MARKET MONITOR / CATALOGUE Services 147,826 MCP listed 42,510 x402 105,432 Rails Base / Solana / Polygon / Arbitrum Imported 2026-11-06 · 3 sources
Task

Research

569 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.

Permission delta x402 REST

Compares an old and a new manifest and reports every way the new one gains privilege, for agents reviewing dependency bumps and extension or app updates. npm package.json: new or changed install-time lifecycle scripts, g...

agents.writerslogic.com Search & Research checked 2026-11-06
0.005 USDC per call per call

Lockfile merge x402 REST

Takes a lockfile (package-lock.json or a YAML lockfile such as pnpm-lock.yaml) containing git merge-conflict markers, rebuilds both sides, and merges them key by key (using the diff3 base when present), returning the res...

agents.writerslogic.com Search & Research checked 2026-11-06
0.005 USDC per call per call

Checksum x402 REST

Validates the format and check digit of up to 100 identifiers per call, for an agent about to put an IBAN, ISBN, GTIN/EAN/UPC, container number, VIN, ISIN, CUSIP, SEDOL, LEI, IMO number, BIC or Luhn number into a payment...

agents.writerslogic.com Search & Research checked 2026-11-06
0.005 USDC per call per call

Dockerfile cache lint x402 REST

Parses a Dockerfile (continuations, escape directive, heredocs, flags, stages) and reports instruction orderings that defeat the layer cache or make rebuilds drift, for agents writing or reviewing container builds. Cache...

agents.writerslogic.com Infrastructure checked 2026-11-06
0.005 USDC per call per call

Float stability x402 REST

Evaluates a real-valued expression in binary64 (or binary32) on a deterministic grid over the caller's variable ranges and compares each point with a certified arbitrary-precision reference, reporting the decimal digits...

agents.writerslogic.com Search & Research checked 2026-11-06
0.005 USDC per call per call

Calldata decode x402 REST

Decodes hex calldata (selector plus arguments), function return data, revert data or an event log against a caller-supplied ABI using ethers, for agents inspecting a transaction before signing or after it fails. Handles...

agents.writerslogic.com Search & Research checked 2026-11-06
0.005 USDC per call per call

Gtin hierarchy x402 REST

Takes up to 100 GTINs and, for an agent reconciling a product feed or order lines, validates each check digit, converts it to the 14-digit form, reads the indicator digit and GS1 Prefix (restricted-circulation, ISBN/ISSN...

agents.writerslogic.com Search & Research checked 2026-11-06
0.005 USDC per call per call

Vin decode x402 REST

Decodes up to 50 VINs per call for an agent handling a vehicle listing, claim or order: validates the 17 characters and letters I/O/Q, the position-9 check digit (49 CFR 565.15), the world manufacturer identifier from a...

agents.writerslogic.com Search & Research checked 2026-11-06
0.005 USDC per call per call

Platform text fit x402 REST

Checks up to 50 texts per call against a platform limit, for an agent writing a message, post, store listing, ad or push payload that must not be truncated or split. sms: GSM 7 bit vs UCS-2 and the exact segment boundari...

agents.writerslogic.com Search & Research checked 2026-11-06
0.005 USDC per call per call

Tax id format x402 REST

Checks the structure and check digit of up to 100 EU VAT numbers per call (Austria, Belgium, Germany, Denmark, Finland), for an agent about to put a supplier or customer VAT number on an invoice or into a record. Every o...

agents.writerslogic.com Search & Research checked 2026-11-06
0.005 USDC per call per call

Timecode convert x402 REST

Converts up to 200 timecodes, frame counts or times between SMPTE HH:MM:SS:FF (non-drop), HH:MM:SS;FF (drop-frame, 29.97 and 59.94), frame numbers and exact rational seconds, for an agent editing video, captions or logs...

agents.writerslogic.com Search & Research checked 2026-11-06
0.005 USDC per call per call

Subtitle lint x402 REST

Parses an SRT or WebVTT file (up to 400000 characters, 4000 cues) and checks every cue for an agent about to deliver or burn in captions: end after start, overlaps and out-of-order cues, minimum gap, minimum and maximum...

