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Code & developer tools
3,035 listings from 2,383 providers, 1,462 answering · counted
Filed by addrbook from the words in each listing, so a heading says what a listing claims to be for.
Showing 176–200, one row per provider, those answering first · names and descriptions as their source publishes them
- Crypto & Web Data API for Agentsapi.agent-data.workers.devENS resolution: name.eth -> address, or address -> verified primary name, plus avatar, url, X/Twitter, GitHub and other profile records.Livechecked Evidence 1/4x402x402 Bazaar1 payer
- nightshift-x402.nightshift-labs.workers.dev/v1/ens/resolvenightshift-x402.nightshift-labs.workers.devResolve ENS and Basenames (name.eth, name.base.eth): name → address, or address → primary name with forward verification, plus text records (avatar, description, url, twitter, github, email).Livechecked Evidence 1/4x402x402 Bazaar1 payer
- Explain Codeapi.24klabs.aiClear explanation of what code does, how it works, and why.Livechecked Evidence 1/4x402x402 Bazaar1 payer
- Synap by Linkrrasynap402.comSynap by Linkrra - code review: send a unified diff or source code, get a summary and a JSON list of issues (severity, file, line, message, suggestion) - bugs, security, edge cases, no style nits. Invalid model output = no charge. Open models on dedicated GPUs. Pay per call in USDC on any network in the payment challenge; no account, no API key.Livechecked Evidence 1/4x402x402 Bazaar1 payer
- tetheredtrust.com/v1/paid/launchtetheredtrust.comIs this MCP server findable by agents? Checks it works, then looks it up in the official MCP Registry (and whether the listed version is current), Glama, PulseMCP, the x402 Bazaar, npm and PyPI, plus its server card, llms.txt and robots.txt. Score, ordered fix plan and a ready-to-publish server.json. $0.25 per call. Not charged for errors or "need more detail" answers.Livechecked Evidence 1/4x402x402 Bazaar1 payer1 more from tetheredtrust.com
- Base Codewww.x402financialdata.comContract-or-wallet check for a Base address, with deployed code size and a code prefix -- one eth_getCode call. $0.005/call.Livechecked Evidence 1/4x402x402 Bazaar1 payer1 more from x402financialdata.com
- Maxwell x402api.maxwellinternational.ainpm package card from the official registry: latest or a given version, description, license, maintainers, keywords, repository, dependencies count and publish dates. Required: name; optional: version. Cached.Livechecked Evidence 1/4x402x402 Bazaar1 payer
- India IFSC Code Lookupagentstall.padawanconsulting.comIFSC code lookup for Indian bank branches: returns the bank, branch name, address, city, district, state, MICR code, SWIFT code where available, and whether the branch supports NEFT, RTGS, IMPS and UPI. Covers all banks in India including SBI, HDFC Bank, ICICI Bank, Axis Bank and co-operative banks, from the open Razorpay IFSC dataset built on RBI and NPCI lists. Useful for validating Indian bank transfer details before a payout.Livechecked Evidence 1/4x402x402 Bazaar1 payer
- forge-tools.dentreprise.workers.dev/api/mcp-manifest-lintforge-tools.dentreprise.workers.devMCP manifest linter: validates an MCP registry server.json (official schema 2025-12-11: reverse-DNS name, 100-char description, pinned versions, packages registryType/transport, remotes, env vars, isSecret, fileSha256, additionalProperties) or a host config (mcpServers/servers: command vs url, args, env, hard-coded secrets). Inline JSON or URL.Livechecked Evidence 1/4x402x402 Bazaar1 payer2 more from dentreprise.workers.dev
- GEDX402 LLMllm.gedx402.comA chat reply from QWEN2.5 Coder 32B Instruct. Routes to Qwen2.5 Coder on the LLM shard; POST messages[] for programming and agentic coding tasks.Livechecked Evidence 1/4x402x402 Bazaar1 payer
- graphrag-tspay.ashesborn.cloudKnown vulnerabilities for up to 100 package@version entries in one call (npm, PyPI, Go, crates.io, Maven, NuGet, RubyGems, Packagist). Per package: affected yes or no, advisory IDs with CVE aliases, severity, fixed versions, source URL. OSV data; no advisory is not a statement of safety. $0.10.Livechecked Evidence 1/4x402x402 Bazaar1 payer1 more from ashesborn.cloud
- dev-5090 uncensored inferencedev-5090-box.tailfb4c1f.ts.netStructured code review: correctness, security, edge cases, reuse. Returns numbered findings.Livechecked Evidence 1/4x402x402 Bazaar1 payer1 more from tailfb4c1f.ts.net
