MCP servers

14,829 servers, 187,529 tools, read from the official MCP Registry, labelled by what each tool can do.

List Cards

io.github.lonniev/tollbooth-oauth2-collectorlonniev · 4 tools · remoteUnauthenticated OAuth2 callback collector for Tollbooth MCP servicesTools: 0 delete, 0 irreversible, 1 write, 3 read.Writes · 1Reads · 3
io.github.physics-star-cat/databutler-us-ratesphysics-star-cat · 1 tool · remoteUS federal 2026 tax brackets, standard deductions, payroll and retirement limits, sourced.Tools: 0 delete, 0 irreversible, 0 write, 1 read.Reads · 1
io.github.physics-star-cat/databutler-vehiclesphysics-star-cat · 9 tools · remoteUK MOT failure data and official UK, French, Japanese and EU vehicle recalls.Tools: 0 delete, 0 irreversible, 6 write, 3 read.Writes · 6Reads · 3
io.github.jdhart81/disclosure-compilerjdhart81 · 5 tools · remoteDeterministic cited disclosure drafts with verified GHG lineage and audit hashes.Tools: 0 delete, 0 irreversible, 2 write, 3 read.Writes · 2Reads · 3
io.github.jdhart81/agent-verified-relayjdhart81 · 7 tools · remoteViridis Verified: wrap any MCP server with tamper-evident delivery receipts + metered fees.Tools: 0 delete, 0 irreversible, 4 write, 3 read.Writes · 4Reads · 3
io.github.lazymac2x/ai-prompt-optimizerlazymac2x · 5 tools · remoteCloudflare Workers MCP server: ai-prompt-optimizerTools: 0 delete, 0 irreversible, 3 write, 2 read.Writes · 3Reads · 2
io.github.lazymac2x/ai-provider-statuslazymac2x · 3 tools · remoteCloudflare Workers MCP server: ai-provider-statusTools: 0 delete, 0 irreversible, 0 write, 3 read.Reads · 3
io.github.robertoyanguas-ops/agentdietrobertoyanguas-ops · 4 tools · remoteStrips 85-97% of HTML bloat into clean Markdown, <200-token skeletons, or BM25 excerpts via MCP.Tools: 0 delete, 0 irreversible, 2 write, 2 read.Writes · 2Reads · 2
io.github.f-tiger/us-import-duty-factsf-tiger · 8 tools · remoteDated US import facts: CBP rulings, Section 301 ladder, landed cost, rule changes, recalls.Tools: 0 delete, 0 irreversible, 7 write, 1 read.Writes · 7Reads · 1
io.github.lazymac2x/ai-model-routerlazymac2x · 3 tools · remoteCloudflare Workers MCP server: ai-model-routerTools: 0 delete, 0 irreversible, 1 write, 2 read.Writes · 1Reads · 2
io.github.lazymac2x/ai-guardrailslazymac2x · 5 tools · remoteCloudflare Workers MCP server: ai-guardrailsTools: 0 delete, 0 irreversible, 5 write, 0 read.Writes · 5
io.github.theluckystrike/cataloguetheluckystrike · 12 tools · remoteA price list and rate card the quotes and invoice servers read by SKU.Tools: 1 delete, 0 irreversible, 5 write, 6 read.Deletes · 1Writes · 5Reads · 6
io.github.theluckystrike/categorize-transactionstheluckystrike · 15 tools · remoteImport a bank CSV, categorise it, summarise it per currency and reconcile it against your expenses.Tools: 1 delete, 4 irreversible, 5 write, 5 read.Deletes · 1Irreversible · 4Writes · 5Reads · 5
io.github.physics-star-cat/databutler-uk-ratesphysics-star-cat · 1 tool · remoteCurrent UK tax-year rates and thresholds, verified against gov.uk with source URLs and dates.Tools: 0 delete, 0 irreversible, 0 write, 1 read.Reads · 1
io.github.physics-star-cat/databutler-uk-vehicle-rulesphysics-star-cat · 1 tool · remoteUK vehicle tax (VED) bands, expensive-car supplement, EV rules and MOT fees, sourced.Tools: 0 delete, 0 irreversible, 0 write, 1 read.Reads · 1
io.github.jdhart81/agent-suretyjdhart81 · 10 tools · remoteCounterparty risk transfer for the agent economy: agents post bonds behind their promises, wronged cTools: 0 delete, 0 irreversible, 6 write, 4 read.Writes · 6Reads · 4
io.github.jdhart81/agent-trust-oraclejdhart81 · 6 tools · remoteDecay-weighted reputation + tamper-evident trust attestations for the agent economy.Tools: 0 delete, 0 irreversible, 4 write, 2 read.Writes · 4Reads · 2
io.github.ryuamarines/url-normalizerryuamarines · 1 tool · remoteNormalizes and deduplicates a list of URLs. x402 payment required (testnet USDC, Base Sepolia).Tools: 0 delete, 0 irreversible, 1 write, 0 read.Writes · 1
io.github.f-tiger/agiscorecard-web3-workbenchf-tiger · 12 tools · remoteAGI Scorecard Web3 Workbench: ten free deterministic review tools (stablecoin, gas, zkML, agents).Tools: 0 delete, 1 irreversible, 6 write, 5 read.Irreversible · 1Writes · 6Reads · 5
io.github.theluckystrike/cash-booktheluckystrike · 9 tools · remoteOne double-entry ledger derived from your invoices, bank, expenses, deposits and assets.Tools: 1 delete, 3 irreversible, 3 write, 2 read.Deletes · 1Irreversible · 3Writes · 3Reads · 2
