against an IANA time zone and reports whether each wall time exists once, never (spring-forward gap) or twice (fall-back overlap), with every real...

agents.writerslogic.com Search & Research checked 2026-11-09
0.005 USDC per call per call

Business deadline x402 REST

Computes the date (and optionally the instant) a business-day deadline falls on, for an agent drafting or checking a contract, notice, SLA or partner response window: '10 clear business days' (both endpoints excluded) or...

agents.writerslogic.com Search & Research checked 2026-11-09
0.005 USDC per call per call

Coa gate x402 REST

Checks the values on a certificate of analysis or test report against specification limits clause by clause (up to 200 clauses), for an agent accepting a lot or a supplier's material. Each clause has a parameter, an opti...

agents.writerslogic.com Search & Research checked 2026-11-09
0.005 USDC per call per call

Calibration coverage x402 REST

Checks whether an instrument's calibration certificate covers an intended measurement, for an agent about to rely on a reading or accept a calibrated device. Three checks: the intended range [min, max] lies inside the ca...

agents.writerslogic.com Search & Research checked 2026-11-09
0.005 USDC per call per call

Bid coverage x402 REST

Checks which required lines of a tender or RFQ are covered by the bids received (up to 200 lines, 30 bidders, 2000 offers), for an agent comparing responses. A line is covered when firm offers (exact item, no condition,...

agents.writerslogic.com Search & Research checked 2026-11-09
0.005 USDC per call per call

Qualifier compare x402 REST

Compares up to 200 requested attribute requirements with the values a supplier quoted (voltage, grade, finish, tolerance, brand, certification), for an agent checking that a quote matches the request before buying. Requi...

agents.writerslogic.com Search & Research checked 2026-11-09
0.005 USDC per call per call

Pack size x402 REST

Finds the cheapest valid order quantity for a requested number of units across up to 50 supplier options, for an agent buying parts or consumables sold in packs. Each option has a pack size (units per pack or notation su...

agents.writerslogic.com Search & Research checked 2026-11-09
0.005 USDC per call per call

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