- Spread Paywall APIworkspace-x402-paywall.onrender.comReturns a JSON object: surface-level smart-contract linter: flags dangerous Solidity/Rust patterns (selfdestruct, delegatecall, tx.origin, unsafe blocks, missing signer checks)Livechecked Evidence 1/4x402x402 Bazaar1 payer
- readiness-linter.krimskrams.xyzreadiness-linter-krimskrams-xyzLivechecked Evidence 1/4x402Agentic.Market
- Tolcatolca.tonbot.canpm dependency risk and PyPI package safety check: is this package safe to install? One call, one verdict: safe / caution / avoid, with a score, concrete reasons (known vulnerabilities from OSV, deprecation, abandonment, adoption, install scripts, typosquat signals) and a one-line recommendation. Input: name, ecosystem (npm | PyPI), optional version.Livechecked Contradictedx402x402 Bazaar5 payers
- P0 Agent Economy Indexx402-bazaar-rank.x402-bazaar-rank-worker.workers.devUse for debugging an x402 client: pay $0.001 in USDC (or USDT0 on Arbitrum) on any network in accepts and get back what the server received: the decoded payment payload (scheme, network, authorization fields, signature), checks of amount, payTo, asset and validity window against this route's requirement, and the facilitator's settlement result. Only the payment header is echoed, never other headers.Livechecked Contradictedx402x402 Bazaar5 payers
- AI Code Reviewmoney-reactor.makar52nn2016.workers.devAI code review via Llama/Qwen (?code=...&lang=js or POST {code,lang}): bugs, security issues, style notes and a one-paragraph verdict — premium tier for agents shipping production codeLivechecked Contradictedx402x402 Bazaar5 payers2 more from makar52nn2016.workers.dev
- turboshop.ai/api/v1/products/prod-pydantic-zod-schema-generator/buyturboshop.aiAutomated TypeScript/Zod, Python Pydantic v2, and JSON Schema (Draft 2020-12) code generator microservice. Converts raw JSON payloads, API responses, or JSON Schemas into strict, ready-to-use Zod schemas, TypeScript interfaces, and Pydantic BaseModel classes with automatic format detection (UUID, ISO-8601 datetime, email, URL, EVM address) and nested object extraction.Livechecked Contradictedx402x402 Bazaar1 payer
- Rooms by Aurmadarooms.aurmada.comUse it when an agent says it is on Rooms by Aurmada, before you work with it, pay it or share data. Look it up by @handle or agent id: its public profile, owner claims (claimed by a signed-in person, X or GitHub verification) with how each was proven, and an Ed25519-signed receipt you can check against /x402/v1/receipt-key. Never charged for errors: we settle the payment only after a successful answer.Livechecked Contradictedx402x402 Bazaar1 payer
- Webacy Risk Score APIapi.webacy.comRisk analysis for a smart contract: verified-source status, static analysis, asset-type resolution, and (optionally) deployer risk.Livechecked Contradictedx402x402 Bazaar1 payer
- mcp-x402.onrender.com/x402/package-velocitymcp-x402.onrender.comReal last-week/last-month (npm) or last-day/week/month (PyPI) download counts for any real package name. Pay 0.001 USDC on Base using the fresh PAYMENT-REQUIRED challenge and caller-authorized PAYMENT-SIGNATURE.Livechecked Contradictedx402x402 Bazaar1 payer
- NPM package info APIgolf-evm-math.x402-evm-math.workers.devNPM package info API: package registry lookup for npm, PyPI and Cargo with latest version, age, license, deprecation, weekly downloads and OSV vulnerabilities. Dependency check before install.Degradedchecked Evidence 1/4x402x402 Bazaar9 payers1 more from x402-evm-math.workers.dev
- Package Registry Infoconclavex402p04.pythonanywhere.comCall before adding or upgrading a dependency: package-registry metadata for one package (PyPI or npm): latest version, summary, license, dependency count; PyPI also returns 30-day downloads.Degradedchecked Evidence 1/4x402x402 Bazaar1 payer
- Package Registry Infoconclavex402.pythonanywhere.comCall before adding or upgrading a dependency: package-registry metadata for one package (PyPI or npm): latest version, summary, license, dependency count; PyPI also returns 30-day downloads.Degradedchecked Evidence 1/4x402x402 Bazaar1 payer
- sovereign-x402-zeta.vercel.app/api/v1/code/execsovereign-x402-zeta.vercel.appExecute Python code in a real, isolated E2B cloud sandbox (not a subprocess) and return stdout/stderr/results.Unreachablechecked Evidence 1/4x402x402 Bazaar1 payer1 more from sovereign-x402-zeta.vercel.app