io.github.theluckystrike/calendar-ics-reader-events-freebusy-conflictstheluckystrike · 12 tools · remoteRead the .ics your calendar exports: events in a window, free-busy, double bookings, export.Tools: 1 delete, 2 irreversible, 5 write, 4 read.Deletes · 1Irreversible · 2Writes · 5Reads · 4
io.github.physics-star-cat/databutler-uk-gov-processphysics-star-cat · 1 tool · remoteUK government service fees, steps, processing times and recent changes, read from gov.uk.Tools: 0 delete, 0 irreversible, 1 write, 0 read.Writes · 1
io.github.physics-star-cat/databutler-uk-examsphysics-star-cat · 3 tools · remoteUK exam-board spec data: which paper is a topic on, spec structures, past-paper links. Verified.Tools: 0 delete, 0 irreversible, 2 write, 1 read.Writes · 2Reads · 1
io.github.lazymac2x/ai-evallazymac2x · 3 tools · remoteCloudflare Workers MCP server: ai-evalTools: 0 delete, 0 irreversible, 1 write, 2 read.Writes · 1Reads · 2
io.github.jdhart81/agent-offset-clearinghousejdhart81 · 19 tools · remoteVerified conservation credits matched to agent compute emissions — the conservation flywheel of theTools: 0 delete, 2 irreversible, 12 write, 5 read.Irreversible · 2Writes · 12Reads · 5
io.github.jdhart81/agent-provenancejdhart81 · 11 tools · remoteGenesis certificates, lineage, and cascading recalls: birth certificates + bloodlines for the agentTools: 0 delete, 0 irreversible, 6 write, 5 read.Writes · 6Reads · 5
io.github.f-tiger/agiscorecard-web3-routef-tiger · 3 tools · remotePlan LLM fallback sequences from supplied cost, quality and latency assumptions; no live execution.Tools: 0 delete, 0 irreversible, 1 write, 2 read.Writes · 1Reads · 2
io.github.ryuamarines/text-slugifierryuamarines · 1 tool · remoteConverts text titles into URL-safe slugs and flags duplicates. x402 payment required (testnet USDC).Tools: 0 delete, 0 irreversible, 1 write, 0 read.Writes · 1
io.github.ryuamarines/robots-txt-checkerryuamarines · 1 tool · remoteChecks if a URL path is allowed by robots.txt. x402 payment required (testnet USDC).Tools: 0 delete, 0 irreversible, 1 write, 0 read.Writes · 1
io.github.theluckystrike/business-expensestheluckystrike · 14 tools · remoteLog expenses, receipts and mileage from chat: auto-categorise, split VAT, summarise, export, rebill.Tools: 1 delete, 5 irreversible, 6 write, 2 read.Deletes · 1Irreversible · 5Writes · 6Reads · 2
io.github.theluckystrike/budget-trackertheluckystrike · 14 tools · remoteTrack budgets from your AI chat: envelopes, monthly limits, variance reports. All data is local.Tools: 1 delete, 5 irreversible, 6 write, 2 read.Deletes · 1Irreversible · 5Writes · 6Reads · 2
io.github.physics-star-cat/databutler-taxphysics-star-cat · 1 tool · remoteTake-home pay after tax and social contributions for nine countries, with tax year.Tools: 0 delete, 1 irreversible, 0 write, 0 read.Irreversible · 1
io.github.physics-star-cat/databutler-uk-exam-datesphysics-star-cat · 1 tool · remoteUK GCSE and A-level exam dates, results days, entry deadlines and spec changes.Tools: 0 delete, 0 irreversible, 1 write, 0 read.Writes · 1
io.github.jdhart81/agent-notaryjdhart81 · 8 tools · remoteVerifiable delivery for the agent economy: commit-reveal content notarization. Sellers commit to a dTools: 0 delete, 0 irreversible, 4 write, 4 read.Writes · 4Reads · 4
io.github.jdhart81/agent-meteringjdhart81 · 11 tools · remoteUsage metering + SLA accounting for agent services (the meter behind x402 micropayments).Tools: 0 delete, 0 irreversible, 8 write, 3 read.Writes · 8Reads · 3
io.github.lazymac2x/ai-cost-optimizerlazymac2x · 5 tools · remoteCloudflare Workers MCP server: ai-cost-optimizerTools: 0 delete, 0 irreversible, 4 write, 1 read.Writes · 4Reads · 1
io.github.f-tiger/agiscorecard-web3-protocolf-tiger · 3 tools · remoteRead dated x402, ERC-8004 and token-interface profiles with official sources and freshness limits.Tools: 0 delete, 0 irreversible, 0 write, 3 read.Reads · 3
io.github.f-tiger/agiscorecard-web3-reconcilef-tiger · 3 tools · remoteReconcile declared stablecoin invoices and transfers; flag partial, pending and mismatched payments.Tools: 0 delete, 0 irreversible, 1 write, 2 read.Writes · 1Reads · 2
io.github.ryuamarines/json-schema-validatorryuamarines · 1 tool · remoteValidates JSON against a JSON Schema, lists violations. x402 payment required (testnet USDC).Tools: 0 delete, 0 irreversible, 0 write, 1 read.Reads · 1
io.github.ryuamarines/email-validatorryuamarines · 1 tool · remoteValidates email syntax and MX records. x402 payment required (testnet USDC).Tools: 0 delete, 0 irreversible, 0 write, 1 read.Reads · 1