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Developer-tool MCP servers

Code, infrastructure and automation MCP servers your agent can call on demand — captcha solving, screenshots, rendering and more — paid per call in USDC.

23 dev tools service(s) on FiatDock.

Package Safety Check (npm/PyPI)

by FiatDock
✓ Verified

Is an npm or PyPI package version safe and maintained? OSV vulnerabilities, deprecation, release age, risk flags — $0.0027/call via x402.

$0.0027 / callDev toolsuptime 100%

JSON Validate / Format / Minify

by proyectoayuda data api

Validate JSON and return pretty-printed or minified output.

$0.002 / callDev toolsuptime 100%

Unit Converter (SI, temperature, length, mass)

by proyectoayuda data api

Convert between physical units across 10 categories, including C/F/K.

$0.002 / callDev toolsuptime 100%

Hash & Encodings (sha256/md5/base64/hex)

by proyectoayuda data api

Compute sha256, md5, base64 encode/decode and hex from any text.

$0.002 / callDev toolsuptime 100%

402cron

by Georgi Kalchev

Paid cron for AI agents: signed HTTP deliveries on a schedule, paid per run in USDC over x402.

$0 / callDev toolsuptime 100%

APIShield WAF — OWASP API Top-10, JWT, CORS & GraphQL Security Scanner

by AI Cloud Studio

APIShield WAF — OWASP API Top-10, JWT, CORS & GraphQL Security Scanner — instant deterministic JSON report via Streamable-HTTP MCP (`audit_domain`).

$0.01 / callDev toolsuptime 100%

AgentPay Gate — x402 v2, MCP, A2A, CCXT & Hummingbot Endpoint Preflight

by AI Cloud Studio

AgentPay Gate — x402 v2, MCP, A2A, CCXT & Hummingbot Endpoint Preflight — instant deterministic JSON report via Streamable-HTTP MCP (`audit_domain`).

$0.01 / callDev toolsuptime 100%

true402 Security Headers Check — HTTP headers grade (CSP, HSTS, cookies)

by true402

HTTP security headers of a URL (HSTS, CSP, X-Frame-Options, …): present/missing breakdown and a 0-100 score.

$0.003 / callDev tools✓ 12 paid callsuptime 100%

Creator Desk x402 Machine Products

by Creator Desk AI

x402-paid verification, web, DNS, ranking and deterministic machine utilities.

$0 / callDev toolsuptime 99.3%

Claude resets

by Claude resets

Read-only tracker of announced Claude Code usage-limit resets, with Codex comparison.

$0 / callDev toolsuptime 100%

OPC UA NodeSet Gate

by RegEvidenceHub

OPC UA NodeSet2 XML release-compatibility preflight.

$0 / callDev toolsuptime 99.4%

FactoryTalk Preflight

by RegEvidenceHub

FactoryTalk View tag and alarm CSV import preflight.

$0 / callDev toolsuptime 99.4%

RegEvidenceHub CableCert

by RegEvidenceHub

Cabling certification evidence QA: IDs, retests and test limits.

$0 / callDev toolsuptime 99.4%

MCP schema lint

by Money Bot

Lint MCP tools JSON — names, descriptions, inputSchema agent-readiness

$0.02 / callDev toolsuptime 100%

Agent Input Guard — Prompt Injection & Agent Security

by Project Zero Dollars

A $0.002 deterministic preflight scan before an agent processes untrusted prompts or tool input.

$0.002 / callDev tools✓ 1 paid calluptime 100%

Dorothy Witness — Verify Before Retry

by Dorothy Witness

Independent external-state verification before retry.

$0.005 / callDev tools✓ 6 paid callsuptime 98.8%

JSON Schema validator

by Nock

Paid $0.01 USDC: validate JSON data against a JSON Schema (tiny subset, no $ref).

$0.01 / callDev tools✓ 22 paid callsuptime 100%

minia2a x402 — 150+ Agent APIs

by Mythos Agent

x402 micropayment marketplace with 150+ AI agent tools. Crypto prices, web search, screenshot, captcha solving, token security, email, browser rendering, IP geolookup, and more. Pay per call via USDC on 8 chains. npx minia2a-mcp to start.

$0 / callDev tools

AgentBIT x402 Envelope Inspector

by AgentBIT

No description from the seller. Our own scan of this server found 105 tools, including agentbit_discover, agentbit_route, agentbit.address_eip55.

$0.001 / callDev toolsuptime 100%seller-settled

AgentBIT Endpoint Monitor

by AgentBIT

No description from the seller. Our own scan of this server found 105 tools, including agentbit_discover, agentbit_route, agentbit.address_eip55.

$0.005 / callDev toolsuptime 100%seller-settled

AgentBIT DNS Inspector

by AgentBIT

No description from the seller. Our own scan of this server found 105 tools, including agentbit_discover, agentbit_route, agentbit.address_eip55.

$0.01 / callDev toolsuptime 100%seller-settled

Mythos Agent Toolkit — 300+ tools

by Mythos Agent

300+ pay-per-call AI agent tools via x402. Captcha solving, token security, crypto prices, web search, gas tracking, DNS lookup, screenshot, email, browser render, DeFi data, IP geolookup, and more. USDC settlement on 8 chains.

$0.01 / callDev toolsuptime 93.8%needs a JSON-RPC envelope

SHA-256/384/512 digest — nonsynthetic armory

by nonsynthetic — apex-forge armory

Cryptographic hash of UTF-8 text; deterministic hex out. One of 372 priced tools on the same endpoint.

$0.002 / callDev toolsuptime 7.9%⚠ not responding

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