Repository, build, lint, test and code-understanding services that an agent can call while working in a codebase.
CSV to JSON Rows: Every Cell Stays Text — Converts CSV into a JSON array with one object per row, keyed by the header, and answers with the JSON only, no code fence. Every value stays a string exactly as the cell reads,...
Fixed-Width to CSV: Cut by Spec, Trim Only When Told — Converts fixed-width text (mainframe exports, bank and statistics files, printed reports) into RFC 4180 CSV from a column specification and answers with the CSV only...
Markdown TOC Anchors: Contents Links That Really Jump — Builds the table of contents of a Markdown document with the exact heading anchors that GitHub or GitLab generate, and answers with the list only, no code fence. Fi...
Tests from Spec: Cases from the Requirements — Writes test cases for a function from its specification rather than from its code, as a JSON table that any test runner can loop over. Every rule, boundary and error the spe...
API Breaking Change Check for OpenAPI — Compares two versions of one API description (OpenAPI 3.0 or 3.1 in YAML or JSON, or two JSON Schemas of one request or response) and lists ONLY the changes that break clients writ...
Computes the 4-byte selector for a function signature (e.g. transfer(address,uint256) → 0xa9059cbb). The inverse of the decoder — useful for agents building or matching calldata.
Status of every Bitcoin Improvement Proposal as JSON: number, layer (consensus soft fork, peer services, applications), title, type and status (Draft, Complete, Deployed, Closed...), with links. Parsed live from the bitc...
A styled QR code (module shapes, corner markers, a logo or a halftone photo) for any text, no account needed
Rank up to 5 alternative npm packages and get a recommendation with the gap quantified: full disclosed-rubric health report per package, close calls flagged as close calls. The 'axios vs got vs undici' decision in one ca...
Verify a UK company by its Companies House number (e.g. 00445790) or by name against the official UK register (Companies House). Returns the company profile: registered name, company status (active/dissolved/liquidation/...
EU public procurement tender notices from the official TED (Tenders Electronic Daily) v3 API, filtered by CPV product/service code, country of performance and free-text keywords over a recent publication window; returns...
Parse and validate any phone number worldwide using libphonenumber. Returns is_valid, e164 (canonical international format e.g. '+4917612345678'), national_format, country_code (ISO alpha-2), and line_type (MOBILE/FIXED_...
Fetch the verified Solidity source files and compiler metadata for a contract address from an open verified-contract repository. Covers 8 EVM mainnets (ethereum, base, polygon, arbitrum, optimism, bsc, gnosis, celo). Con...
Explain a cron expression (5 fields, names like mon-fri, or @daily) in plain English and list its next run times in any UTC offset. Use to check schedules before deploying jobs.
Check exact quotes at declared code-point offsets and enumerate overlapping exact occurrences in supplied text (first 32 offsets, complete count). Unicode/case/whitespace are not normalized. A matching quote does not est...
Code snippets — Element count: Element count for Code snippets. One public HTTPS page or supplied HTML; static parsing, no JavaScript rendering, login or access bypass. Specialised preset in a shared 50-profile, 20-opera...
JWT decoder: decode a JSON Web Token without verifying it: returns the header, the claims, the signature length and algorithm, and a computed view of the time claims — whether exp has passed, whether nbf is in the future...
IBAN generator: construct an IBAN from a country code and the domestic account parts, computing the ISO 7064 mod-97-10 check digits. Takes a single BBAN string or named parts (bank code, branch code, account number); dig...
Airport lookup by IATA or ICAO code: get the airport's name, city, country, ISO 3166-2 region code, WGS-84 coordinates, elevation and IANA time zone, or find the nearest airports to a coordinate within a radius. Covers e...
Country lookup: find a country or territory by ISO 3166-1 alpha-2, alpha-3 or numeric code, or by name, and get the other codes, the official and common English names, the UN M49 region and sub-region, the currencies in...
Unicode normalization and confusables check: apply NFC, NFD, NFKC or NFKD, report which forms a string is already in, list the scripts present (all Unicode scripts), and flag confusable and homoglyph characters — Cyrilli...
Code review — Numeric distribution + Secondary-measure weighted mean: Numeric distribution + Secondary-measure weighted mean for supplied code review records (pull_requests, review_hours). Up to 200 rows; 2 independent r...
Validate Better Code Hub: Validate a JSON document for Better Code Hub. Uses a pinned SchemaStore definition on this PC. Reports JSON pointers and rule violations. Up to 100 KB per document; no YAML/TOML parsing or deplo...
Deployment imports — Valid row export: Valid row export for Deployment imports. Validate a declared CSV table contract, up to 1000 rows. Quoted cells supported; no external enrichment. Specialised preset in a shared 50-p...