agents.writerslogic.com Search & Research checked 2026-11-06
0.005 USDC per call per call

Pronunciation apply x402 REST

Applies your pronunciation lexicon (up to 200 terms, each an IPA string or a spoken alias) to a text of up to 20000 characters and returns SSML 1.1 with <phoneme alphabet="ipa"> or <sub alias> around each whole-word matc...

agents.writerslogic.com Search & Research checked 2026-11-06
0.005 USDC per call per call

Speech normalize x402 REST

Rewrites digits in up to 20000 characters of text into spoken words for a TTS engine, for locales en-US and en-GB: cardinals, ordinals, years (with a preceding cue such as "in" or a month) and decades, decimals, percenta...

agents.writerslogic.com Search & Research checked 2026-11-06
0.005 USDC per call per call

Font coverage x402 REST

Reads a TrueType or OpenType font you supply as base64 (up to 2 MB) and a text of up to 5000 characters, for an agent about to render text in a fixed font: lists every code point with no glyph in the cmap (formats 4 and...

agents.writerslogic.com Search & Research checked 2026-11-06
0.005 USDC per call per call

Open badges verifier x402 REST

Verifies an Open Badges credential end to end and says what could and could not be confirmed. Accepts an Open Badges 3.0 credential (JSON with an eddsa-jcs-2022 proof, or a VC-JWT signed with EdDSA, ES256 or RS256), an O...

agents.writerslogic.com Search & Research checked 2026-11-06
0.05 USDC per call per call

Redact text x402 REST

Redacts personal data from text at the level you choose and proves the output is clean by scanning it again. Pick a level: 1 government identifiers (SSN, ITIN, EIN, UK NINO, Canadian SIN, driver's license, passport), 2 a...

agents.writerslogic.com Crypto & Payments checked 2026-11-06
0.05 USDC per call per call

Unicode check x402 REST

Checks up to 100 strings in one call against the 19 deterministic rules of unicode-safety-check: bidi controls (Trojan Source), invisible and zero-width characters, tag-character and variation-selector payloads, homoglyp...

agents.writerslogic.com Search & Research checked 2026-11-06
0.005 USDC per call per call

Mcp tool pin x402 REST

Send an MCP server's tools/list result (up to 200 tools) and, after the first call, the hashes you approved. Returns a reproducible manifest hash, a per-tool hash, which tools were added, removed or changed since approva...

agents.writerslogic.com Search & Research checked 2026-11-06
0.005 USDC per call per call

Doi check x402 REST

Checks up to 20 DOIs in one call against Crossref (including its Retraction Watch notices), OpenAlex and the doi.org Handle registry. Per DOI: FOUND with title and year, RETRACTED, EXPRESSION_OF_CONCERN, CORRECTED, REGIS...

agents.writerslogic.com Search & Research checked 2026-11-06
0.005 USDC per call per call

Hash receipt x402 REST

Timestamped, signed receipt for up to 256 SHA-256 hashes in one call: an RFC 9162 Merkle root, a per-hash inclusion proof, and the hub's W3C VC + EIP-191 signatures over both. For agents that need third-party evidence of...

agents.writerslogic.com Search & Research checked 2026-11-06
0.005 USDC per call per call

K8s crosscheck x402 REST

Parses up to 20 Kubernetes YAML manifests and checks that they agree with each other, for an agent that generated or edited manifests before kubectl apply: Service selectors against pod template labels (with the nearest...

agents.writerslogic.com Search & Research checked 2026-11-06
0.005 USDC per call per call

Iam minimize x402 REST

Takes an AWS IAM policy JSON and the exact list of actions a task needs (up to 300), and returns the policy with each Allow statement's Action narrowed to just those actions, plus what the original over-grants: wildcards...

agents.writerslogic.com Infrastructure checked 2026-11-06
0.005 USDC per call per call

Shell quote x402 REST

Turns up to 50 literal strings into a safely quoted argument for bash/sh (POSIX single-quote method), PowerShell (single-quoted literal) and cmd.exe, for agents that build a command line from untrusted or free-form text,...

agents.writerslogic.com Search & Research checked 2026-11-06
0.005 USDC per call per call

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